ChemInform Abstract: Pressure Tuning IR Spectroscopy of Two Phospholipids and Their Common Fatty Acid

ChemInform ◽  
2010 ◽  
Vol 22 (1) ◽  
pp. no-no
Author(s):  
W. W. LEY ◽  
H. G. DRICKAMER
Keyword(s):  
Fatty Acid ◽  
Ir Spectroscopy ◽  
Pressure Tuning ◽  
Common Fatty Acid

scholarly journals Medelamine C, A New ω-Hydroxy Alkylamine Derivative from Endophytic Streptomyces sp. YIM 66142

2014 ◽  
Vol 9 (1) ◽  
pp. 1934578X1400900
Author(s):  
Ju-Cheng Zhang ◽  
Ya-Bin Yang ◽  
Hao Zhou ◽  
Tian-Feng Peng ◽  
Fang-Fang Yang ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Biosynthetic Pathway ◽  
2D Nmr ◽  
Sw480 Cell ◽  
Hydroxyl Group ◽  
Genus Streptomyces ◽  
Streptomyces Sp ◽  
Endophytic Streptomyces ◽  
Common Fatty Acid ◽  
Mcf 7

A new alkylamine derivative and a common fatty acid were isolated from Streptomyces sp. YIM 66142. On the basis of spectral data, including HRMS, NMR and 2D NMR, their structures were determined as medelamine C (1) and isomyristic acid (2). The ω-hydroxyl group in structure 1 is rare in a natural alkylamine. The possible biosynthetic pathway in the genus Streptomyces from isomyristic acid (2) to medelamines is proposed. Compound 1 showed no obvious cytotoxicity against HL-60, SMMC-7721, A-549, MCF-7, SW480 cell lines. The ω-hydroxyl and the acetyl at NH in compound 1 decreased its cytotoxicity in comparison with that of medelamine.

scholarly journals Fatty Acid Methyl Ester Analysis of Some Oil Plants Found in Bihar, India: A Comparative Study

2019 ◽  
pp. 1-13
Author(s):  
Manish Kumar Kanth ◽  
Chandrawati Jee ◽  
Anit Kumar ◽  
Abhijeet Kashyap ◽  
Rupam Kumari ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Methyl Ester ◽  
Fatty Acid Methyl Ester ◽  
Alternative Fuels ◽  
Low Cost ◽  
Acid Methyl Ester ◽  
Seed Kernel ◽  
Acid Methyl ◽  
Soxhlet Apparatus ◽  
Common Fatty Acid

Today’s developmental world needs large amount of energy. Due to the limited fossil fuel source, there is need of some alternate fuel sources among which biodiesel from vegetable oil widely practiced. There is an increasing interest in India to search for suitable low cost alternative fuels that are Eco friendly. Biodiesel is a renewable, biodegradable and non toxic fuel. In this paper an attempt has been made to study and compare the oil percentage and Fatty acid methyl ester (FAME) components of three non edible oil seed plants abundantly found in Bihar, India. Oil from the seed kernel was extracted by solvent extraction technique through Soxhlet apparatus using n-hexane as solvent. Percentage oil content for Jetropha, Mahua and Castor are found around 76 %, 41% and 33% respectively. Further extracted oil were analysed by GC-MS for their FAME components. Palmitic, linoleic, oleic are most common fatty acid found among three.

Determination of Dimers and Polymers in Heated Fats and Oils by Sublimation

1969 ◽  
Vol 52 (5) ◽  
pp. 958-963
Author(s):  
Anita Huang ◽  
David Firestone
Keyword(s):  
Fatty Acid ◽  
Fatty Acid Methyl Esters ◽  
Methyl Esters ◽  
Fats And Oils ◽  
Dimer Acid ◽  
Fresh Vegetable ◽  
Oxidized Oil ◽  
Acid Methyl ◽  
Common Fatty Acid

Abstract A sublimation procedure is described for separating dimers and polymers from oxidized or polymerized fats and oils. Under the described conditions, involving sublimation at 90°C and 0.02–0.05 mm Hg pressure, common fatty acid methyl esters standards yielded 99–2100% sublimate, methyl esters of commercial vegetable oils yielded 97.4-99.2% sublimate, heated cottonseed oils yielded 64–83% sublimate, a thermal dimer acid yielded 1.0% sublimate, and laboratory-prepared oxidative dimers and polymers yielded 7.5% sublimate. A comparison of the sublimation procedure with urea adduction gave good correlations with thermally oxidized oil samples; however, with fresh vegetable oil or with samples consisting of predominantly thermal or oxidative dimers, sublimation gave more accurate results than urea adduction.

scholarly journals Genetic and chemical diversity in seeds of cactus mandacaru (Cereus sp.) from two edaphoclimatic regions contrasting

2015 ◽  
Vol 87 (2) ◽  
pp. 765-776 ◽  
Author(s):  
Maycon R.R. Bevilaqua ◽  
Arquimedes P. Santana Filho ◽  
Claudete A. Mangolin ◽  
Arildo J.B. Oliveira ◽  
Maria De Fátima P.S. Machado
Keyword(s):  
Oleic Acid ◽  
Fatty Acid ◽  
Genetic Differences ◽  
Chemical Diversity ◽  
Genetic Identity ◽  
Semiarid Region ◽  
The South ◽  
Common Fatty Acid

The purpose of this study was to evaluate the chemical, physiological and genetic differences in seeds of cactus of the Cereus genus (mandacaru) cultivated in the Northeast (Picos, State of Piauí) and Southern (Maringá, State of Paraná) regions of Brazil. Over a period of eight days, temperatures of 25°C and 30°C were equally efficient for the germination of all the seeds. Oleic acid (C18:1) was the most common fatty acid found in the seeds collected in the Southern (41%) and Northeast (45.5%) regions. The analysis of lipases indicated that seeds from Maringá have high mean observed and expected heterozygosities and that seeds from Picos have a higher number of alleles per loci. Therefore, the seeds of mandacaru from the semiarid region of Northeast as well as the seeds from the South (the two contrasting regions of Brazil) are promising with regards to the preservation of the biodiversity in the genome of mandacaru. The low genetic identity between mandacaru seeds from Maringá and Picos at Lipase-5 locus analysis (I = 0.77) suggests that the mandacaru plants from Maringá and Picos may correspond to two species: C. peruvianus and C. jamacaru, respectively.

scholarly journals SINTESIS SURFAKTAN TURUNAN AMIDA YANG DIPEROLEH DARI REKASI METIL RISINOLEAT DAN ETILENDIAMINA

2018 ◽  
Vol 15 (2) ◽  
pp. 94
Author(s):  
Daniel Tarigan ◽  
Magdaleni Rahayu Agustina ◽  
Soerja Kosenarpadi
Keyword(s):  
Fatty Acid ◽  
Ir Spectroscopy ◽  
Column Chromatography ◽  
Castor Oil ◽  
Base Catalyst ◽  
Titration Method ◽  
Acid Methyl ◽  
Ft Ir ◽  
Ft Ir Spectroscopy

Interesterification of castor oil with methanol using base catalyst gave mixture of fatty acid methyl esther (FAME) castor oil. Methyl risinoleate as major composition of methyl esther castor oil was subjected to column chromatography using petroleum ether:diethyl ether (19:1, v/v) as eluent, to give yield 73%. Amidation of methyl risinoleate with ethylendiamine under refluks condition using benzene as solvent for  ± 12 hours and catalyst NaOCH3, gave 1,3–Dirisinoleil-Etilendiamida compound and 59% yield. The reactioned product 1,3–Dirisinoleil-Etilendiamida has been confirmed its structure using FT-IR spectroscopy, and Hidrofile Lipofile Balance (HLB) value was determined by titration method 12,56

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