نتایج جستجو برای: β stigmasterol
تعداد نتایج: 177898 فیلتر نتایج به سال:
Phytochemical investigation of Strobilanthes crispus has led to the isolation of 1-heptacosanol (1), tetracosanoic acid (2), stigmasterol (3) from the hexane extract, a mixture of four C20-C24 fatty acid esters of βamyrin (4), taraxerol (5), taraxerone (6), a mixture of two C22 and C24 fatty acid esters of taraxerol (7) from the dichloromethane extract, 4-acetyl-2,7-dihydroxy-1,4,8-triphenyloct...
Wood compounds, especially sterols, are connected with the level of contamination with microscopic fungi. Within this study, tests were conducted on wood dust samples collected at various work stations in a pine and birch timber conversion plant. Their contamination with mycobiota was measured as the concentration of ergosterol (ERG) by ultra performance liquid chromatography (UPLC). Another ai...
The ethanolic and acetone extracts of the whole plant of Elephantopus scaber were found to contain ethyl hexadecanoate, ethyl-9,12-octadecadienoate, ethyl-(Z)9-octadecenoate, ethyl octadecanoate, lupeol, stigmasterol, stigmasterol glucoside, deoxyelephantopin (1) and two new germacranolide sesquiterpene lactones named 17,19-dihydrodeoxyelephantopin (2) and iso-17,19-dihydrodeoxyelephantopin (3)...
In this study, the physical and chemical properties of linseed oil sesame seed were measured compared. The results showed that nitrogen content, total protein amino acids in 3.27%, 20.39%, 92158.22 μg/g FW, respectively, 2.79%, 17.43%, 92246.59 FW seeds correspondingly. content unsaturated fatty such as linolenic acid linoleic was 290.57 μg/g, 0.55 3326.69 μg/g、0.24 oil. addition, contents palm...
Cirsium arvense (L.) Scop., commonly known as creeping thistle, is a weed of Asteraceae. This study was undertaken to explore various phytoconstituents present in flower this weed. To achieve goal, the dried flowers were soaked methanol for one week and filtered. methanolic extract subjected GC-MS analysis 7 compounds identified. These included olean-12-en-3-ol, acetate, (3β)- (63.87%), lanosta...
BACKGROUND Crotalaria pallida Ailton is a plant belonging to the Fabaceae family, popularly known as "rattle or rattlesnake" and used in traditional medicine to treat swelling of the joints and as a vermifuge. Previous pharmacological studies have also reported anti-inflammatory, antimicrobial and antifungal activities. Nevertheless, scientific information regarding this species is scarce, and ...
General phytochemical screening of the aqueous extract of fruits of Solanum xanthocarpum (Solanaceae) revealed the presence of steroids, terpenes, phenolic compounds, saponins, fatty acids, alkaloids. Fractionation of aqueous extract and activity guided isolation resulted in isolation of two white crystalline powder which were subjected to physical, chemical and spectral identification using IR...
A randomized, double-blinded, placebo-controlled and crossover study was conducted to simultaneously measure the effects, 3 h after consumption and after 4-wk daily exposure to plant sterols-enriched food product, on in vivo nitrite and nitrate production in healthy adults. Eighteen healthy participants (67% female, 35.3 [mean] ± 9.5 [SD] years, mean body mass index 22.8 kg/m2 ) received 2 soy ...
Development of analytical methods for the determination of phytosterols in whole grains is one of growing interests due to their clinical and nutritional functions in human. In this study, we examined simultaneous determination of β-sitosterol, stigmasterol and campesterol in Korean rice cultivars by liquid chromatography atmospheric chemical ionization time-of-flight mass spectrometer (LC-APCI...
Background: Pathogenic yeasts resistance to current drugs emphasizes the need for new, safe, and cost-effective drugs. Also, new inhibitors are needed to control the effects of enzymes that are implicated in metabolic dysfunctions such as cancer, obesity, and epilepsy. Methods: The anti-yeast extract from Terminalia mantaly (Combretaceae) was fractionated and the structures of the isolated comp...
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