white willow bark extract for pain relief

{"cid":"91225914","title":"Premium White Willow Bark Extract Powder | Standardized 15%-98% Salicin | Natural Pain Relief & Skincare | HPLC Tested","imgUrl":"https:\/\/img.chinax.com\/nimg\/0a\/50\/ee5b2a3ea5609b60196843bbed67-200x200-1.jpg","attrs":{"Price":"$19.00 \u2013 $89.00 \/ kg","Brand Name":"QHBC","Model Number":"EC-20","Minimum Order Quantity":"1kg","Delivery Time":"15 work days","Part Used":"Bark (Dry)","Solubility":"100% Water Soluble","CAS Number":"138-52-3","Packaging Details":"1kg\/Aluminum foil bag, 25kg\/Fiber drum.","Payment Terms":"L\/C,T\/T,Western Union","Assay Standard":"15%, 25%, 50%, 98% (HPLC Standardized)","Appearance":"Yellow Brown to Off-white Fine Powder","Heavy Metals":"Total \u2264 10ppm (Pb \u2264 2.0ppm, As \u2264 1.0ppm)","Certification":"ISO9001 ISO22000 HACCP FDA Registered COA Available Halal, Kosher","Mesh Size":"100% Pass 80 Mesh","Place of Origin":"Shaanxi, China","Botanical Source":"Salix alba L.","Supply Ability":"2000 Kilograms per Month","Active Ingredient":"Salicin"}}