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气相色谱内标法测定油脂中脂肪酸绝对含量
引用本文:刘润哲,张华,彭桦,杨稳权,何海涛. 气相色谱内标法测定油脂中脂肪酸绝对含量[J]. 粮油加工, 2014, 0(8): 37-39
作者姓名:刘润哲  张华  彭桦  杨稳权  何海涛
作者单位:国家磷资源开发利用工程技术研究分公司/云南磷化集团有限公司磷资源开发利用工程技术研究分公司,云南昆明650113
基金项目:国家“十二五”计划支撑项目(2013BAB07805)
摘    要:以十七酸甲酯为内标物,求取了十七酸甲酯相对于棕榈酸甲酯、硬脂酸甲酯、油酸甲酯、亚油酸甲酯和亚麻酸甲酯的校正因子。通过气相色谱面积归一化法对油脂中脂肪酸绝对含量进行了测定,所得结果准确,具有较强的实用价值。

关 键 词:油脂  气相色谱  内标法  十七酸甲酯  甘三酯

Determination of Absolute Triglyceride Content in Oil and Fat by Gas Chromatography Internal Standard Method
Liu Runzhe Zhang Hua Peng Hua YangWenquan He Haitao. Determination of Absolute Triglyceride Content in Oil and Fat by Gas Chromatography Internal Standard Method[J]. Cereals and Oils Processing, 2014, 0(8): 37-39
Authors:Liu Runzhe Zhang Hua Peng Hua YangWenquan He Haitao
Affiliation:Liu Runzhe Zhang Hua Peng Hua YangWenquan He Haitao (State Phosphorus Resource Development and Utilization Engineering Technology Research Phosphate Chemical Group Co., Ltd, Phosphate Resources Engineering Research Branch, Yunnan Province 650113)
Abstract:Using methyl heptadecanoate as internal standard, relative con'eetion factors were acquired between methyl heptadeeanoate and methyl palmitatek, methyl stearate, methyl oleate, methyl linoleate and Methyl linolenate. Absolute triglyceride content of soybean oil was delermined by gas chromatography area normalization method. Result was accurate, determination method was practical.
Keywords:Oil and fat   Gas chromatography   Internal standard method   Methyl heptadeeanoate   Triglyeeride
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