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A critical review on Nepal Dock(Rumex nepalensis):A tropical herb with immense medicinal importance

Asian Pacific Journal of Tropical Medicine 2018年第7期11卷 405-414页

作者： Samrin Shaikh Varsha Shriram Amrita Srivastav Pranoti Barve Vinay Kumar Department of Biotechnology Modern College of Arts Science and Commerce (Savitribai Phule Pune University) Department of Botany Prof. Ramkrishna More College (Savitribai Phule Pune University) Department of Environmental Science Savitribai Phule Pune University

Rumex nepalensis Spreng.(Polygonaceae) commonly known as Nepal Dock has wide-spectrum therapeutic potencies and is extensively used for centuries in traditional medicine systems. The leaves of this plant are edible and a rich source of natural antioxidants. They act as a possible food supplement and are largely used in pharmaceutical industry. Extracts and metabolites from this plant exhibits pharmacological activities including anti-inflammatory, antioxidant, antibacterial, antifungal, antiviral, insecticidal, purgative, analgesic, antipyretic, anti-algal, central nervous system depressant, genotoxic, wound healing and skeletal muscle relaxant activity. Due to its remarkable biological activities, it has the potential to act as a rich source of drug against life threatening diseases. However, more studies are needed to scientifically validate the traditional uses of this plant, beside isolating and identifying their active principles and characterizing the mechanisms of action. We present herein a critical account of its botany, ecology, traditional uses, phytoconstituent profile and major pharmacological activities reported in recent years and therefore will provide a source of information on this plant for further studies.

关键词： Rumex nepalensis phytochemical constituents Antioxidant activity Purgative Antiproliferative activity Anti-inflammatory activity Anti-diabetic activity

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phytochemical screening of twelve species of phytoplankton isolated from Arabian Sea coast

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Journal of Coastal Life Medicine 2015年第11期 857-863页

作者： Sushanth Vishwanath Rai Madaiah Rajashekhar Department of Biosciences Mangalore UniversityMangalagangothri-574199KarnatakaIndia

Objective:To analyze the phytochemicals in twelve species of marine ***:Total phenolic content of methanol extract was estimated by the Folin-Ciocalteu *** flavonoid content of the methanol extarct was determined by aluminium chloride ***,β-carotene and astaxanthin were estimated by acetone extraction *** C was determined by dinitrophenyl-hydrazine *** such as allophycocyanin,phycocyanin and phycoerythrin in the aqueous extracts were ***:Total phenolics varied from 5.41 mg gallic acid equivalents/g dry weight(DW)in Phormidium corium(***)to 17.37 mg gallic acid equivalents/g DW in Oscillatoria fremyii(***).Total flavonoids ranged between 0.74 mg quercetin equivalent/g DW in *** and 9.87 mg quercetin equivalent/g DW in Nannochloropsis ***-a pigment was high in Chaetoceros calcitrans(***)(15.51 mg/g DW)and low in ***(1.08 mg/g DW).Chlorophyll-c ranged between 0.07 mg/g DW in Nannochloropsis oceanica and 4.62 mg/g DW in *** contents ofβ-carotene and astaxanthin were found in *** and low in *** which ranged from 0.33 to 10.03 mg/g DW and 0.18 to 3.85 mg/g DW,*** C content varied from 0.50 mg/g DW in *** to 1.51 mg/g DW in Phormidium *** showed highest total phycobiliproteins of 317.05 mg/g *** contents of allophycocyanin and phycocyanin were found in ***,whereas high contents of phycoerythrin were found in Oscillatoria *** the three phycobiliproteins were low in Chroococcus ***:Marine phytoplankton are one of the natural sources providing novel biologically active compounds with potential for pharmaceutical applications.

关键词： Marine phytoplankton phytochemical constituents Phenolics Pigments Phycobiliproteins

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Pineapple (<i>Ananas comosus</i>L. Merr.), Waste Streams, Characterisation and Valorisation: An Overview

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Open Journal of Ecology 2021年第9期11卷 610-634页

作者： Wafaa M. Hikal Abeer A. Mahmoud Hussein A. H. Said-Al Ahl Amra Bratovcic Kirill G. Tkachenko Miroslava Kačániová Ronald Maldonado Rodriguez Department of Biology Faculty of Science University of Tabuk Tabuk Saudi Arabia Water Pollution Research Department Environmental Research Division National Research Centre 33 El-Bohouth St. Dokki Giza Egypt Department of Botany (Plant Physiology Section) Faculty of Agriculture Cairo University Giza Egypt Medicinal and Aromatic Plants Research Department National Research Centre 33 El-Bohouth St. Dokki Giza Egypt Department of Physical Chemistry and Electrochemistry Faculty of Technology University of Tuzla Tuzla Bosnia and Herzegovina V. L. Komarov Botanical Institute of the Russian Academy of Sciences Saint Petersburg Russia Department of Fruit Science Viticulture and Enology Faculty of Horticulture and Landscape Engineering Slovak University of Agriculture Nitra Slovakia Department of Bioenergetics Food Analysis and Microbiology Institute of Food Technology and Nutrition University of Rzeszow Cwiklinskiej 1 Rzeszow Poland The Fluoromatics Laboratory 10 Rue du Vieux-Moulin 1213 Onex Geneva Switzerland

Processing pineapple industry produces huge amounts of waste thus contributing to worsen the global environmental problem. Valorising pineapple waste through further processing until it is transformed into valuable products using environmentally friendly techniques is both, a challenge, and an opportunity. The aim of this review is to characterize and highlight the phytochemical constituents of pineapple peel, their biological activity, and to evaluate the current state-of-art for the utilization of pineapple waste from the processing industry for obtaining pharmaceuticals, food, and beverages, biocombustibles, biodegradable fibers, and other different usage. Pineapple residues are rich in many bioactive compounds such as ferulic acid, vitamin A and C as antioxidant, and containing alkaloids, flavonoids, saponins, tannins, cardiac glycoside, steroids, triterpenoids and phytosterols may provide a good source of several beneficial properties, as well as bromelain that showed significant anticancer activity. Also, pineapple processing residues contain important volatile compounds used as aroma enhancing products and have high potential to produce value-added natural essences. Pineapple peels can be used as nonpharmacological therapeutical in the form of processed food and instant drinks;its potent natural antimicrobial properties may be applied for food conservation and as potential leads to discover new drugs to control some infectious microbial. Pineapple waste is a promising source of metabolites for therapeutics, functional foods, and cosmeceutical applications.

关键词： Pineapple Peel Ananas comosus phytochemical constituents Antioxidant Activity Anticancer Antimicrobial Activities

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Clinical and therapeutic potential of Aconitum heterophyllum

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Journal of Coastal Life Medicine 2015年第12期 1003-1005页

作者： Sadia Khurshid Muhammad Shoaib Amjad Kainat Fatima Malik Sidra Sabir Saboon Department of Botany Women University of Azad Jammu and KashmirBaghPakistan Department of Botany PMAS-Arid Agriculture UniversityRawalpindi46300Pakistan Department of Plant Sciences Quaid-i-Azam University IsalmabadPakistan

Aconitum heterophyllum is a plant that has very important medicinal *** of phytochemical constituents(metabolites)are extracted from this plant,especially diterpene alkaloids which are the main compounds having pharmacological activities such as analgesic and *** of the structures of these compounds was done by the technique of nuclear magnetic resonance.

关键词： Aconitum heterophyllum phytochemical constituents Herbs

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