Product name: xanthophyll      
Plant origin: African marigold petal
Plant origin: native to Mexico; being cultivated in our country, such as, Guangdong, southern part of Yunnan
Effective constituent: xanthophyll
Product specification: 5%-90%
Testing method: HPLC/UV
Appearance: orange powder
Smell character: light bitter taste
CAS No.:127-40-2
Molecular weight: 568.88  
Molecular formula: C₄₀H₅₆O₂
Structural formula:
 
Function and uses:
Xanthophyll is existed together with zeaxanthin in nature. It is main ingredient of vegetable, fruit and flower and other phytochrome. And it is main pigment of macular region on retina.
(1)as pigment
Orange red natural pigment; as chicken feed;
(2)protection on eyes:
It is helpful in delaying degeneration, disease of eyes.
(3) antioxidant
It is helpful in therapy of heart diseases.
Solubility: insoluble in water; lightly soluble in n-hexane; soluble in ethyl alcohol and chloroform
Scope of application:
Mei Wanshouju compound capsule