The minor fruits of plants Carissa carandas, Spondias mangifera and Solanum torvum are a store house of minerals, vitamins, antioxidants and other valuable nutritional source for medicinally important compounds. This book covers pharmacognostical study of plant fruits including morphological; microscopical; histochemical; loss on drying; ash value; extractive value; crude fibre contents; fluorescence analysis; preliminary phytochemical screening; qualitative chemical tests. Some phytoconstituents were isolated from the ethanolic extract of the fruit and characterized on the basis of spectroscopic (UV, IR, 1H, 13C NMR and MS) and screened for adaptogenic activity using anoxia stress tolerance, swimming endurance and Cyclophosphamide induced immunosuppression model.