Cholinesterase inhibiting withanolides from Withania somnifera

MI Choudhary, S Yousuf, SA Nawaz… - Chemical and …, 2004 - jstage.jst.go.jp
A total of two new (1, 2) and four known (3—6) withanolides were isolated from the whole
plant of Withania somnifera. Their structures were elucidated on the basis of spectroscopic …

Chlorinated and diepoxy withanolides from Withania somnifera and their cytotoxic effects against human lung cancer cell line

MI Choudhary, S Hussain, S Yousuf, A Dar - Phytochemistry, 2010 - Elsevier
Phytochemical studies on the aerial parts of Withania somnifera L. Dunal.(Solanaceae) led
to the isolation of a chlorinated steroidal lactone (27-acetoxy-4β, 6α-dihydroxy-5β-chloro-1 …

Purification and Characterization of an Active Principle, Lawsone, Responsible for the Plasmid Curing Activity of Plumbago zeylanica Root Extracts

RB Patwardhan, PK Dhakephalkar… - Frontiers in …, 2018 - frontiersin.org
Plasmid curing is the process of obviating the plasmid encoded functions such as antibiotic
resistance, virulence, degradation of aromatic compounds, etc. in bacteria. Several plasmid …

[PDF][PDF] Proximate and nutrient analysis of selected medicinal plants of Tank and South Waziristan area of Pakistan

Z Ullah, MK Baloch, JA Khader… - Afr. J. Pharm …, 2013 - academicjournals.org
Market is full of synthetic drugs having high prices, severe side effects and affecting the
environment whereas medicinal plants and the drugs derived from them are cheaper in cost …

Cytotoxic and other withanolides from aeroponically grown Physalis philadelphica

YM Xu, EMK Wijeratne, AD Brooks, P Tewary, LJ Xuan… - Phytochemistry, 2018 - Elsevier
Eleven withanolides including six previously undescribed compounds, 16β-
hydroxyixocarpanolide, 24, 25-dihydroexodeconolide C, 16, 17-dehydro-24-epi …

Withaferin A-related steroids from Withania aristata exhibit potent antiproliferative activity by inducing apoptosis in human tumor cells

GG LLanos, LM Araujo, IA Jiménez, LM Moujir… - European journal of …, 2012 - Elsevier
Six new withanolides (1–6) along with eleven known ones (7–17) were isolated from the
leaves of Withania aristata. Their structures were elucidated on the basis of spectroscopic …

Withanolide Structural Revisions by 13C NMR Spectroscopic Analysis Inclusive of the γ-Gauche Effect

H Zhang, BN Timmermann - Journal of Natural Products, 2016 - ACS Publications
A classic withanolide is defined as a highly oxygenated C28 ergostane-type steroid that is
characterized by a C22-hydroxy-C26-oic acid δ-lactone in the nine-carbon side chain …

Activity-Guided Isolation of Novel Norwithanolides from Deprea subtriflora with Potential Cancer Chemopreventive Activity

BN Su, EJ Park, D Nikolic, BD Santarsiero… - The Journal of …, 2003 - ACS Publications
Activity-monitored fractionation of a CHCl3-soluble extract of Deprea subtriflora using a
quinone reductase induction assay led to the purification of subtrifloralactones A− J (1− 10) …

Strategies for the discovery of bioactive phytochemicals

SO Duke, AM Rimando, FE Dayan… - … as Bioactive Agents, 2000 - taylorfrancis.com
DHYTOCHEMICALS with biological activity have had great utility as pharma-ceuticals and
pest-management agents. Through the 19 th century and into the first half of the 20 th …

Principal phenolic phytochemicals and antioxidant property in Eucalyptus bark

J Srivastava, PS Vankar - Nutrition & Food Science, 2012 - emerald.com
Purpose–The purpose of this paper is to carry out phytochemical investigations of different
extracts of Eucalyptus globulus bark such as aqueous, methanolic and supercritical carbon …