文章基本信息

标题：Comparison of Conventional and Sustainable Lipid Extraction Methods for the Production of Oil and Protein Isolate from Edible Insect Meal
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作者：Myriam Laroche , Véronique Perreault , Alice Marciniak , Alexia Gravel , Julien Chamberland ; Alain Doyen
期刊名称：Foods
电子版ISSN：2304-8158
出版年度：2019
卷号：8
期号：11
页码：1-8
DOI：10.3390/foods8110572
出版社：MDPI Publishing
摘要：Edible insects represent an interesting alternative source of protein for human consumption but the main hurdle facing the edible insect sector is low consumer acceptance. However, increased acceptance is anticipated when insects are incorporated as a processed ingredient, such as protein-rich powder, rather than presented whole. To produce edible insect fractions with high protein content, a defatting step is necessary. This study investigated the effects of six defatting methods (conventional solvents, three-phase partitioning, and supercritical CO2) on lipid extraction yield, fatty profiles, and protein extraction and purification of house cricket (Acheta domesticus) and mealworm (Tenebrio molitor) meals. Ethanol increased the lipid extraction yield (22.7%–28.8%), irrespective of the insect meal used or the extraction method applied. Supercritical CO2 gave similar lipid extraction yields as conventional methods for Tenebrio molitor (T. molitor) (22.1%) but was less efficient for Acheta domesticus (A. domesticus) (11.9%). The protein extraction yield ranged from 12.4% to 38.9% for A. domesticus, and from 11.9% to 39.3% for T. molitor, whereas purification rates ranged from 58.3% to 78.5% for A. domesticus and from 48.7% to 75.4% for T. molitor.
关键词：edible insect; Acheta domesticus ; Tenebrio molitor ; lipid extraction; protein extraction; protein purification edible insect ; Acheta domesticus ; Tenebrio molitor ; lipid extraction ; protein extraction ; protein purification