نتایج جستجو برای: sterol composition

تعداد نتایج: 267992  

Journal: :journal of food biosciences and technology 2016
m. homapour m. ghavami z. piravivanak e.s. hosseini

olive oil in general due to it monounsaturation, stability, nutritive value, consistency, taste andaroma might be considered as a valuable and luxury oil. annual importation of olive oil to iran frommediterranean countries is on a large scale although some olive oils are produced in iran particularly in the northand some plantation has been applied in different provinces particularly in fars. t...

Journal: :journal of agricultural science and technology 2010
m. derakhshan-honarparvar m. m. hamedi m. kh. pirouzifard

rice bran sterols have antioxidant activity as well as physiological and biological effects. because of these benefits, the aim of this study is evaluating the quantity and quality of iranian rice bran sterols. three widespread iranian rice cultivars (khazar, hashemi, and alikazemi) were used for determination of their sterol contents. two methods of sample preparation were compared and the bet...

2010
Maike Piepho Dominik Martin-Creuzburg Alexander Wacker

Sterol profiles of microalgae and their change with environmental conditions are of great interest in ecological food web research and taxonomic studies alike. Here, we investigated effects of light intensity and phosphorus supply on the sterol content of phytoplankton and assessed potential interactive effects of these important environmental factors on the sterol composition of algae. We iden...

Journal: :Eiyo To Shokuryo 1973

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2006
Salvatore De Rosa Katya Seizova Zornitsa Kamenarska Assia Petrova Carmine Iodice Kamen Stefanov Simeon Popov

The sterol and fatty acid composition of three Adriatic Sea sponges (Geodia cydonium and two unidentified Tedania sp.), collected at the same time and same place, was established. Twenty-four sterols and forty fatty acids were identified. The identical ecological conditions, including the diet, allowed us to apply the results obtained for taxonomical conclusions, based on the biodiversity of th...

Journal: :Journal of lipid research 1982
D A Rintoul N Neungton D F Silbert

A series of LM cell variants resistant to filipin, but not auxotrophic for sterol, was isolated by plating mutagenized, filipin-treated cells on soft agar medium containing no sterol. Cloned variants were assayed for growth in the presence and absence of sterol or unsaturated fatty acid. Filipin-resistant clones whose growth rate was unaffected by the addition of sterol to the medium were furth...

Journal: :Antimicrobial agents and chemotherapy 2002
F Peyron A Favel R Calaf A Michel-Nguyen R Bonaly J Coulon

The sterol and fatty acid compositions of four amphotericin B-resistant and of two amphotericin B-susceptible Candida lusitaniae clinical isolates were determined. A flow cytofluorometric susceptibility test (FCST) with a membrane potential-sensitive cationic dye was used as a complement to the conventional method for selecting the isolates. Compared to susceptible isolates, resistant ones show...

Journal: :Journal of experimental botany 2005
Yoshihiro Hase Shozo Fujioka Shigeo Yoshida Guoqing Sun Masaaki Umeda Atsushi Tanaka

The Arabidopsis frill1 (frl1) mutant, that has serrated petals and sepals but no other large changes in plant morphology, was studied. The frl1 had a mutation in STEROL METHYLTRANSFERASE 2 and an altered sterol composition. It was found that the frl1 mutation causes ectopic endoreduplication in petal tips that do not normally endoreduplicate. The rosette leaves of frl1 also showed an enhanced l...

2014
Henrik Zauber Asdrubal Burgos Prashanth Garapati Waltraud X. Schulze

The plasma membrane is an important organelle providing structure, signaling and transport as major biological functions. Being composed of lipids and proteins with different physicochemical properties, the biological functions of membranes depend on specific protein-protein and protein-lipid interactions. Interactions of proteins with their specific sterol and lipid environment were shown to b...

Journal: :Journal of lipid research 1971
N McIntyre K Kirsch J C Orr K J Isselbacher

The sterol content and composition of the small intestinal muccsa has been studied in the rat, guinea pig, and rabbit. In the three species, noncholesterol sterols formed a large proportion of the total sterol content. In the rat, the contribution due to plant sterols was much smaller than in the guinea pig and rabbit, but in all three species the amount of campesterol present seemed disproport...

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