Lipid Composition Analysis of Cricket Oil from Crickets Fed with Broken Rice-Derived Bran.

IF 2.9 2区农林科学 Q1 ENTOMOLOGY

Insects Pub Date : 2025-09-11 DOI:10.3390/insects16090951

Ryosuke Sogame, Taiki Miyazawa, Masako Toda, Akihiro Iijima, Maharshi Bhaswant, Teruo Miyazawa

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Abstract

This study investigated the effect of rice bran derived from broken rice feeding on the lipid classes and fatty acid composition of oil extracted from crickets (Acheta domesticus). During the final seven days prior to cricket oil extraction, crickets were fed either rice bran or control feed. The lipid classes in both the cricket oil and feed materials (rice bran or control feed) were identified using thin-layer chromatography, while the proportion of neutral lipids, phospholipids, and glycolipids was quantified by solid-phase extraction. Fatty acid composition was determined using GC-FID. Cricket oil from the rice bran-fed group exhibited a significantly higher ratio of glycolipids, which are abundant in rice bran, compared to the control group. Although both oleic and linoleic acid levels were significantly higher than in the control feed, only the oleic acid proportion was significantly increased in the cricket oil from the rice bran-fed group. Additionally, the ω-6/ω-3 ratio in each lipid fraction was significantly higher in the rice bran-fed group compared to the control group. These results suggest that dietary supplementation with rice bran derived from broken rice significantly alters the lipid profile of crickets and may represent a valuable strategy for enhancing the nutritional quality of cricket oil.

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以碎米糠为食的蟋蟀油的脂质组成分析。

本试验研究了碎米米糠对蟋蟀（Acheta domesticus）油脂类和脂肪酸组成的影响。在蟋蟀榨油前的最后7天，蟋蟀被喂食米糠或对照饲料。采用薄层色谱法对蟋蟀油和饲料（米糠或对照饲料）中的脂类进行鉴定，采用固相萃取法对中性脂、磷脂和糖脂的比例进行定量。采用气相色谱- fid法测定脂肪酸组成。与对照组相比，米糠喂养组蟋蟀油的糖脂含量显著高于对照组。虽然油酸和亚油酸水平均显著高于对照饲料，但米糠饲喂组蟋蟀油中只有油酸比例显著升高。此外，米糠饲喂组各脂肪组分中ω-6/ω-3比值显著高于对照组。这些结果表明，在饲料中添加破碎米米糠可以显著改变蟋蟀的脂质分布，可能是提高蟋蟀油营养品质的一种有价值的策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Insects Agricultural and Biological Sciences-Insect Science

CiteScore

5.10

自引率

10.00%

发文量

1013

审稿时长

21.77 days

期刊介绍： Insects (ISSN 2075-4450) is an international, peer-reviewed open access journal of entomology published by MDPI online quarterly. It publishes reviews, research papers and communications related to the biology, physiology and the behavior of insects and arthropods. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.