نتایج جستجو برای: hexadecanoic acid
تعداد نتایج: 747453 فیلتر نتایج به سال:
Taxonogenomics combines phenotypic assays and genomic analysis as a means of characterizing novel strains. We used this strategy to study Marseille-P9898T strain, an aerobic, motile, Gram-negative, spore-forming, rod-shaped bacterium isolated from planarian Schmidtea mediterranea. is catalase-positive oxidase-negative. The major fatty acids detected are 12-methyl-tetradecanoic acid, 13-methyl-t...
The intention of this study was to compare the different parts Tunisian Ferula communis via their fatty acids, essential oils and phenolic compounds. Results showed that lipid fraction fruits leaves characterized by predominance oleic acid. Erucic linoleic acids were most abundant in stems while palmitic flowers. F. defined four chemotypes, namely isoshyobunone/6-tert-butyl-4-methylcoumarin ste...
Phlogacanthus cornutus is a rare species and the chemical profiles bioactivities of this plant are unknown. In present study, components acetone extract as well antioxidant activity its fractions such n-hexane, chloroform ethyl acetate P. were firstly reported. A total 33 constituents identify in using Gas Chromatography/Mass Spectrometry assay, which trans-cinnamic acid (21.26%), neophytadiene...
This study reports chemical composition of the essential oils and in vitro antioxidant, antimicrobial and cytotoxic activity of the volatile fraction, extracted using simulations steam distillation-solvent extraction (SDE) method, and methanolic extract from the stems and young leaves of Pterocarya fraxinifolia from Gilan, west-north of Iran for the first time. The extraction yield of volatile ...
Wild fruits are commonly consumed in the rural communities of South Africa. The information on their nutritionally important fatty acids is, however, limited. Three wild fruit species, Diospyros blancoi, Landolphia kirkii and Sclerocarya birrea from Limpopo Province were selected for evaluation of fatty acid content. Fatty acids composition of dried fruits of Diospyros blancoi (Db), Landolphia ...
The lipid profiles and fatty acid composition of fish eggs (roes) from two common freshwater fish species viz., catla (Catla catla) and mrigal (Cirrhinus mrigala) have been studied. The total lipid of the egg was extracted using chloroform/methanol (2:1, v/v) and was separated into neutral lipids, glycolipids and phospholipids using silica gel column chromatography. The fatty acid composition o...
Babaçu (A. speciosa), Buriti (M. flexuosa), and Macaúba (A. aculeata) are palm trees typical of the ecotone area between Cerrado and the Amazon rainforest. The purpose of this study was to evaluate the antimicrobial potential of the extracts prepared from the leaves of those palms as well as determine their chemical compositions. The ethanol extracts were prepared in a Soxhlet apparatus and tes...
Cladosporium (Amorphotheca) resinae was grown in shake culture on glucose, n-dodecane, or n-hexadecane. Growth was most rapid on glucose, and more acid accumulated in the medium than in n-alkane-grown cultures. Neutral lipid was the major lipid fraction and triglycerides were the only extracellular neutral lipids detected. Dodecanoic (lauir) acid was the predominant fatty acid (greater than 60%...
The enhancement of latent fingerprints, both at the crime scene and in the laboratory using an array of chemical, physical and optical techniques, permits their use for identification. Despite the plethora of techniques available, there are occasions when latent fingerprints are not successfully enhanced. An understanding of latent fingerprint chemistry and behaviour will aid the improvement of...
Phytochemistry and antioxidant activity of Amaranthus viridis L (Green leaf) were undertaken with standard methods. The leaf sample after being screening for phytochemicals, contained tannins, saponins, flavonoids, alkaloids, steroids, phenolic compounds, proteins anthraquinones at different concentrations. A further study using Gas Chromatography-Mass Spectrophotometry (GC-MS) analytic method ...
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