色婷婷综合成人av|久久亚洲专区|a亚洲无码中字幕在线观看|九九热精品国产,在线中文字幕av网,亚洲日皮皮黄色毛片一级网,日韩中文字幕网站

[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!