Pharmacognostical standardization and preliminary phytochemical investigations on Acacia auriculiformis A. Cunn. Ex. Benth stem bark
Nidhi Sharma, Sumitra Singh and Shailendra Kumar Singh
Acacia auriculiformis A. Cunn. ex. Benth is a valuable and evergreen tree of family Mimosaceae. The plant is used as a folk medicine to treat aches, sore eyes, inflammation, malaria, skin diseases like itching, allergy and rashes. The stem bark of the plant is used as traditional remedy for treatment of rheumatism. The present study includes determination of various standardization parameters such as morphological characters, microscopic studies, physicochemical evaluation and preliminary phytochemical screening. The morphological studies exhibited the organoleptic and surface characteristics of stem bark. The microscopic study showed the presence of various characteristics of bark like cork, phloem fibers, medullary rays, parenchyma, calcium oxalate crystals and stone cells. Physicochemical constants such as foreign organic matter, extractive values, ash values, loss on drying, swelling index and foaming index were established. Preliminary phytochemical analysis revealed the presence of carbohydrates, phenols, flavonoids, saponins and steroids. Extensive literature survey on this plant revealed that, no information about standardization of this plant was available. Therefore, findings of this study will facilitate quality control and identification of the plant.