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코치닐

코치닐
코치닐 구조식 이미지
카스 번호:
1343-78-8
한글명:
코치닐
동의어(한글):
코치닐
상품명:
Cochineal
동의어(영문):
E120;CI 75470;COCHINEAL;CARMINE 40;CARMINE 2G;CARMINE RED;CI NO 75470;CARMINE PICRO;CARMINIC ACID;NATURAL RED 4
CBNumber:
CB6682312
분자식:
C22H20O13
포뮬러 무게:
492.39
MOL 파일:
1343-78-8.mol

코치닐 속성

색상 색인 번호
75470
물리적 상태
Powder
색상
Red
Merck
2457

안전

안전지침서 22-24/25
WGK 독일 2
RTECS 번호 GG5350000

코치닐 C화학적 특성, 용도, 생산

화학적 성질

Cochineal is a red coloring material from the dried bodies of the female insect Coccus cacti and harvested from cultivated cacti. The raw material is obtained primarily from the Canary Islands and parts of South America. Boiling cochineal with mineral acid produces carmine red (ClH12O7). Precipitating a mixture of cochineal and alum produces a bright red pigment. Cochineal is used as a color additive in food, drugs and cosmetics. It is also used as a microscopic stain and biological marker.

용도

Cochineal is a red colorant extracted from the dried bodies of the female insect coccus cacti. The coloring is carminic acid in which the water-soluble extract is . It precipitates at ph 3, has good stability at ph 4, and excellent stability at ph 5–8. It has low tinctorial strength and has excellent stability to heat and light. It is also stable in retorted protein systems where other food dyes are unstable. It is used in foods requiring red coloring.

정의

A red coloring matter consisting of the dried bodies of the female insects Coccus cacti. The coloring principle is carminic acid.

Essential oil composition

The principal pigment in cochineal is a protein-bound glycoside of the anthraquinone, carminic acid.

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