3d image of primulin skeletal formula

primulin anthocyanin 3-galactoside malvidin primula sinensis pigment flavonoid phenylpropanoid pathway food additive supplement 3d biological activity bioactive nutrient prescription drug nutraceutica dietary antioxidant anti-cancer anti-aging healthy aging alternative medicine tcm traditional chinese herbal herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia parasympathomimetic phytoalexin molecule molecular formula skeletal structural structure geometry ball stick atom