لینک پرداخت و دانلود در "پایین مطلب" فرمت فایل: word (قابل ویرایش و آماده پرینت) تعداد صفحات 11 Common name: Rhubarb Family: Polygonaceae Author: Botanical references: 50, 200 Synonyms: Known Hazards: The leaves contain high concentrations of oxalic acid. Oxalic acid can lock up certain minerals (especially calcium) in the body, leading to nutritional deficiency. Cooking the plant will reduce the concentration of oxalic acid. Anothe ...