What is Pterostilbene? Pterostilbene , a white or off-white crystalline powder, is an active ingredient derived from plants such as rosewood, blueberry, grape, and palmyra. Because it was first discovered in ... Read More
What is Quercetin? Quercetin is a common plant secondary metabolite, chemically named 3,3,4,5,7-pentahydroxyflavone . It typically appears as a yellow crystalline powder that is practically insoluble in water ... Read More
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Xi 'an Shilin Biotechnology Co., Ltd
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