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e of cochineal, extracted as a purple-red amorphous mass. It is a glucoside and possesses acid properties; -- hence called also carminic acid. Carmine red (Chem.), a coloring matter obtained from carmine as a purple-red substance, and probably allied to the phthaleïns.

Of or pertaining to, or derived from, carmine. Carminic acid. Same as Carmine, 3.

pertaining to or designating a hydroscopic monobasic acid, C10H15O5N3, obtained as a cleavage product from an acid of muscle tissue.

OF or pertaining to cheese; as, caseic acid.

enty left unchanged; as, the catalysis of making ether from alcohol by means of sulphuric acid; or catalysis in the action of soluble ferments (as diastase, or ptyalin) on starch.

One of the tannic acids, extracted from catechu as a white, crystaline substance; -- called also catechuic acid, and catechuin.

nd several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It is also known by the names terra japonica, cutch, gambier, etc. Ure. Dunglison.

Of or pertaining to the purgative principle of senna, as cathartic acid.

The bitter, purgative principle of senna. It is a glucoside with the properties of a weak acid; -- called also cathartic acid, and cathartina.

Properly the citron, a variety of Citrus medica, with large fruits, not acid, and having a high perfume.

omeric with starch, and is convertible into starches and sugars by the action of heat and acids. When pure, it is a white amorphous mass. See Starch, Granulose, Lignin. Unsized, well bleached linen paper is merely pure cellulose. Goodale. Starch cellulose, the delicate framework which remains when the soluble part (gra…

white amorphous substance, the insoluble part of cherry gum; -- called also meta-arabinic acid.

from bran, and possessing the power of converting starch into dextrin, sugar, and lactic acid. Watts.

Of, pertaining to, or derived from, the brain. Cerebric acid (Physiol. Chem.), a name formerly sometimes given to cerebrin.

Pertaining to, or derived from, beeswax or Chinese wax; as, cerotic acid or alcohol.

A fast dyestuff, C20H8O6, made by heating gallein with strong sulphuric acid. It dyes mordanted fabrics green.

Pertaining to, or derived from, the lichen, Iceland moss (Cetaria Islandica). Cetraric acid. See Cetrarin.

nd moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.

Of, pertaining to, or derived from, the celandine. Cheidonic acid, a weak acid extracted fron the celandine (Chelidonium majus), as a white crystalline substance.

carbohydrates occurs in the nitrite bacteria through the oxidation of ammonia to nitrous acid, and in the nitrate bacteria through the conversion of nitrous into nitric acid. -- Chem`o*syn*thet"ic (#), a.