Effect of sex on the nutritional value of house cricket, Acheta domestica L
Language English Country England, Great Britain Media print-electronic
Document type Journal Article
PubMed
30309543
DOI
10.1016/j.foodchem.2018.08.049
PII: S0308-8146(18)31450-X
Knihovny.cz E-resources
- Keywords
- Amino acids, Fatty acids, Insects, Lipid, Novel food, Nutritional value, Protein,
- MeSH
- Gryllidae chemistry MeSH
- Insect Proteins analysis MeSH
- Lipids analysis MeSH
- Nutritive Value * MeSH
- Sex Factors MeSH
- Animals MeSH
- Check Tag
- Male MeSH
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- Insect Proteins MeSH
- Lipids MeSH
Since January 2018, insects have been recognised as novel foods in the EU, but their nutritional value varies, and factors affecting their nutritional composition have been debated. We investigated the effect of sex on the nutritional value and chemical composition of the house cricket (Acheta domestica L.). Both sexes were rich in protein and lipids. The proximate composition was partly influenced by sex; females contained a significantly higher amount of lipids (18.3-21.7 vs 12.9-16.1 g/100 g dry matter, p = 0.0001) and fewer proteins than males (61.2-64.9 vs 66.3-69.6 g/100 g dry matter, p = 0.0001). Males contained more chitin (p = 0.0015) and nitrogen chains (p = 0.0003) than females. Only the ash (p = 0.4314) and nitrogen-free extract (p = 0.4871) were uninfluenced by sex. Furthermore, nutrient quality expressed as essential amino acid (72.3-77.1), thrombogenicity (1.22-1.45), and atherogenicity indices (0.53-0.58) did not differ between sexes (p > 0.05).
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