Journal ArticleDOI
Polyphenols and alkaloids from piper species
Virinder S. Parmar,Subhash C. Jain,Sangita Gupta,S. Talwar,Vivek K. Rajwanshi,Rajesh Kumar,Abul Azim,Sanjay Malhotra,Naresh Kumar,Rajni Jain,Nawal K. Sharma,O. D. Tyagi,Stephen J Lawrie,William Errington,Oliwer W Howarth,Carl Erik Olsen,Sanjay K.Singh¶andJesper Wengel +16 more
Reads0
Chats0
TLDR
In this paper, twelve Piper species were extracted from the stems and leaves of P. manii and β-sitosteryl palmitate was obtained for the first time from P. brachystachyum.About:
This article is published in Phytochemistry.The article was published on 1998-10-27. It has received 130 citations till now. The article focuses on the topics: Piperlonguminine & Piper.read more
Citations
More filters
Journal ArticleDOI
The chalcone synthase superfamily of type III polyketide synthases.
Michael B. Austin,Joseph P. Noel +1 more
TL;DR: A major focus of this review is the integration of information from genetic and biochemical studies with the unique insights gained from protein X-ray crystallography and homology modeling, which generated a number of new predictions regarding both the importance and mechanistic role of various amino acid substitutions observed among functionally diverse type III PKS enzymes.
Journal ArticleDOI
A review of Piper spp. (Piperaceae) phytochemistry, insecticidal activity and mode of action
TL;DR: The conclusions of the current work with Piperaceae are that Piper extracts offer a unique and useful source of biopesticide material for controlling small-scale insect out-breaks and reducing the likelihood of resistance development when applied as a synergist with other botanical insecticides such as pyrethrum.
Journal ArticleDOI
Naturally occurring aristolactams, aristolochic acids and dioxoaporphines and their biological activities
TL;DR: Aristolactams, having a phenanthrene chromophore are a small group of compounds mainly found in the Aristolochiaceae together with the aristolochic acids and 4,5-dioxoaporphines, which are reviewed and classified on the basis of their oxygenation pattern.
Journal ArticleDOI
Chemical composition and larvicidal activity of essential oils from Piper species
Selene Maia de Morais,Valdir Alves Facundo,Luciana Medeiros Bertini,Eveline Solon Barreira Cavalcanti,João Francisco dos Anjos Júnior,Silane Aparecida Ferreira,Edy Sousa de Brito,Manoel Alves de Souza Neto +7 more
TL;DR: The larvicidal activity of essential oils of four species of Piper from the Amazon Forest was tested using third-instar larvae of Aedes aegypti using steam distillation and analyzed by GC and GC–MS.
References
More filters
Book
Indian Medicinal Plants
TL;DR: Indian medicinal plants/, Indian medicinal plants /, مرکز فناوری اطلاعات و اصاع رسانی, کδاوρزی
Journal ArticleDOI
Phytochemistry of the genus Piper
Virinder S. Parmar,Subhash C. Jain,Kirpal S. Bisht,Rajni Jain,Poonam Taneja,Amitabh Jha,O. D. Tyagi,Ashok K. Prasad,Jesper Wengel,Carl Erik Olsen,Per M. Boll,Per M. Boll +11 more
TL;DR: The secondary metabolites isolated from Piper species for the period 1907 to June 1996 have been reviewed in this paper, where nearly six hundred chemical constituents belonging to different classes of bioactive compounds are listed together with their source(s) and references.
Journal ArticleDOI
Biological activities of lignans
W.Donald MacRae,G.H.Neil Towers +1 more
TL;DR: This review summarizes what is presently known about the biological activities of lignans and specifically inhibit certain enzymes in angiosperms and gymnosperms.
Journal ArticleDOI
Alkaloids of Piper longum Linn—I : Structure and synthesis of piperlongumine and piperlonguminine
Asima Chatterjee,C.P. Dutta +1 more
TL;DR: Piperlongumine and piperlonguminine are shown to be N-(3,4,5-trimethoxycinnamoyl)-Δ5-piperidin-2-one and isobutylamide of piperic acid respectively.
Journal ArticleDOI
The Higher n-Aliphatic Acids and their Methyl and Ethyl Esters
F. Francis,S. H. Piper +1 more