Results 131 to 140 of about 73,024 (308)

Studies on Polyethers Produced by Red Algae

open access: yesMarine Drugs, 2010
Two novel squalene-derived triterpenes, spirodehydrovenustatriol (3) and 14-keto-dehydrothyrsiferol (4) were isolated from the red alga Laurencia viridis, together with two new and unusual C17 terpenoids, adejen A (5) and B (6).
Francisco Cen-Pacheco   +5 more
doaj   +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

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

Synergistic Antitumour Properties of viscumTT in Alveolar Rhabdomyosarcoma [PDF]

open access: yes, 2017
Aqueous mistletoe extracts from the European mistletoe (Viscum album) contain mainly mistletoe lectins and viscotoxins as cytotoxic compounds. Lipophilic triterpene acids, which do not occur in conventional mistletoe preparations, were solubilised with β-
Delebinski, Catharina I.   +6 more
core   +3 more sources

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

Optimizing the process of supercritical extraction of lemon balm (Melissa Officinalis L.) [PDF]

open access: yes, 2010
This work investigates the process of extraction of lemon balm (Melissa officinalis L.) by treatment with carbon dioxide at supercritical conditions. The process kinetics is studied at different operational conditions, and the influence of some important
Angelov, George   +3 more
core   +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   +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

Transaminase Enzyme and Liver Histological Profile of Mice Administered Extract of Pegagan (Centella Asiatica (L.) Urban) [PDF]

open access: yes, 2011
The purpose of this study was to determine whether pegagan caused toxic effects on the liver. This study used completely randomized design with four treatments, ie 125, 200, 275 mg/kg BW and control, each treatment consisting of six replicates. Variables
Adi, T. T. (T)   +2 more
core  

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