棕榈油酸

产棕榈油酸酵母菌的分离和鉴定

Isolation and characterization of yeast producing palmitoleic acid

从江西共青葡萄园土壤样品中分离到一株产高含量棕榈油酸的酵母菌。

A strain of yeast producing a considerable amount of palmitoleic acid was isolated from a soil sample from grape garden of Gongqing , Jiangxi province , China .

为了探讨α－辅肌动蛋白与甘油二酯（DG）／棕榈油酸（PA）的作用机制，利用荧光能量转移、酶切及FTIR等方法研究了α－辅肌动蛋白与DG／PA的作用特性及其构象变化。

In order to further probe the mechanism of interaction of α - actinin with diacylglycerol ( DG ) / palmitic acid ( PA ), the binding characteristic and conformational change of α - actinin were investigated by means of fluorescence energy transfer , limited proteolysis and FTIR etc.

美国农业研究所已进行多年的研究，取得了很大的成就，但仍存在原料成本高、反应时间长和转化率低等缺点，且以棕榈油酸为原料合成Estolides酯尚未见报道。

The problems of high cost for row materials , long reaction time and low conversion are existed , though famous scholars from USDA researched many years ago and achieved great progress . There was no report on estolides esters that synthesized by palm-oleic acid .

进口棕榈油酸价的测量不确定度的评定

The Evaluation of Uncertainty in Palm Oil Determination of Acid Value

一株产棕榈油酸的酵母菌的产酸条件的研究

Conditions for Producing Palmitoleic Acid by Yeast

研究表明棕榈油酸甲酯可以有效杀死朱砂叶螨，作为新型农药具有良好的开发前景。

The result from the experiment also indicated that the Methyl cis-9-hexadecenoate had a prospect to be a new resource of botanical acaricide .

油脂脂肪酸中含有65%以上不饱和油酸和亚油酸，其中棕榈油酸2.342%；

Unsaturated oleic acid and linoleic acid were over 65 % in fatty acid of lipids . The main composition of lipids were : hexadecenoic acid 2.342 % ;

不同品种（系）间脂肪和脂肪酸变异程度不同，其中棕榈油酸含量变异最大，变异系数为74.84%；

The variation degree of crude lipid and fatty acids among cultivars ( lines ) was different , the variation coefficient of palmitoleic acid content was 74.84 % , was the highest .

产脂和产棕榈油酸分析表明，融合子的产脂量为菌体干重的48.53%，其中棕榈油酸占油脂总量的47.29%，为菌体干重的22.95%。

The weight of oil and fat producing by fusants was 48.5 % of dried cell . Palmitoleic acid was 47.29 % of total oil and fat , which accounted for 22.95 % of dried cell .

结果表明：沙棘果油中脂肪（酸）含量为24.9%，其中主要成分为棕榈油酸（42.06%）、棕榈酸（28.11%）和油酸（12.29%）。

The results showed the fat content was 24 . 9 % in fruit pulp oil . ulp oil is rich in palmitoleic acid ( 42 . 06 % ), palmitic acid ( 28.11 % ) and oleic acid ( 12 . 92 % ) .

本次所研究的9种太湖鱼类均属于极低脂肪鱼类，鱼体内脂肪酸的含量与鱼体的脂肪含量呈正相关，其肌肉组织的脂肪酸组成以棕榈酸、油酸及DHA为主。

The concentrations of fatty acids were significantly positively correlated to the lipid contents in fish . Palmitic acid , oleic acid , and DHA were the predominant fatty acids in all species .

结果表明，猪油甘油三酯中的脂肪酸主要是棕榈酸和油酸（分别占总量的2661%和4318%），其中油酸主要分布于sn1,3位上，而棕榈酸分布于sn2位上。

The results showed that palmitic and oleic acids were the major components in lard , ( accounting ) for 26.61 % and 43.18 % respectively . Among these , palmitic acid mainly locates at sn-2 position , while oleic acid at sn-1,3 positions .

对南瓜子油进行气相色谱分析发现南瓜子的脂肪酸主要由棕榈酸、油酸和亚油酸构成。

The pumpkin seed oils consisted mainly of linoleic acid , oleic acid and palmitic acid .

其中主要成分为：棕榈酸，油酸和亚油酸。

Of them the major fatty acids were : hexadecanoic acid ; 13-octadecenoic acid and9,12-octadecadienoic acid .

所测样品中蛋白质、粗脂肪的平均含量分别为4180%和3172%，样品所含主要脂肪酸为棕榈酸、油酸、亚油酸。

The average contents of protein and crude fat were 41 80 % and 31.72 % , respectively .

棉仁棕榈酸、油酸、硬脂酸含量变化品种间差异较小，豆蔻酸和亚油酸变化趋势相反，品种间存在差异；

The effect of varieties on the content change of palmitic acid , oleic acid and sterne acid was small , but it was opposite to the change of cardman acid and linoleic acid contents .

小麦粗脂肪含量与棕榈酸、油酸、亚油酸和棕榈油酸含量呈正相关，与硬脂酸和亚麻酸含量呈负相关，但相关性均未达到显著水平。

Crude lipid content exhibited positive correlation with the content of palmitic acid , oleic acid , linoleic acid and palmitoleic acid . Crude lipid content showed negative correlation with stearic acid and linolenic acid content .

对橘仁油的理化性质和成分进行了分析，结果表明橘仁油主要由7种脂肪酸组成，其中棕榈酸、油酸、亚油酸含量分别为25.1%、25.4%、38.1%；

Seven kinds of fatty acids were found in orange kernel oil . The higher content of which are palmitic acid 、 oleic acid and linoleic acid , the content were 25.1 % 、 25.4 % and 38.1 % , respectively .

铝处理后，两品种小麦根液泡膜的棕榈酸和油酸含量增加，亚麻酸含量下降，不饱和指数也随之下降，其中Scout66下降更为明显。

After Al treatment , the palmitic acid and stearic acid contents increased , the linolenic acid content and the unsaturation index of fatty acids decreased in both cultivars , but those in Scout 66 more distinctly ( Table 3 ) .

结果：共鉴定出4种脂肪酸，分别为棕榈酸、油酸、亚油酸、α-亚麻酸，相对百分含量分别为7.094%，21.032%，17.588%，54.285%。

RESULTS 4 fatty acids were found in it , they were palmitic acid , oleic acid , linoleic acid ,α - linoleic acid , and their relative contents were ( 7.094 % ),( 21.032 % ),( 17.588 % ),( 54.285 % ) respectively .

对甘肃省116份胡麻地方品种的重要品质指标&粗脂肪、硬脂酸、棕榈酸、油酸、亚油酸、亚麻酸含量和碘值进行测定，并根据这些品质指标对供试品种进行聚类分析。

The important quality indexes of 116 landrace varieties of flax from Gansu were determined , including crude fat , stearic acid , palmitic acid , oleic acid , linoleic acid , and linolenic acid contents and iodine values , and their cluster analysis were conducted .

草鱼和脆肉鲩肌肉中均含有大量的棕榈酸、油酸、亚油酸，脆肉鲩肌肉脂肪酸中不饱和脂肪酸的比例（70.52%）高于草鱼的（65.04%）。

The primary fatty acids were palmitic acid , oleic acid and linoleic acid . The majority of fatty acid were unsaturated fatty acid , while crisp grass carp muscle had a higher content ( 70.52 % ) of unsaturated fatty acid than grass carp ( 65.04 % ) .

结果指出，鸡的FA组成以油酸、棕榈酸、亚油酸、硬脂酸为主，约占FA总量的85%。

The results showed that fat acid of chicken meat mainly consisted of oleic acid , palmitic acid , linoleic acid , and stearic acid , amounting to 85 % .

其三甘酯组成与可可脂极为相似，主要三甘酯为POS与SOS（P：棕榈酸；O：油酸；S：硬脂酸）。

The major triglycerides of this pro-duct is POS and SOS ( P : palmitic acid ; O : oleic acid ; S : stearic acid ) .

O3还影响大豆籽粒脂肪酸组分的相对含量，棕榈酸、亚油酸、亚麻酸含量都有所降低，硬脂酸和油酸含量有所升高。

Relative contents of fatty acid component were also affected by ozone . There were decrease in contents of palm acid , linoleic acid and linolenic acid , whereas increment in contents of stearic acid and oleic acid .

在低盐浓度下棕榈酸、亚油酸降低，油酸、硬脂酸、亚麻酸相对含量及IUFA（脂肪酸不饱和指数）提高。

The relative content of palmitic acid and linoleic acid decreased at low concentration of salt , while that of stearic acid , oleic acid and linolenic acid and IUFA ( index of unsaturated fatty acid ) increased .

脂肪酸中含有较大量的油酸、棕榈酸、棕榈油酸、花生四烯酸和二十碳五烯酸。

There are lots of oleic acid , palmitic acid , palmitoleic acid , arachidonic acid and EPA in fatty acid .

冷榨油脂肪酸的主要成分是棕榈酸、亚油酸、油酸和硬脂酸。

The main components of fatty acid of cold-pressed camellia oil are palmitic acid , linoleic acid , oleic acid and stearic acid .

油酸、棕榈酸、亚油酸、谷氨酸、天门冬氨酸、精氨酸是风鸭风味的主要呈味物质。

Oleic acid , palmitic acid , linoleic acid , Glu , Asp and Arg were main flavour material of air drying duck .