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Cultured milks are products made by use of special lactic acid bacteria cultures. They fall into two broad categories. Those made by use of lactic acid bacteria which grow well at ambient temperature (25-30°C). Such lactic acid bacteria are known as Mesophilic starter cultures. The other type of cultured dairy product is the one made by use of lactic acid bacteria which grow well under warm conditions (38 - 45(C) The lactic acid bacteria used are technically known as Thermophilic starter cultures. Yoghurt or yoghurt like products belong to this group.

Cultured milk products have been enjoyed in the Middle East, Europe, and parts of Asia for centuries. The Greeks felt that yogurt had therapeutic qualities for diseases caused by intestinal disorders. Bulgarians attribute their good health and longevity in part to their daily intake of cultured milk products.



The most common of the cultured milk products are yogurt, kefir, piima, buttermilk, and quark or cottage cheese.



Yogurt is simply milk thickened to a custard consistency by certain acid-forming bacteria growing in it. The special bacteria that turn milk into yogurt are lactobacillus bulgaricus, lactobacillus acidophilus, and streptococcus thermophilus. The coagulation and the fermentation of milk sugar into lactic acid is caused by these bacteria. This action curdles the protein in yogurt and acts as a preservative.



The bacteria in yogurt have already begun to break down the protein molecules into lactic acid, making it easy for the body to assimilate. Thus yogurt is helpful for people who have lactose intolerance, because they lack an enzyme that helps to digest milk sugar in regular milk. Yogurt helps the digestion process to move along smoothly and quickly.



In the Near East, babies are frequently fed yogurt for two or three months after they are weaned. Breast fed babies receive bacillus bifidus, a bacteria similar to lactobacillus bulgaricus found in yogurt.

A thick, jellylike substance obtained from SEAWEED. Alginic acid is used as a stabilizer and thickener in a wide variety of commercially processed foods such as ice creams, puddings, flavored milk drinks, pie fillings, soups and syrups.

alginic acid or one of its esters or salts, esp. the gelatinous solution obtained as a by-product in the extraction of iodine from seaweed, used in mucilages and for thickening jellies.





source: allrecipes.com

Pepsin is expressed as a pro-form zymogen, pepsinogen, whose primary structure has an additional 44 amino acids.



In the stomach, chief cells release pepsinogen. This zymogen is activated by hydrochloric acid (HCl), which is released from parietal cells in the stomach lining. The hormone gastrin and the vagus nerve trigger the release of both pepsinogen and HCl from the stomach lining when food is ingested. Hydrochloric acid creates an acidic environment which allows pepsinogen to unfold and cleave itself in an autocatalytic fashion, thereby generating pepsin (the active form). Pepsin cleaves the 44 amino acids from pepsinogen to create more pepsin. Pepsin will digest up to 20% of ingested carbon bonds by cleaving preferentially after the N-terminal of aromatic amino acids such as phenylalanine and tyrosine. It will not cleave at bonds containing valine, alanine, or glycine. Peptides may be further digested by other proteases (in the duodenum) and eventually absorbed by the body.



Pepsin is stored as pepsinogen so it will only be released when needed, and does not digest the body's own proteins in the stomach's lining.



Pepsin functions best in acidic environments and is often found in an acidic environment, particularly those with a pH of 1.5 to 2[2].



Pepsin is said to have an optimum temperature between 37°C and 42°C in humans[3].

Source:http://en.wikipedia.org/wiki/Pepsin

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.

Annatto are native to South America, and are currently mostly in use as a flavouring and food colouring in Central and Northern South America. In the Caribbean, the seeds are usually fried in (animal or vegetable) fat; after discarding the seeds, the then golden-yellow fat is used to fry vegetables or meat. By this procedure, a golden yellow to golden brown colour is achieved. Mexican cooks often use a paste (achiote) of annatto seeds with some preservatices (acetic acid) that dissolves completely in hot fat; it is easy to use and can also be added to marinades and sauces to improve the colour. Similar use is found in South America, namely, Perú and Bolivia.