White Willow Bark Extract Botanical source: Salix alba ( LINN.) Bark or branches used. Appearance: Brownish-Yellow fine powder. Specification: Salicin : 15% Â £ Â » 25% Â £ Â » 50% Â £ Â » 98% HPLC Pharmacological....
Shaanxi Yongyuan Bio-Tech Co., Ltd. headquartered in Xi' an, is an expert in the field of biochemistry, pharmacology and analysis of herbs and natural compounds. We are mainly engaged in plant....