I am delighted to write a Foreword to the Book 'Diversity of Garcinia species in the Western Ghats: Phytochemical Perspective' edited by my student Dr. K. B. Rameshkumar who took Garcinia imberti as a subject for his doctoral studies. It gives me all the more pleasure and gratification to see that he continued with his studies on Garcinia species of the Western Ghats along with his students and colleagues. Unlike many other doctoral students, he kept alive his passion for the studies on Garcinia and the present book is the outcome of his dedicated efforts during the last one and a half decades. Pursuit of science is a passion and unravelling the subtleties of nature is an ecstasy which fulfils the inner urge for quest and discovery.The genus Garcinia is important by virtue of their reputation in traditional medicines, established pharmacological activities, diversity in chemical structures and potential nutritional properties. Despite recent progress in phytochemical and pharmacological studies on Garcinia species world over, significant gaps still exist concerning the exploration of the vast data on phytochemical diversity of Garcinia species. The present book provides a comprehensive and updated report on different aspects including distribution, conservation, morphology, chemotaxonomy, molecular taxonomy and pharmacology of Garcinia plants, with emphasis on Western Ghats species. Its specific focus on the Phytochemistry of Garcinia species is a great contribution to the lesser known subject Phytochemistry, especially in India. The authors are experts in their relevant field of research, as revealed by the contents and the in-depth presentation of individual chapters. The compiled data may provide useful clues to promote further investigations for the development of new lead molecules and value added products from Garcinia species. Furthermore, the book will give basic information on possible conservation strategies for the Western Ghats Garcinia plants. I personally am privileged to present this elegant work on 'Phytochemistry of Garcinia species' before the scientific community.
Botanicals and herbal preparations for medicinal usage contain various types of bioactive compounds. The focus of this paper is on the analytical methodologies, which include the extraction, characterization of active ingredients in Capsicum frutescens fruits and Annona muricata L. leaves. Capsicum frutescens used for various problems with digestion including upset for conditions of the heart and blood vessels including poor circulation, excessive blood clotting, high cholesterol, and preventing heart disease. Whereas Annona muricata L. leaves are traditionally used to treat diabetes. People have been consuming raw leaves of Annona muricata L. to control blood glucose levels. The present investigation was designed to study the phytochemical profiling and bioactive component principles of Capsicum frutescens and Annona muricata by Thin layer Chromatography. Bio autography agar overlay test was done to detect the antimicrobial activity of the extracts. The results of this study confirmed the presence of various bioactive compounds in the acetone and methanol extracts of both the plants. The chromatographic analysis revealed that Capsicum frutescens fruit extract and Annona muricata leaf extract are composed of various Alkaloids, Terpenoids, Saponins, and Phenolics which are accountable for many biological activities. Bio autography assays shows that Capsicum frutescens shows growth inhibition against bacteria, but Annona muricata does not shown any significant activity. The findings of present study implies that both extracts are potent source for some medicinally important phytochemicals with antioxidant and antibacterial activities. Keywords: Phytochemicals; Thin Layer Chromatography; Bio autography.
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