3,4-dihydroxybenzoic acid is a complex and multi-classification metabolite of anthocyanins and proanthocyanins. It has antioxidant, antibact

4-vinylphenol is a white solid with a special smell, which is medicinal, meaty and musty. If diluted, 4-vinylphenol can produce the aroma of

Hydroxytyrosol is a kind of phenolic compound with broad spectrum and has many biological and pharmacological activities. Hydroxytyrosol is

Why is cosmetic-grade nicotinamide such a popular ingredient in skin care?Cosmetic grade nicotinamide is widely popular for its whitening, y

3, 4-dihydroxybenzoic acid, also known as protocatechuic acid, is a phenolic acid compound, is also a relatively simple phenolic acid, molec