Physicochemical properties of edible cricket (Gryllus bimaculatus) in different districts

산지별 식용 귀뚜라미의 이화학적 특성

  • Received : 2015.09.21
  • Accepted : 2015.11.25
  • Published : 2015.12.30


Insects have gained increasing attention as an alternative protein and nutrient rich food source for humans. This study was conducted to investigate the physicochemical characteristics and harmful components of edible crickets (Gryllus bimaculatus) in the 6 districts of Yeonggwang (YG), Jeongseon (JS), Wonju (WJ), Hwaseong (HS), Geochang (GC), and Chungju (CJ). The average crude protein and crude lipid contents on a dry basis were 64.34% and 16.60%, respectively. The crude protein content of CJ was the highest (67.40%), whereas YG (59.42%) had the lowest content. On the other hand, the crude fat content of YG was the highest (20.61%), whereas CJ (14.04%) had the lowest content. The unsaturated fatty acid contents were 57.97-63.93 g/100 g of the total fatty acid content in the crickets of the 6 districts. The major fatty acids of the crickets in the 6 districts were palmitic acid, oleic acid, and linoleic acid. Among the essential amino acids, valine, leucine, and lysine were the most abundant. GC had the highest total amino acids (57.93 g/100 g), whereas YG (48.65 g/100 g) had the lowest. Major mineral contents included potassium (K, 0.92~1.01 mg/100 mg) and phosphorus (P, 0.74~0.88 mg/100 mg). The mineral composition was fairly similar among the crickets. Crickets in the 6 districts were verified to have safe levels of residual heavy metals according to the Korea Food & Drug Administration (KFDA) advisory levels.


Supported by : 농촌진흥청


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