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Water is the most abundant nutrient in our body and plays an important transmission function in every body cell and tissue. Sixty percent of our body weight is water. The fact that you can live without food for a long period of time, even months, but live only for a few days without water is true. Under normal conditions, the body releases about one quart of water daily. Therefore, replacement to equal the losses is very important for survival.

Dehydration is the most common problem of water imbalance due to water losses and deprivation. The effects of dehydration on nutrition can adversely affect ones health. Dehydration is the major cause of ones diminished ability to perform during endurance activities. Body water is lost through the stomach, respiration, sweat, and the kidneys. It is recomended that 24oz of water a day should be taken. This amount can double or even triple with endurance type exercise.



A note about water: More and more evidence shows the benifit of being well hydrated.

Studies show that 75% of Americans are chronically dehydrated (likely applies to half the world's population), leading to possible health problems such as fatigue. In 37% of Americans, the thirst mechanism is so weak that it is often mistaken for hunger, leading to over-eating. Even MILD dehydration will slow down one's metabolism as much as 3%.



Bottled Water: Some types of bottled water are not subject to the same regulations as tap water. These are regulated as food products, and their regulations are largely related to sanitary food handling and processing practices. Bottled water manufacturers will provide a detailed report on the quality of their product to consumers who call to request it.

Whole-Wheat Flour - A coarse-textured flour ground from the entire wheat kernel. It contains the bran, germ and endosperm. The presence of bran reduces gluten development, so baked products made from whole-wheat flour tend to be heavier and denser than those made from white flour. In most recipes, whole-wheat flour can be mixed half-and-half with white flour.

Its status as a staple is second only to rice. One reason for its popularity is that-unlike other cereals-wheat contains a relatively high amount of GLUTEN, the protein that provides the elasticity necessary for excellent breadmaking. Though there are over 30,000 varieties of wheat, the three major types are hard wheat, soft wheat and durum wheat. Hard wheat is high in protein (10 to 14 percent) and yields a flour rich in gluten, making it particularly suitable for YEAST BREADS. The low-protein (6 to 10 percent) soft wheat yields a flour lower in gluten and therefore better suited for tender baked goods such as biscuits and cakes. Durum wheat, although high in gluten, is not good for baking. Instead, it's most often ground into SEMOLINA, the basis for excellent pasta.



Wheat is the most important cereal crop in the world and ubiquitous in our culture. Bread, pasta, bagels, crackers, cakes, muffins and other wheat containing products line our supermarket shelves and fill our grocery baskets. It is luck for us that this popular grain is available throughout the year.



Classes used in the United States are



Durum - Very hard, translucent, light colored grain used to make semolina flour for pasta.

Hard Red Spring - Hard, brownish, high protein wheat used for bread and hard baked goods.

Hard Red Winter - Hard, brownish, very high protein wheat used for bread, hard baked goods and as an adjunct in other flours to increase protein.

Soft Red Winter - Soft, brownish, medium protein wheat used for bread.

Hard White - Hard, light colored, opaque, chalky, medium protein wheat planted in dry, temperate areas. Used for bread and brewing

Soft White - Soft, light colored, very low protein wheat grown in temperate moist areas. Used for bread.

Hard wheats are harder to process and red wheats may need bleaching. Therefore, soft and white wheats usually command higher prices than hard and red wheats on the commodities market.



Wheat, in its natural unrefined state, features a host of important nutrients.



Therefore, to receive benefit from the wholesomeness of wheat it is important to choose wheat products made from whole wheat flour rather than those that are refined and stripped of their natural goodness.



The health benefits of wheat depend entirely on the form in which you eat it. These benefits will be few if you select wheat that has been processed into 60% extraction, bleached white flour. 60% extraction - the standard for most wheat products in the United States, including breads, noodles and pastas, baked goods like rolls or biscuits, and cookies - means that 40% of the original wheat grain was removed, and only 60% is left. Unfortunately, the 40% that gets removed includes the bran and the germ of the wheat grain - its most nutrient-rich parts. In the process of making 60% extraction flour, over half of the vitamin B1, B2, B3, E, folic acid, calcium, phosphorus, zinc, copper, iron, and fiber are lost.



Since 1941, laws in the United States have required "enrichment" of processed wheat flour with vitamins B1, B2, B3 and iron in response to the problems created by 60% extraction. Although not nearly as much of these B vitamins and iron are replaced as are removed from 60% extraction flour, "enriched" seems an odd word to describe this process. If you select 100% whole wheat products, however, the bran and the germ of the wheat will remain in your meals, and the health benefits will be impressive! Our food ranking qualified whole wheat (in its original non-enriched form) as a very good source of dietary fiber and manganese, and as a good source of magnesium.



Bran is made up of the outer layers of the wheat kernel. Bran is used in whole wheat flour. It is also used in breakfast cereals.



The germ is tiny - about 2 1/2% of the whole wheat kernel. The germ is the part that will sprout and grow into a new wheat plant if the kernel is planted. Wheat germ is sold in grocery stores and food markets. Whole wheat flour also contains wheat germ.

Ricotta is an Italian sheep milk or cow milk whey cheese.

Ricotta lit. 'recooked' uses the whey, a limpid, low-fat, nutritious liquid that is a by-product of cheese production.



Ricotta is produced from whey, the liquid separated out from the curds when cheese is made. Most of the milk protein (especially casein) is removed when cheese is made, but some protein remains in the whey, mostly albumin. This remaining protein can be harvested if the whey is first allowed to become more acidic by additional fermentation (by letting it sit for 12–24 hours at room temperature). Then the acidified whey is heated to near boiling. The combination of low pH and high temperature causes additional protein to precipitate out, forming a fine curd. Once cooled, the curd is separated by passing though a fine cloth.



After realizing that whey cannot be safely dumped in large concentrations as it creates an environmental nuisance,

Romano makers discovered that when the protein-rich substance is heated, whey protein particles fuse and create a curd. This curd, after drainage, is ricotta. Because ricotta is made from whey, rather than milk, it is a whey cheese, not technically a "cheese".



Ricotta is a fresh cheese (as opposed to ripened or aged), grainy and creamy white in appearance, slightly sweet in taste, and contains around 13% fat. In this form, it is somewhat similar in texture to some cottage cheese variants, though considerably lighter. Like many fresh cheeses, it is highly perishable. Ricotta comes in other forms as well, see variants below.



Traditional, creamery, whey cheese made from cow's milk. It is a basin-shaped cheese, pure white and wet but not sticky. Good Ricotta should be firm, not solid and consist of a mass of fine, moist, delicate grains, neither salted nor ripened. It is white, creamy and mild and is primarily used as an ingredient in lasagna. It is primarily made with cow's milk whey which is heated to 170 degrees F. Citric acid is added to encourage destabilization and separation and the temperature is quickly raised to 185 degrees F. Proteins from the whey separate rise and coagulate; the proteins (lactalbumin) are skimmed off and put in a wicker basket to drain for two days after which the "cheese" is ready for market. There are three distinct varieties of ricotta: ricotta salata moliterna (ewe's milk whey), ricotta piemontese (cow's milk whey + 10% milk) and ricotta romana (a byproduct of Romano cheese production).

Turkey is a large, widely domesticated North American bird with white plumage and a bare, wattled head and neck. The name turkey was originally applied to an African bird now known as the guinea fowl, which was believed to have originated in Turkey. When the Europeans came upon the American turkey, they thought it was the same bird as the African guinea fowl, and so gave it the name turkey, although the two species are quite distinct.



Turkey is low in fat and high in protein. It is an inexpensive source of iron, zinc, phosphorus, potassium and B vitamins.



Did you ever wonder why the breast and wings of chickens and turkeys have white meat while the legs and thighs are dark? The explanation is a physiological one involving the function of muscles, which gives some insight into humans as well as animals. The dark coloration is not due to the amount of blood in muscles but rather to a specific muscle type and it's ability to store oxygen.

Basic Egg Facts



Air Cell

The empty space between the white and shell at the large end of the egg.



When an egg is first laid, it is warm. As it cools, the contents contract and the inner shell membrane separates from the outer shell membrane to form the air cell.



The candler uses the size of the air cell as one basis for determining grade. In Grade AA eggs, the air cell may not exceed 1/8-inch in depth and is about the size of a dime. The air cell of Grade A eggs may exceed 3/16-inch in depth. For Grade B eggs, there is no limit on air cell size.



As the egg ages, moisture and carbon dioxide leave through the pores of the shell, air enters to replace them and the air cell becomes larger.



Although the air cell usually forms in the large end of the egg, it occasionally moves freely toward the uppermost point of the egg as the egg is rotated. It is then called a free or floating air cell. If the main air cell ruptures, resulting in one or more small separate air bubbles floating beneath the main air cell, it is known as a bubbly air cell.



You can see the air cell in the flattened end of a peeled, hard-cooked egg.

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Albumen

Also known as egg white. Albumen accounts for most of an egg's liquid weight, about 67%. It contains more than half the egg's total protein, niacin, riboflavin, chlorine, magnesium, potassium, sodium and sulfur. The albumen consists of 4 alternating layers of thick and thin consistencies. From the yolk outward, they are designated as the inner thick or chalaziferous white, the inner thin white, the outer thick white and the outer thin white. Egg white tends to thin out as an egg ages because its protein changes in character. That's why fresh eggs sit up tall and firm in the pan while older ones tend to spread out.



Albumen is more opalescent than truly white. The cloudy appearance comes from carbon dioxide. As the egg ages, carbon dioxide escapes, so the albumen of older eggs is more transparent than that of fresher eggs.



When egg albumen is beaten vigorously, it foams and increases in volume 6 to 8 times. Egg foams are essential for making souffles, meringues, puffy omelets, and angel food and sponge cakes.



The yolk or yellow portion makes up about 33% of the liquid weight of the egg. It contains all of the fat in the egg and a little less than half of the protein.



With the exception of riboflavin and niacin, the yolk contains a higher proportion of the egg's vitamins than the white. All of the egg's vitamins A, D and E are in the yolk. Egg yolks are one of the few foods naturally containing vitamin D.



The yolk also contains more phosphorus, manganese, iron, iodine, copper, and calcium than the white, and it contains all of the zinc. The yolk of a Large egg contains about 59 calories.



Double-yolked eggs are often produced by young hens whose egg production cycles are not yet completely synchronized. They're often produced, too, by hens who are old enough to produce Extra Large eggs. Genetics is a factor, also. Occasionally a hen will produce double-yolked eggs throughout her egg-laying career. It is rare, but not unusual, for a young hen to produce an egg with no yolk at all.

There are dry and fresh (or soft) bread crumbs, and the two should not be used interchangeably. Fresh crumbs are made by placing bread slices (trimmed of crusts or not) in a food processor or blender and processing until the desired size of crumb is reached. They can be stored, tightly sealed, in the refrigerator for a week or frozen for at least 6 months. Fresh bread crumbs give more texture to breaded dishes. Dry bread crumbs-either plain or flavored-can be purchased in any supermarket. Homemade dry crumbs are made by placing a single layer of bread slices on a baking sheet and baking at 300°F until completely dry and lightly browned. The slices are cooled before processing in a blender or food processor until very fine.

Salt is one of the most ubiquitous food ingredients around. Those who think of salt only as something used to perk up flavor might wonder what could possibly give this ingredient the level of importance it has gained through the ages. In reality, there is much more to this crystalline cube than first meets the eye.



Besides enhancing taste, salt has several other functions in food products. It acts as an antimicrobial or microbiological control agent. It contributes to certain chemical reactions that create a wide variety of food characteristics.



Sometimes the terms "salt" and "sodium" are used interchangeably, but technically this is not correct. "Salt" is sodium chloride. By weight, it is 40 percent sodium and 60 percent chloride.

Most foods and tap water contain sodium and chloride. Sodium is an essential nutrient, a mineral that the body cannot manufacture itself.

Because of sodium's importance to your body, the excretory and nervous systems guard against under-consumption of salt, which is a threat to your body's nerves and muscles. Other ions such as calcium, magnesium, and potassium are also very important. Concentrations of these ions are held in narrow ranges by the kidney.



The association between eating salt and the risk of blood pressure increasing is difficult to quantify. Some people are sensitive to changes in salt intake whereas others can adjust so that blood pressure does not rise at all.



Americans typically consume 4,000-8,000 mg each day, well above their daily needs. A goal for moderation for all adults, (including pregnancy and lactation) is approximately 2,400 mg of sodium per day.

There are over 1,000 varieties of this nutritious LEGUME, ranging in size from as small as a pea to as large as a cherry. Soybean pods, which are covered with a fine tawny to gray fuzz, range in color from tan to black. The beans themselves come in various combinations of red, yellow, green, brown and black. Their flavor is generally quite bland, which may explain why they weren't embraced by Western cultures until their nutritive value was discovered. Unlike other legumes, the soybean is low in carbohydrates and high in protein and desirable oil. Because they're inexpensive and nutrition-packed, soybeans are used to produce a wide variety of products

Omega-3's

Certain fatty fish, like salmon and tuna, contain the best source of heart-healthy omega-3 fatty acids. But certain plant foods, like flaxseed and soybeans, also contain these fatty acids. Soybeans are one of the best non-fish sources of essential omega-3 fatty acids, which may help reduce the risk of coronary heart disease. Compared to other beans like pinto beans and navy beans, soybeans have a higher fat content, but this fat contains these heart-healthy omega-3's.

Basic Egg Facts



Air Cell

The empty space between the white and shell at the large end of the egg.



When an egg is first laid, it is warm. As it cools, the contents contract and the inner shell membrane separates from the outer shell membrane to form the air cell.



The candler uses the size of the air cell as one basis for determining grade. In Grade AA eggs, the air cell may not exceed 1/8-inch in depth and is about the size of a dime. The air cell of Grade A eggs may exceed 3/16-inch in depth. For Grade B eggs, there is no limit on air cell size.



As the egg ages, moisture and carbon dioxide leave through the pores of the shell, air enters to replace them and the air cell becomes larger.



Although the air cell usually forms in the large end of the egg, it occasionally moves freely toward the uppermost point of the egg as the egg is rotated. It is then called a free or floating air cell. If the main air cell ruptures, resulting in one or more small separate air bubbles floating beneath the main air cell, it is known as a bubbly air cell.



You can see the air cell in the flattened end of a peeled, hard-cooked egg.

Back to top



Albumen

Also known as egg white. Albumen accounts for most of an egg's liquid weight, about 67%. It contains more than half the egg's total protein, niacin, riboflavin, chlorine, magnesium, potassium, sodium and sulfur. The albumen consists of 4 alternating layers of thick and thin consistencies. From the yolk outward, they are designated as the inner thick or chalaziferous white, the inner thin white, the outer thick white and the outer thin white. Egg white tends to thin out as an egg ages because its protein changes in character. That's why fresh eggs sit up tall and firm in the pan while older ones tend to spread out.



Albumen is more opalescent than truly white. The cloudy appearance comes from carbon dioxide. As the egg ages, carbon dioxide escapes, so the albumen of older eggs is more transparent than that of fresher eggs.



When egg albumen is beaten vigorously, it foams and increases in volume 6 to 8 times. Egg foams are essential for making souffles, meringues, puffy omelets, and angel food and sponge cakes.



The yolk or yellow portion makes up about 33% of the liquid weight of the egg. It contains all of the fat in the egg and a little less than half of the protein.



With the exception of riboflavin and niacin, the yolk contains a higher proportion of the egg's vitamins than the white. All of the egg's vitamins A, D and E are in the yolk. Egg yolks are one of the few foods naturally containing vitamin D.



The yolk also contains more phosphorus, manganese, iron, iodine, copper, and calcium than the white, and it contains all of the zinc. The yolk of a Large egg contains about 59 calories.



Double-yolked eggs are often produced by young hens whose egg production cycles are not yet completely synchronized. They're often produced, too, by hens who are old enough to produce Extra Large eggs. Genetics is a factor, also. Occasionally a hen will produce double-yolked eggs throughout her egg-laying career. It is rare, but not unusual, for a young hen to produce an egg with no yolk at all.

Dehydrate: various processes to remove water content from food, mostly to prolong shelf-life.



Vitamin A is derived from beta-carotene and carrots are the leading source of this substance in the American diet. In fact, carotenoids, the group of plant pigments of which beta-carotene is a member, are so named because they were first identified in carrots. This ever-popular vegetable is also a source of disease-fighting flavonoids, and carrots contain a specific type of fiber, called calcium pectate, which may lower blood cholesterol.



With the exception of beets, carrots contain more sugar than any other vegetable, which makes them a satisfying snack eaten raw and a tasty addition to a variety of cooked dishes. In fact, some of the nutrients in carrots are more easily absorbed when the vegetable has been cooked, even briefly.



The carrot belongs to the Umbelliferae family, and is recognizable by its feathery leaves as a relative of parsley, dill, fennel, celery, and the wildflower Queen Anne's Lace, from which it first may have been domesticated. In earlier times, carrots were small red, yellow, or purple roots; the elongated orange carrot, forerunner of today's familiar vegetable, was probably developed in the seventeenth century.



Varieties



There are many varieties of carrots, but most of those grown for the American market are 7" to 9" long and 3/4" to 1 1/2" in diameter; carrots of this type are commonly sold in plastic bags at the supermarket. Some stores also offer bunches of carrots with their green tops attached. You may see some less familiar varieties at your local farmstand or farmer's market, including short, fat (but deliciously sweet) Chantenay carrots and small round carrots that are a treat for the kids.



Large carrots are sometimes peeled and trimmed to 1 1/2" to 2" lengths and packaged as "baby" carrots. But true baby carrots are pulled from the ground early, and actually look like miniature carrots. They are sold in specialty shops or local markets, usually with their green tops attached.





Source: http://www.wholehealthmd.com/refshelf/foods_view/1,1523,14,00.html

Dehydrate: various processes to remove water content from food, mostly to prolong shelf-life.



Without doubt the onion is the most used flavoring vegetable in the world. There is hardly a savoury dish that doesn't include onions or one of its relatives - white and red onions, garlic, chives, shallots, spring onions and leeks. Members of the onion family vary enormously in shape, size, colour, texture and intensity of flavor. Onions, particularly garlic, have also been used as medicines. The ancient Egyptians worshipped onions and during the Middle Ages they were used as currency. Onions give you some vitamin C and fiber. Scientists have recently discovered that flavenoids found in onions may protect people from heart disease.



Cocktail onions

These tiny onions have a sweet white flesh and are sold pickled in vinegar. They are the smallest variety available.

Uses: Serve pickled cocktail onions with a selection of cold meats or with crusty bread and mature Cheddar cheese.

To store: Keep in a cool, dark place for up to 1 year.



Pearl onions

Also known as button or baby onions, these are larger than pickling onions and have a sweet, delicate flavour.

Uses: Add whole to stews and casseroles or cook them very gently in a little butter and a splash of balsamic vinegar for 20-30 minutes until tender, serve with roasted meat.



Pickling onions

These are maincrop onions, picked when they are still small. Available only in the autumn, they have a strong, pungent flavour.

Seasonal availability: September to November.

Uses: Preserve them in vinegar, leave to mature and enjoy them with cheese and cold meats. They can also be added whole to casseroles in place of shallots or standard onions.

To store: Store in a dark, cool, airy place.

To prepare: Chop off the neck and just a little of the base to help the onion stay together. Score a line down the side of the onion and peel away the outer skin and first layer of flesh. To make peeling easier, soak the onions in warm water to soften the skins.



Red onions

Red onions have a mild sweet flavour and an attractive colour.

Uses: As a garnish or combine with tomatoes and red leaf lettuce for a colourful salad, or include in homemade chutneys to serve with cheese and cold meats. Try them quartered and roasted in olive oil.

Seasonal availability: All year, English from October to April.

To store: Store in a dark, cool, airy place.

To prepare: Cut the neck and base away, then score down the side of the onion and remove the skin and first layer of flesh. To help hold back the tears during preparation, chill the onion first for 30 minutes and always remove the root end last. The root contains the largest concentration of sulphuric compounds which make the eyes water.



Shallots

These are not baby onions (as pickling onions are) but a close relation of the onion. They have a mild, delicate flavour which is less overpowering than most onions so do try to use shallots where a recipe specifies if possible. Shallots grow in a similar way to garlic - when you peel one there may be two or three held together at the root.

Seasonal availability: All year.

Uses: Use in recipes where a small amount of onion is used or where a subtle onion flavour is needed. They are often included in rich, creamy sauces where just a hint of onion flavour is needed.

To store: Keep in a cool, dry place.

To prepare: Top and tail shallots and then peel the outer skin away. If there are several bulbs, pull them apart and then slice.



Spanish onions

Onions grown in warm climates are milder than those from cooler regions, consequently Spanish onions have a mild, sweet flavour. Their skins are a rich golden colour and they are one of the largest varieties available.

Seasonal availability: All year.

Uses: Serve raw in salads, stuff and bake them or add to any savoury dish where a subtle onion flavour is required.

To store: Store in a dark, cool, airy place.

To prepare: Cut the neck and base away, then score down the side of the onion and remove the skin and first layer of flesh. To help hold back the tears during preparation, chill them first for 30 minutes and always remove the root end last. The root contains the largest concentration of sulphuric compounds which make the eyes water.



Spring onions

Also known as salad onions, these are onions that have been harvested at a very young age. They have green shoots and a creamy white bulb, both of which can be eaten. They have a mild flavour and are often eaten raw.

Seasonal availability: May to September.

Uses: In salads, stir-fries, omelettes or sandwich fillings.

To store: Keep in the fridge for 3-4 days.

To prepare: Trim off the root and the outer leaves. Serve whole or sliced, the green tops can be snipped using kitchen scissors.



White onions

With a strong, pungent flavour and distinctive white skin and flesh, white onions are increasingly popular.

Uses: Ideal for serving raw in salads or cooked they are very versatile.



Yellow onions

These are the most commonly used onions and they have a golden brown skin. They have a pungent aroma, a strong flavour and are a good all-round onion.

Seasonal availability: All year.

Uses: In a wide variety of dishes from casseroles, pies and quiches to stir-fries, sauces and pizzas.

To store: Keep in a dark, airy place.

To prepare: Cut the neck and base away, then score down the side of the onion and remove the skin and first layer of flesh. To help hold back the tears during preparation, chill them first for 30 minutes and always remove the root end last. The root contains the largest concentration of sulphuric compounds which make the eyes water.

"The term natural flavor or natural flavoring means the essential oil, oleoresin, essence or extractive, protein hydrolysate, distillate, or any product of roasting, heating or enzymolysis, which contains the flavoring constituents derived from a spice, fruit or fruit juice, vegetable or vegetable juice, edible yeast, herb, bark, bud, root, leaf or similar plant material, meat, seafood, poultry, eggs, dairy products, or fermentation products thereof, whose significant function in food is flavoring rather than nutritional."

The new labeling law effective in 2006, The Food Allergen Labeling and Consumer Protection Act (FALCPA), requires manufacturers to declare if one or more of the 8 major food allergens are contained in a natural flavoring. The top 8 major food allergens are defined as: milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts and soybeans.

If you are managing food allergies other than the top 8 major food allergens, however, the new law will not be of assistance to you in identifying the sources in any natural flavoring stated on a label.

The FDA does not require companies to disclose ingredients of color or flavor additives so long as all the chemicals in them are considered by the agency to be GRAS ("generally recognized as safe") enabling companies to maintain secrecy of formulas. It also hides the fact that flavors often contain more ingredients than the foods to which they give taste.

A typical artificial strawberry flavor contains over 30 chemicals. According to manufacturer safety data sheets those chemicals cause eye irritation, corneal damage, eye burns, skin irritation, severe / permanent damage to digestive tract, gastrointestinal irritation, gastrointestinal tract burns, CNS depression, neurological effects, liver abnormalities, cardiac abnormalities, or other harm.

Natural flavor, according to the FDA, must be derived entirely from natural sources (herbs, spices, fruits, vegetables, beef, chicken, yeast, bark, roots, etc). Consumers prefer to see natural flavors on a label out of a belief they are more healthful.

Natural flavor is not necessarily more healthful or purer than an artificial flavor. Almond flavor when derived from natural sources may contain traces of hydrogen cyanide, a deadly poison. When derived by mixing oil of clove & amyl acetate, it does not. Natural flavors and artificial flavors are often manufactured at same chemical plants.

Flavor manufacturing may also involve biotechnology, using enzyme reactions, fermentation, & fungal and tissue cultures. Flavors created by these methods are considered natural flavors by the FDA.

In addition to flavor chemicals also think about genetic engineering of food, DNA or gene alteration, and medicines and hormones given to cows, cattle, hogs, and chickens. What affect does it have upon us? Some are suspected causes of cancer or other problems.

When a natural flavor or artificial flavor is added to a food or drink the resultant processed food is no longer natural & is potentially harmful.

Source: http://web.archive.org/web/20030608101921/www.cfsan.fda.gov/~dms/opa-bckg.html

Ravioli (perhaps a diminutive of Italian dialectal rava, or turnip) are a type of filled pasta composed of a filling sealed between two layers of thin pasta dough. The word ravioli is reminiscent of the Italian verb ravvolgere ("to wrap"), though the two words are not etymologically connected.[citation needed]



The filling may be meat-based (either red or poultry), fish-based, or cheese-based. Ravioli can be rectangular, triangular, half-moon or circular in shape. Other traditional Italian fillings include ricotta mixed with grated cheese and vegetables such as spinach, swiss chard, or nettles or they may be a puree made of potatoes, mushrooms, pumpkin, chestnut or artichokes. A version filled with sweet potatoes is popular in contemporary Israel.



Ravioli is often topped with a red tomato-based sauce: though tomatoes were introduced to European botanists in the 16th century, tomato sauce makes a surprisingly late entry in Italian cuisine: in 1692. [1] More delicate fillings are often paired with sage and melted butter, or more rarely with pesto- or broth-based sauces. Cream sauces are foreign to Italian traditional cuisine.[citation needed]



Though the dish is of Italian origin, the oldest known recipe is an Anglo-Norman vellum manuscript from the 1290s.[2]. These recipes were brought to Eastern Europe by the Mongolians in the 13th-14th Century, as their travelling food. These wrapped food in thin dough is originated from the four thousand years Chinese jiaozi, that the Mongolians took with them when they travelled to the West .[clarification needed][citation needed] Sicilian ravioli and Malta's ravjul may thus be older than North Italian ones. Maltese ravjul are stuffed with irkotta, the locally produced sheep's-milk ricotta, or with gbejna, the traditional fresh sheep's-milk cheese.



In Venice, the mid-14th century manuscript Libro per cuoco offers ravioli of green herbs blanched and minced, mixed with beaten egg and fresh cheese, simmered in broth, a recipe that would be familiar today save for its medieval powdering of "sweet and strong spices".[3] In Tuscany, some of the earliest mentions of the dish come from the personal letters of Francesco di Marco Datini, a merchant of Prato in the 14th century. In Rome, ravioli were already well-known when Bartolomeo Scappi served them with boiled chicken to the papal conclave of 1549.[4]





Preparation of home-made ravioli with ricotta.Today, ravioli are made in worldwide industrial lines supplied by Italian companies such as Arienti & Cattaneo, Ima, Ostoni, and Zamboni. "Fresh" packed ravioli usually have seven weeks of shelf life.



Similar foods in other cultures include the Chinese jiaozi or wonton – in fact, ravioli and tortellini are collectively referred to as "Italian jiaozi" (????) or "Italian wonton" (?????)) – Eastern and central European pierogi, the Russian pelmeni, the Ukrainian varenyky, the Tibetan momo, the Turkish manti, German Maultaschen, and Jewish kreplach. In Lebanon, a similar dish called shishbarak contains pasta filled with minced beef meat and cooked in hot yogurt.