Production and characterisation of high-quality silkworm pupal oil for omega-3 fatty acid supplementation
文献类型： 外文期刊
作者： Xu, Q. 1 ; Shi, W. 2 ; Yang, B. 3 ; Liao, S. 2 ; Ng, S. 4 ; Lan, D. 1 ; Wang, W. 2 ; Wang, Y. 1 ;
作者机构： 1.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
2.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangzhou 510610, Peoples R China
3.South China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Peoples R China
4.Guangdong Yue S Special Nutr Technol Co Ltd, Foshan 528000, Peoples R China
关键词： omega-3 fatty acid; supplementation
期刊名称：INTERNATIONAL FOOD RESEARCH JOURNAL （ 影响因子：1.169； 五年影响因子：1.401 ）
ISSN： 1985-4668
年卷期： 2022 年 29 卷 3 期
页码：
收录情况： SCI
摘要： The present work aimed to produce edible oil that is low-cost and rich in ??-3 fatty acids (mainly ??-linolenic acid; ALA). Silkworm pupae are industrial wastes which could be a good choice as the raw material for silkworm pupal oil (SPO) is. Solvent extraction (SE), supercritical fluid extraction (SFE), and aqueous enzymatic extraction (AE) were compared (oil yields of 28.34, 26.75, and 23.11%, respectively), and crude SPOs showed similar fatty acid compositions. Crude SPO extracted by SE contained a total tocopherol of 289.56 ??g/g, which was higher than that of AE. SE was recommended due to its low cost, high oil yield, and high preservation of bioactive compounds, and a further refinement process was adopted only for crude SPO from SE. The fatty acid composition of the refined SPO was not different from that of the crude SPO, which contained 37.51% ??-3 fatty acids. A low acid value (AV, 0.65 mg KOH/g) and peroxide value (PV, 5.79 meq O2/kg), with almost no detectable toxicants indicated that SPO would be a high-quality edible oil for ??-3 fatty acid supplementation.
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