Results 121 to 130 of about 42,028 (236)

Triterpenes in breast cancer: a systematic review of preclinical evidence in rodents

open access: yesFrontiers in Pharmacology
IntroductionBreast cancer poses a significant health problem for women worldwide due to late-stage diagnosis, toxicity of standard therapy and drug resistance.
Alexandra Prodea   +14 more
doaj   +1 more source

Triterpene Production in Centella Asiatica (L.) Urban (Pegaga) Callus and Cell Suspension Cultures [PDF]

open access: yes, 2004
Centella asiatica or locally known as ‘Pegaga’ is one of the most common medicinal plants used by diverse ancient cultures and tribal groups. Its medicinal values are mainly attributed to the presence of the triterpene constituents.
Ling, Anna Pick Kiong
core  

Feasibility of Integrating Tripterygium wilfordii into Modern Cancer Therapy for Increased Efficacy with Minimal Toxicity [PDF]

open access: yes, 2016
Cancer is the second leading cause of death in the U.S., and millions of novel cancer cases are being diagnosed each year. While chemotherapy and ionizing radiation are effective treatments against these malignant tumors, the adverse effects that ...
Vo, Andy
core   +1 more source

Vitellaria paradoxa Nut Triterpene-Rich Extract Ameliorates Symptoms of Inflammation on Post-Traumatic Osteoarthritis in Obese Rats

open access: yesJournal of Pain Research, 2020
Sabri Sudirman, Chun-Kai Chen, Bing-Ting Long, Heng-Wei Chang, David Tsou, Zwe-Ling Kong Department of Food Science, National Taiwan Ocean University, Keelung City 20224, TaiwanCorrespondence: Zwe-Ling KongDepartment of Food Science, National Taiwan ...
Sudirman S   +5 more
doaj  

Paleoproterozic Icehouses and the Evolution of Oxygen Mediating Enzymes: The Case for a Late Origin of Photosystem -- II [PDF]

open access: yes, 2008
Two major geological problems regarding the origin of oxygenic photosynthesis are: (1) identifying a source of oxygen predating biological oxygen production and capable of driving the evolution of oxygen tolerance, and (2) determining when oxygenic ...
Kirschvink, Joseph L., Kopp, Robert E.
core  

Saponins and Sapogenins from Brachiaria decumbens Stapf

open access: yesJournal of the Brazilian Chemical Society, 2002
Four steroidal saponins and three sapogenins were identified from aerial parts of Brachiaria decumbens. Their structures were established by chemical and spectroscopic means (¹H and 13C NMR, HMBC, HMQC) as 3beta-methoxy-lanost-9(11)-ene (1), diosgenin ...
Pires Viviane S.   +3 more
doaj  

Bioassay-Guided Isolation and Identification of Bioactive Compounds from Garcinia Penangiana Leaves [PDF]

open access: yes, 2005
Preliminary screening was done on 18 extracts of different parts of Garcinia sp. These extracts were tested on cytotoxic assay by using MTT Tetrazolium method on MCF-7 cells (hormone dependent breast cancer cells), DU145 (prostate cancer cells), H460 (
Jabit, Mohd Lip
core  

Triterpenóides pentacíclicos das folhas de Terminalia brasiliensis

open access: yesQuímica Nova, 2005
Eleven oleanane, ursane and lupane-type triterpenes were isolated from the leaves of Terminalia brasiliensis Camb, daturadiol (3b,6beta-dihydroxy-olean-12-ene), 3beta-hydroxy-30-norlupan-20-one, lupenone, beta-amyrenone, alpha-amyrenone, lupeol, beta ...
Araújo Delton Sérvulo   +1 more
doaj  

Exogenous Methyl Jasmonate Promotes Triterpene Accumulation in Loquat Callus. [PDF]

open access: yesFoods
Zhang R   +10 more
europepmc   +1 more source

Safety and efficacy of a feed additive consisting of an extract from the dried leaves of <i>Hedera helix</i> L. (common ivy extract) and thymol for all animal species and categories except poultry, ornamental birds and all aquatic animal species (FEFANA asbl). [PDF]

open access: yesEFSA J
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +22 more
europepmc   +1 more source

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