Effects of Different Parts and Extraction Methods of Two Kinds of Lacquer Seeds in Nujiang on Fatty Acids of Lacquer Oil

Li XIE; Xin ZHAO; Shao-xiong WU; Peng LIU; Jian-yu ZHOU

doi:10.12259/j.issn.2095-610X.S20211103

Volume 42 Issue 11

Nov. 2021

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Li XIE, Xin ZHAO, Shao-xiong WU, Peng LIU, Jian-yu ZHOU. Effects of Different Parts and Extraction Methods of Two Kinds of Lacquer Seeds in Nujiang on Fatty Acids of Lacquer Oil[J]. Journal of Kunming Medical University, 2021, 42(11): 14-19. doi: 10.12259/j.issn.2095-610X.S20211103

Citation:

Li XIE, Xin ZHAO, Shao-xiong WU, Peng LIU, Jian-yu ZHOU. Effects of Different Parts and Extraction Methods of Two Kinds of Lacquer Seeds in Nujiang on Fatty Acids of Lacquer Oil[J]. Journal of Kunming Medical University, 2021, 42(11): 14-19. doi: 10.12259/j.issn.2095-610X.S20211103

Citation:

Li XIE, Xin ZHAO, Shao-xiong WU, Peng LIU, Jian-yu ZHOU. Effects of Different Parts and Extraction Methods of Two Kinds of Lacquer Seeds in Nujiang on Fatty Acids of Lacquer Oil[J]. Journal of Kunming Medical University, 2021, 42(11): 14-19. doi: 10.12259/j.issn.2095-610X.S20211103

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Effects of Different Parts and Extraction Methods of Two Kinds of Lacquer Seeds in Nujiang on Fatty Acids of Lacquer Oil

doi: 10.12259/j.issn.2095-610X.S20211103

1.
School of Public Health
2.
School of Pharmacy，Kunming Medical University， Kunming Yunnan 650500，China

Received Date: 2021-09-05
Available Online: 2021-11-15
Publish Date: 2021-11-30

Abstract

Abstract

Objective To study the difference of fatty acid composition of lacquer oil obtained from different raw materials and extraction methods of lacquer seed in Nujiang Prefecture of Yunnan Province. Methods Black and white lacquer seed were used as experimental materials to extract the oil by selecting different parts and extraction methods. The fatty acids in the obtained oil were detected by gas chromatography-mass spectrometry. Results The results showed that there were abundant fatty acids in lacquer seed oil extracted from lacquer seed kernel by Soxhlet extraction. The content of unsaturated fatty acids was more than 70%, and the content of linoleic acid was about 60%. It was suitable for edible oil. The commercial edible lacquer seed oil and lacquer seed oil obtained from the whole lacquer seed by traditional pressing process and Soxhlet extraction are mainly saturated fat, with palmitic acid content of 60～70%. Due to improper packaging and storage, the types and content of unsaturated fatty acids in the commercial edible lacquer seed oil are reduced, resulting in lower nutritional value. The content of oleic acid and linoleic acid in white lacquer seed oil was higher than that in black lacquer seed oil, while the content of linolenic acid in black lacquer seed oil was higher （P < 0.05）. Black lacquer seed oil also contains about 1% palmitoleic acid. Therefore, the selection of raw materials and pressing technology has a great influence on the fatty acid composition and nutritional value of the obtained oil. Conclusion This study provides data reference for the development and utilization of lacquer seed resources.
- Lacquer tree,
- Lacquer oil,
- Gas chromatography-mass spectrometry （GC-MS）,
- Fatty acid

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