The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Crude Protein and Amino Acid Composition of Local Agricultural Products

지역 농산물의 조단백질과 아미노산 조성 비교

  • Seol, Hui-Gyeong (Gyeongsangnamdo Agricultural Research and Extension Service) ;
  • Ko, Hui-Suk (Gyeongsangnamdo Agricultural Research and Extension Service) ;
  • Je, Hui-Jeong (Gyeongsangnamdo Agricultural Research and Extension Service) ;
  • Kim, Nak-Ku (Gyeongsangnamdo Agricultural Research and Extension Service) ;
  • Choi, Dal-Yeon (Gyeongsangnamdo Agricultural Research and Extension Service) ;
  • Ha, Gi-Jeong (Gyeongsangnamdo Agricultural Research and Extension Service)
  • Received : 2017.05.12
  • Accepted : 2017.07.14
  • Published : 2017.08.31
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Abstract

This study investigated the crude protein and amino acid contents of local agricultural products widely and specifically grown in Korea, including 25 vegetables and 13 fruits. The crude protein content of vegetables and fruits ranged from 0.46 to 6.53% and 0.29 to 2.23%, respectively. Totally, 17 types of amino acids were found in most samples. The total amino acid content of vegetables and fruits ranged from 457.38 to 9,303.18 mg% and 368.82 to 3,118.75 mg%, respectively. The total amino acid contents of garlic and passion fruit was higher compared to other vagetables and fruits. The calibration curves of the standard components showed good linearity ($r^2$>0.99), except Met ($r^2=0.989$). The limits of LOD and LOQ were in the range 0.034 to $0.991{\mu}g/mL$ and 0.009 to $0.474{\mu}g/mL$, respectively. The results of the study can serve as a fundamental source of information regarding crude protein and amino acids contents in food, for diet planning.

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