Results 61 to 70 of about 11,247 (220)

Grandine A, a New Proaporphine Alkaloid from the Bark of Phoebe grandis

open access: yesMolecules, 2009
The stem bark of Phoebe grandis afforded one new oxoproaporphine; (–)-grandine A (1), along with six known isoquinoline alkaloids: (–)-8,9-dihydrolinearisine (2), boldine, norboldine, lauformine, scortechiniine A and scortechiniine B. In addition to that
Khalijah Awang   +5 more
doaj   +1 more source

Phytochemical Screening and Antibacterial Activity of Leaves Extract Balangla (Litsea cubeba (Lour) Pers.) from Malinau, East Borneo [PDF]

open access: yes, 2015
Balangla (Litsea cubeba) plant is used as traditional medicine by Dayak Kenyah tribe in East Kalimantan. It contains active compounds that are efficient to treat many human diseases and believed to have an antibacterial activity. The purposes of
Manurung, Hetty   +2 more
core   +1 more source

Highly heterozygous Citrus changshan‐huyou Y. B. Chang originated from ancient hybridization between mandarin and pummelo and displayed distinct tissue‐specific allelic imbalance

open access: yesThe Plant Genome, Volume 19, Issue 2, June 2026.
Abstract The genus Citrus is characterized by a reticulate evolutionary history with frequent hybridization, making it an intriguing subject for genome evolution investigation. Citrus changshan‐huyou Y. B. Chang (Huyou) is a unique landrace first discovered in Zhejiang Province, China, with premium fruit quality.
Zhanghui Zeng   +14 more
wiley   +1 more source

Chemical constituents of the volatile oil from leaves of Annona coriacea and in vitro antiprotozoal activity [PDF]

open access: yes, 2011
The essential oil of the leaves from Annona coriacea Mart., Annonaceae, was extracted by hydrodistillation in a Clevenger apparatus and analyzed by GC/MS and GC/FID. The oil yield was 0.05% m/m.
FISCHER, Dominique C. H.   +7 more
core   +7 more sources

Monoaminergic, Ion Channel and Enzyme Inhibitory Activities of Natural Aporphines, their Analogues and Derivatives

open access: yesNatural Product Communications, 2008
The aporphine alkaloids constitute the second-largest group of isoquinoline alkaloids. Nevertheless, only a relatively small number of natural aporphines and their derivatives have been studied from a pharmacological viewpoint.
Bruce K. Cassels, Marcelo Asencio
doaj   +1 more source

Ziziphus budhensis Seed Extracts: Phytoconstituents and Preliminary In Vitro and In Vivo Biological Activities

open access: yesChemistry &Biodiversity, Volume 23, Issue 5, May 2026.
…. ABSTRACT Ziziphus budhensis (Rhamnaceae) is an endemic Nepalese species with significant religious and economic importance in Nepal, mainly due to the use of its seeds in religious ornaments. Its edible fruits and woody seeds are used for preparing Bodhichitta mala.
Samjhana Bharati   +6 more
wiley   +1 more source

Influence of Quaternary Benzophenantridine and Protopine Alkaloids on Growth Performance, Dietary Energy, Carcass Traits, Visceral Mass, and Rumen Health in Finishing Ewes under Conditions of Severe Temperature-humidity Index. [PDF]

open access: yes, 2015
Twenty Pelibuey×Katahdin ewes (35±2.3 kg) were used to determine the effects of the consumption of standardized plant extract containing a mixture of quaternary benzophenanthridine alkaloids and protopine alkaloids (QBA+PA) on growth performance, dietary
Aguilar-Hernández, A   +9 more
core   +2 more sources

Tetrandrine, a Major Alkaloid From Stephaniae Tetrandrae Radix, Ameliorates Non‐Alcoholic Fatty Liver Disease in Zebrafish via the PI3K/AKT/STAT3 Pathway

open access: yesFood Science &Nutrition, Volume 14, Issue 5, May 2026.
Tet regulates lipid metabolism and cell apoptosis to alleviate NAFLD. Integrated network pharmacology, Mendelian randomization, and experimental validation demonstrate that Tet activates the PI3K/AKT/STAT3 signaling axis, suppresses apoptosis, reduces hepatic lipid accumulation, and improves biochemical liver injury markers, supporting its potential as
Peng Sun   +11 more
wiley   +1 more source

Alkaloids Produced by Endophytic Fungi: A Review

open access: yesNatural Product Communications, 2012
In recent years, a number of alkaloids have been discovered from endophytic fungi in plants, which exhibited excellent biological properties such as antimicrobial, insecticidal, cytotoxic, and anticancer activities.
Yanyan Zhang   +5 more
doaj   +1 more source

Annona muricata (graviola): toxic or therapeutic [PDF]

open access: yes, 2008
This paper examines annona muricata (graviola): toxic or ...
Gray, A.I.   +7 more
core  

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