期刊
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
卷 82, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2019.103237
关键词
Fish waste; Recycling; Hermetia illucens; Insect meal; Food; Fatty acids; LC-PUFA; EPA; DHA
资金
- INIA (Spanish Agricultural and Agro-Food Research Institute) [RTA 2015-00021-C03-02]
- FEDER funds
- European Maritime and Fisheries Fund (EMFF)
- Consejeria de Agricultura, Pesca y Desarrollo Rural [OPP71]
- Ministerio de Educacion (Spain)
- Campus de Excelencia Internacional Agroalimentaria (CEI3)
- Campus de Excelencia Internacional del Mar (CEImar)
Black soldier fly (BSF) larvae (Hermetia illucens) might be an advantageous option for recycling fish waste for obtaining n-3-fatty acid-rich foods. To investigate the effects of consuming fish waste (an n-3-fatty acid-rich by-product) on the fatty acid (FA) profiles of BSF, larvae were assigned to experimental feeding systems according to the time fish waste was eaten before slaughtering: BSFc-control (without eating fish) and BSF1d, BSF2d, BSF4d, BSF6d, BSF8d, BSF10d and BSF12d (1, 2, 4, 6, 8, 10 and 12 days eating fish, respectively). The percentage of n-3 polyunsaturated fatty acids (PUFAs) increases significantly (P < 0.001) from 4.32 in BSFc to 14.8% in BSF12d. Larval biomass was notably enriched in both eicosapentaenoic (EPA) (up to 7.2%) (P < 0.001) and docosahexaenoic (DHA) (up to 4.9%) (P < 0.001) fatty acids, while the consumption time of fish waste increased, and the n-6:n-3 ratio and both the atherogenicity (AI) and thrombogenicity (TI) indices were reduced (P < 0.001). The maximum percentage of EPA + DHA (12.2% of total fatty acids) (P < 0.001) was obtained at 12 days. The recommended daily intake of both n-3 PUFAs for humans could be satisfied with 150 g of a 12-day-feed larval meal.
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