... 5. CAS No.: 22888-70-6 6. Specifications: Silymarin 80%, 50%, 40% UV/ HPLC 7. Appearance: Yellow-Brown fine Powder8. ... clearing free radical in human body, postpone senility. In addition, Silymarin has the function of radiation hardening, arteriosclerosis preventing, skin-aging ... used in drug, health products, food and cosmetics. Milk Thistle Silymarin 80%