Word Origin & History. critical 1580s, censorious, from critic + -al (1). Meaning pertaining to criticism is from 1741; medical sense is from c.1600; meaning of the nature of a crisis is from 1640s; that of crucial is from 1841.
Calcium citrate is the calcium salt of citric acid. It is commonly used as a food additive (E333), usually as a preservative, but sometimes for flavor.In this sense, it is similar to sodium citrate.alcium citrate is also found in some dietary calcium supplements (e.g. Citracal).
Identification. Calcium citrate is an organic compound made from the calcium salt of citric acid. With a high content of elemental calcium, the kind your body can absorb, calcium citrate is a beneficial supplement, food additive and preservative.Calcium citrate is often manufactured from citrus juices such as lime juice or added to food in the form of citric acid.The mineral calcium is vitally important to support tissue, bones and cells in the body.dentification. Calcium citrate is an organic compound made from the calcium salt of citric acid. With a high content of elemental calcium, the kind your body can absorb, calcium citrate is a beneficial supplement, food additive and preservative.