Carminic acid

（重定向自Natural Red 4）

Cochenilleschildlaus-Kolonie auf einer Opuntie

Carminic acid (C₂₂H₂₀O₁₃) is a red glucosidal hydroxyanthrapurin that occurs naturally in some scale insects, such as the cochineal, Armenian cochineal, and Polish cochineal. The insects produce the acid as a deterrent to predators. Carminic acid is the colouring agent in carmine. Synonyms are C.I. 75470 and C.I. Natural Red 4.

单词	Natural Red 4
释义	Natural Red 4 原声例句明星的经典造型 This is the true hard fact, don't change your natural red hair. 这是千真万确的事实，不要改变你天生的红头发。英语百科 Carminic acid （重定向自Natural Red 4） Carminic acid (C₂₂H₂₀O₁₃) is a red glucosidal hydroxyanthrapurin that occurs naturally in some scale insects, such as the cochineal, Armenian cochineal, and Polish cochineal. The insects produce the acid as a deterrent to predators. Carminic acid is the colouring agent in carmine. Synonyms are C.I. 75470 and C.I. Natural Red 4.
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