Pharmacopoeial Standards and Pharmacognostical Studies of Leaves of Citrus paradisi Var. Foster

Grapefruit (Citrus paradisi) is an important member of Citrus genus from family Rutaceae. It has been used as a folk medicine in many countries as antibacterial, anti fungal, anti-inflammatory, antimicrobial, antioxidant, antiviral, astringent, and preservative. It is also used for Cancer Prevention, Cellular Regeneration, Cholesterol Lowering, Cleansing, Detoxification, Heart Health Maintenance, High Cholesterol, Lupus nephritis, Rheumatoid Arthritis and Weight Loss. This paper deals with the Powder microscopy and microscopic study of leaf along with the physico-chemical and preliminary phytochemical analyses that could be helpful in setting standards for selection of authentic raw drugs for herbal medicines. Extractive value yield was maximum in aqueous extract whereas maximum phytochemical activity was observed in methanolic extract. Powder microscopy shows presence of prismatic crystals.