It is made by boiling the connective tissues, bones and skins of animals, usually cows and pigs.
Yes, it is still used. There are also gelling agents sometimes called vegetable gelatins, such as pectin, derived from plants, although these are carbohydrate-based and not chemically related to animal gelatins. Kosher gelatin just has to come from the right animals. Gelatin. Gelatin is a protein substance derived from collagen, a natural protein present in the tendons, ligaments, and tissues of mammals. It is produced by boiling the connective tissues, bones and skins of animals, usually cows and pigs. Gelatin is derived from the collagen found in the bones, connective tissue, and skin of pigs, cattle and other animals. Collagen from fish bones is also sometimes used. Gelatin used for culinary purposes is usually sold in sheets, granules, or powder. Gelatin is a yellowish, odorless, and nearly tasteless substance that is made by prolonged boiling of skin, cartilage, and bones from animals. It's made primarily from the stuff meat industries have left over — we're talking about pork skins, horns, and cattle bones. Ugh. Gelatin is a protein made from animal products. Gelatin is used for weight loss and for treating osteoarthritis, rheumatoid arthritis, and brittle bones (osteoporosis). Some people also use it for strengthening bones, joints, and fingernails. Gelatin's. use in the manufacture of medicinal capsules occurred in the twentieth century. Gelatin is a protein substance that is extracted from collagen, a natural protein present in skin, bones, and animal tissue. As a protein, it contains many amino acids that lend itself to a diverse amount of applications. Gelatin, or gelatine, is a substance derived from the processing of animal collagen. Commercially, this is most typically obtained from cattle hides and bones and pigskins. Contrary to popular belief, it is not rendered from the feet or horns of animals, which are made primarily of keratin rather than collagen.
http://blogs.library.duke.edu/answerperson/2007/03/12/gelatin/ http://www.madehow.com/Volume-5/Gelatin.html http://foodreference.about.com/od/Food-Additives/a/What-Is-Gelatin.htm http://www.popsugar.com/fitness/Gelatin-Made-Out-What-84889 http://www.webmd.com/vitamins-supplements/ingredientmono-1051-GELATIN.aspx?activeIngredientId=1051&activeIngredientName=GELATIN http://www.madehow.com/Volume-5/Gelatin.html http://www.wisegeek.org/what-is-gelatin.htm
what are gelatin made of