Bryophyllum pinnatum is widely used in ayurvedic system of medicine as astringent, analgesic, carminative and also useful in diarrhoea and vomiting.It is naturalized throughout the hot and moist parts of India.The leaves of B. pinnatum have a variety of uses in the traditional system of medicine in India.They are eaten for diabetes, diuresis, dissolving kidney stones, respiratory tract infections, as well as applied to wounds, boils, and insect bites.It is useful for preventing alcoholic, viral and toxic liver damages.The aqueous extract of this plant have shown anti-inflammatory, antidiabetic, anti-tumor and cutaneous leishmanicidal activities.Maximum percent shoot and root regeneration took place in A3 and A16 set respectively which was 80±1.45 % for the former and 75±1.84 % for the latter.The shoot regeneration which was acquired in set A3 was statistically highly significant while regeneration in A15 was more and statistically highly significant. INTRODUCTION:Plants are important source of medicines and play a key role in world health 1 .In modern medicine, plants are used as sources of direct therapeutic agents, as models for new synthetic compounds and as taxonomic marker for discovery of new compounds.They serve as a raw material base for the elaboration of more complex semisynthetic chemical compounds 2 .The synthesis of bioactive compounds chemically is difficult because of their complex structure and high cost 3 .
Kinnow mandarin is a major citrus fruit crop in India. This study was designed to evaluate Total Phenol content (TPC), Total Flavonoid content (TFC) and antioxidant activity of vegetative and fruit associated leaves extracts of Kinnow at three different times of the year. The results revealed variation in all three parameters chosen: total phenol, flavonoid content as well as antioxidant capacity between vegetative and fruit associated leaves and during different time periods of the study.The TPC and TFC were highest for fruit associated leaf phase II (9.49 ± 0.075 GAE /g dw and 7.74 ± 0.125 QE mg /g dw respectively) whereas antioxidant activity 31.49 ± 0.025 mg AA/g dw was highest for fruit associated leaves phase I extracts. The TPC,TFC and DPPH free radical scavenging activity among the leaf extracts of Kinnow indicated that some non- phenolic components also contributed to the total antioxidant activity in Kinnow leaves extracts examined in the present investigation. To the best of our information, this is the first experiment presenting comprehensive data on TPC, TFC and antioxidant activity for Kinnow leaf extracts. The study further envisaged that the Kinnow leaves may be important sources of antioxidant for food and pharmaceutical industries.
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