نتایج جستجو برای: c21

تعداد نتایج: 717  

Journal: :Food chemistry advances 2022

This study was aimed at extraction optimization of antibacterial agents from Carica papaya seed against S. enteritidis, B. cereus, V. vulnificus and P. mirabilis as affected by sonication-assisted (SAE), contact time (CT) solid-to-solvent ratio (SSR). The principal component analysis (PCA) individual evaluation approaches identified that no SAE, 8 CT 1:10 SSR were the best treatments with highe...

Journal: :Chemical communications 2012
Piotr J Chmielewski Justyna Maciołek

Bis- and tris(methylated) derivatives of 3,3'-bis(N-confused porphyrin) were obtained. Methylation of C21 stabilizes the geometry of the axially chiral system allowing separation of enantiomers and assignment of an absolute configuration by X-ray methods.

Journal: :Italian Journal of Animal Science 2022

This study was carried out to investigate the effects of probiotics and Chinese medicine polysaccharides (CMP) on carcase characteristics, meat quality, muscle fibre type intramuscular fat deposition in lambs. Forty female lambs with 4-5 months old 21.69 ± 0.46 kg were randomly divided into four groups as follows: control, probiotics, CMP + groups. The results showed that supplemental increased...

Journal: :The Journal of General and Applied Microbiology 1969

2017
Pervin Vural Gulcan Kabaca Refia Deniz Firat Sevgin Degirmecioglu

OBJECTIVES The imbalance in oxidant/antioxidant status plays a pivotal role in diabetes mellitus (DM). Selenium is a integral component of the antioxidant enzyme glutathione peroxidase. Se treatment induces angiogenesis and improves endothelial function through increased expression of vascular endothelial growth factor (VEGF). The aim of this study is to investigate the effect of selenium on ox...

میدان نفتی مارون یکی از مهمترین میادین نفتی ایران در جنوب فروافتادگی دزفول شمالی در کمربند چین‎خورده زاگرس است که تحت مطالعه ژئوشیمی آلی قرار گرفته است. 23 نمونه بیتومن استخراج شده از سازندهای مخزن و منشاء گرو، گدوان، داریان، کژدمی، سروک، گورپی و پابده از چاه‎های متفاوت میدان نفتی مارون برای اولین بار انتخاب و با دستگاه کروماتوگرافی گازی- طیف‎سنج جرمی (GC-Ms) آنالیز و مورد مطالعه ژئوشیمیایی و ب...

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