Results 111 to 120 of about 49,819 (301)

Analysis of major triterpene acids and total polysaccharides in the leaves of 11 species of Eriobotrya

open access: yesBIO Web of Conferences, 2017
Loquat (Eriobotrya japonica) is a subtropical tree with commercially important fruit and with leaves that have medicinal uses against cough and asthma.
Hong Yanping   +4 more
doaj   +1 more source

Gene expression profiling reveals effects of Cimicifuga racemosa (L.) NUTT. (black cohosh) on the estrogen receptor positive human breast cancer cell line MCF-7 [PDF]

open access: yes, 2007
BACKGROUND: Extracts from the rhizome of Cimicifuga racemosa (black cohosh) are increasingly popular as herbal alternative to hormone replacement therapy (HRT) for the alleviation of postmenopausal disorders. However, the molecular mode of action and the
Gaube, F.   +4 more
core   +2 more sources

Activity Against Pythium insidiosum and Isolated Constituents of Cordia insignis Roots

open access: yesChemistry &Biodiversity, Volume 23, Issue 2, February 2026.
This study investigates the roots of Cordia insignis in search of novel treatments for pythiosis, caused by the oomycete Pythium insidiosum. Seven compounds are isolated, including steroids, a saponin, a coumarin, a fatty acid, and a glycoside, the latter two are reported for the first time in the genus.
Rennan Carlos de Oliveira   +8 more
wiley   +1 more source

Olive oil [PDF]

open access: yes, 2007
Analyses of phytosterol classes of olive and hazelnut oils collected from different countries by TLC, GC and GC-MS revealed considerable quantitative differences.
Azadmard-Damirchi, Sodeif
core   +1 more source

Three Triterpenes and a Triterpene Ferulate from Rhoiptelea chiliantha.

open access: yesChemical and Pharmaceutical Bulletin, 1998
Three new triterpenes and a new triterpene ferulate were isolated from the bark of Rhoiptelea chiliantha DIELS et HAND.-MAZZ.(Rhoipteleaceae). Their structures were elucidated on the basis of spectral and chemical evidence.
Zhi-Hong JIANG   +3 more
openaire   +2 more sources

Action of Betulinic Acid in the Inhibition of Efflux Pump NorA in Staphylococcus aureus Strains: In Vitro and In Silico Approaches

open access: yesChemistry &Biodiversity, Volume 23, Issue 2, February 2026.
ABSTRACT Antibiotic resistance poses a serious challenge to public health, particularly in the case of Staphylococcus aureus, a Gram‐positive bacterium that employs multiple resistance mechanisms, including efflux pumps such as NorA, which extrude antimicrobial compounds from the cell and reduce antibiotic efficacy. Therefore, the search for substances
Camila Aparecida Pereira da Silva   +10 more
wiley   +1 more source

Uncovering the Anti-Angiogenic Mechanisms of Centella asiatica via Network Pharmacology and Experimental Validation

open access: yesMolecules
Background: Centella asiatica (CA) has been used to address cancer for centuries in traditional Chinese medicine (TCM). Previous studies demonstrated its anti-angiogenesis efficacy, but the underlying mechanism of its action remains to be further ...
Bingtian Zhao   +9 more
doaj   +1 more source

Constituintes químicos das folhas de Senna spectabilis (DC) Irwin & Barneby var. excelsa (Schrad.) Irwin & Barneby

open access: yesQuímica Nova, 2010
From leaves of Senna spectabilis var. excelsa were isolated caffeine, the triterpenes lupeol, α-amyrin, β-amyrin, cycloeucalenol, friedelin and ursolic, oleanolic and betulinic acids, besides the steroids sitosterol and stigmasterol and their respective ...
Fábio de Oliveira Silva   +3 more
doaj   +1 more source

Uncovering the Key Factors Influencing Phytochemical and Phytopharmacological Properties During Medicinal Plant Processing

open access: yeseFood, Volume 7, Issue 1, February 2026.
From farm to pharma, this review details the engineering of quality in medicinal plants through a science‐driven approach: it first elucidates how genetic and environmental factors inscribe the plant's phytochemical and phytopharmacological profile before harvest, and then dissects the postharvest techniques and technologies—chemical and thermal pre ...
Elyas Aryakia
wiley   +1 more source

Cytotoxic Effects of Ardisiacrispin A from Labisia pumila on A549 Human Lung Cancer Cells

open access: yesLife
Background: Lung cancer is the predominant cause of cancer-related fatalities. This prompted our exploration into the anti-lung cancer efficacy of Labisia pumila, a species meticulously selected from the preliminary screening of 600 plants.
Yeong-Geun Lee   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy