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"SummaryAnalysis on medicinal plants from Islamic aspects."

"This book focuses on efficacy, toxicity, drug interactions, and abnormal clinical laboratory tests resulting from the use of herbal remedies. Although a few herbal remedies are safe and have efficacy (for example saw palmetto), many herbal remedies are toxic. This book guides in the interpretation of abnormal test results in otherwise healthy subjects due to use of herbal remedies. Chapters focus on interactions between herbals and pharmaceuticals, sources of contamination in herbal supplements, and analytical techniques used in the investigation of herbal remedies.This book is divided into five parts. The first part provides a general introduction to CAMs as well as an introduction to herbals considered safe versus those with a darker reputation. The second part provides more detailed information in an organ or disease based focus and delves into some of the traditional practices of which most allopathic professionals have limited knowledge. Part III is dedicated to the key interactions between herbal supplements and various pharmaceutical drugs. Part IV addresses these important points. Part V discusses various analytical techniques used in the investigation of herbal remedies."

"Diabetes melitus (DM) adalah gangguan metabolik yang ditandai dengan tingginya kadar gula darah sebagai akibat resistensi insulin, insufisiensi sekresi insulin, atau keduanya. Salah satu jenis DM adalah Non-Insulin-Dependent Diabetes Mellitus (DM tipe 2) dan salah satu cara pengobatannya yaitu dengan penghambatan kerja enzim α-glukosidase. Tujuan penelitian ini adalah untuk mengetahui aktivitas penghambatan enzim α-glukosidase dari ekstrak etanol 80% beberapa simplisia dari famili Apocynaceae dan Rubiaceae, untuk mengetahui jenis mekanisme penghambatan dari ekstrak yang memiliki aktivitas paling baik, dan untuk mengetahui golongan senyawa kimia yang terkandung pada ekstrakekstrak tersebut. Pengujian aktivitas penghambatan enzim α-glukosidase dilakukan secara in vitro menggunakan metode spektrofotometri. Nilai IC50 ekstrak-ekstrak dalam penelitian ini berkisar antara 3,64 µg/mL sampai dengan 181,90 µg/mL. Ekstrak daun Amaracarpus pubescens Blume. memiliki aktivitas penghambatan paling baik. Jenis mekanisme penghambatan kerja enzim α-glukosidasenya adalah penghambat campuran (mixed inhibitor). Kandungan golongan senyawa kimia yang banyak ditemukan pada ekstrak etanol 80% dari lima simplisia famili Apocynaceae dalam penelitian ini adalah tanin, glikosida, saponin, dan antrakuinon. Sedangkan, pada ekstrak etanol 80% dari sepuluh simplisia famili Rubiaceae dalam penelitian ini adalah alkaloid, flavonoid, terpenoid, tanin, glikosida, dan antrakuinon.

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Diabetes mellitus (DM) is a metabolic disorder characterized by high blood sugar levels as a result of insulin resistance, insulin secretion insufficiency, or both. One type of DM is Non-Insulin-Dependent Diabetes Mellitus (type 2 DM) and one way of its treatment is by inhibiting the α-glucosidase. The purpose of this study was to determine the α-glucosidase inhibitory activity of ethanol 80% extracts of several symplicia from the Apocynaceae and Rubiaceae, to determine inhibitory mechanism type of the extract that has the best activity, and to screen the phytochemical compounds contained in these extracts. Inhibitory activity testing of the α-glucosidase was performed in vitro using spectrophotometric methods. IC50 value of extracts in this study ranged from 3.64 µg/mL to 181.90 µg/mL. Amaracarpus pubescens Blume. leaf extract has the best inhibitory activity. Its type of enzyme inhibition mechanism is the mixed inhibitor. The phytochemical compounds which are found in ethanol 80% extracts of five symplicia of Apocynaceae in this study are tannins, glycosides, saponins and anthraquinones. Meanwhile, in ethanol 80% extracts of ten symplicia of Rubiaceae in this study are alkaloids, flavonoids, terpenoids, tannins, glycosides, and anthraquinones."