期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 97, 期 8, 页码 2594-2600出版社
WILEY
DOI: 10.1002/jsfa.8081
关键词
black soldier fly; vegetable waste processing; feed; protein; fatty acid; amino acid
资金
- Special Research Fund (BOF) of Ghent University [05 V00413]
BACKGROUND: Black soldier fly larvae are converters of organic waste into edible biomass, of which the composition may depend on the substrate. In this study, larvae were grown on four substrates: chicken feed, vegetable waste, biogas digestate, and restaurantwaste. Samples of prepupae and substrateswere freeze-dried and proximate, amino acid, fatty acid andmineral analyses were performed. RESULTS: Protein content of prepupae varied between 399 and 431 g kg(-1) dry matter (DM) among treatments. Differences in amino acid profile of prepupae were small. On the other hand, the ether extract (EE) and ash contents differed substantially. Prepupae reared on digestatewere lowin EE and high in ash (218 and 197 g kg(-1) DM, respectively) compared to those reared on vegetable waste (371 and 96 g kg(-1) DM, respectively), chicken feed (336 and 100 g kg(-1) DM, respectively) and restaurant waste (386 and 27 g kg(-1) DM, respectively). Prepupal fatty acid profiles were characterised by high levels of C12: 0 in all treatments. CONCLUSION: Since protein content and quality were high and comparable for prepupae reared on different substrates, black soldier fly could be an interesting protein source for animal feeds. However, differences in EE and ash content as a function of substrate should be considered. (C) 2016 Society of Chemical Industry
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