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| Analysis of lacquer oil component in four main producing areas in Nujiang and different processing methods based on GC-MS and PCA |
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| DOI： |
| KeyWord:lacquer oil producing area processing method gas chromatography-mass spectrometry component analysis principal component analysis |
| FundProject:国家中医药管理局全国中药资源普查项目（GZY-KJS-2018-004）; 怒江州黑漆新品种良种申报及繁育试验项目（NJLY2017003） |
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| Abstract: |
| In order to study the difference of lacquer oil component in different producing areas in Nujiang,compare the advantages and disadvantages of traditional(manual) and modern (machine-pressing) processes to produce lacquer oil, understand the differences between white lacquer oil and black lacquer oil,and find out other functional components in lacquer oil except fatty acid, the lacquer oil components in Nujiang were analyzed by gas chromatography-mass spectrometry(GC-MS)，and the fatty acid composition and content of lacquer oil from four different producing areas in Nujiang was evaluated by principal component analysis(PCA).The results showed that the fatty acids of lacquer oil from four different producing areas in Nujiang were mainly saturated fatty acid, but the contents were significantly different.The quality of lacquer oil in Lushui was better. The fatty acids contents in lacquer oil prepared by traditional process and mordern process were significantly different, and the two processes had their own advantages. There was little difference in the fatty acid content between white lacquer oil and black lacquer oil.Three ingredients, including azelaic acid, heptadecene and squalene, were detected from lacquer oil samples from four different producing areas, which played an important role in industrial production and medical care. |
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