91视频免费版黄,五月天国产视频,国产黄频,91精品国产亚一区二区三区老牛,丝袜毛片,伊人久久无码中文字幕,精品少妇一区二区30p

在線客服
掃一掃加關(guān)注 掃一掃加關(guān)注
24-Hour Hotline
13319106789 15389404674 15091427713 13399202550
xanthophyll
發(fā)布時(shí)間:2021/4/14      點(diǎn)擊數(shù):4533

[product name] lutein

[active ingredient] lutein

[source] Marigold

[extract part] flower

[solubility] insoluble in water, soluble in hexane and other organic solvents, solubility ≥ 99%

[ingredient description] lutein, a kind of carotenoids, is also called plant lutein. It is known that there are many kinds of carotenoids in nature, only about many of which exist in human blood and tissues

[product specification] 5% 10% 20% 30% 40% 80% 90% HPLC

[color character] orange powder

The molecular formula is C40H56O2 and the relative molecular weight is 568.85.

For more details about this product, please call our customer service!