DOI QR코드

DOI QR Code

갈색콩 두유의 젖산 발효 중 phytochemicals 및 항산화 활성 변화

Changes of Phytochemicals and Antioxidant Activity during Fermentation of Brown Soymilk

  • 황정은 (경남과학기술대학교 식품과학부) ;
  • 이병원 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 안민주 (경남과학기술대학교 식품과학부) ;
  • 이희율 (경남과학기술대학교 식품과학부) ;
  • 김현태 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 고종민 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 백인열 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 조계만 (경남과학기술대학교 식품과학부)
  • Hwang, Chung Eun (Department of Food Science, Gyeongnam National University of Science and Technology) ;
  • Lee, Byong Won (Department of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • An, Min Ju (Department of Food Science, Gyeongnam National University of Science and Technology) ;
  • Lee, Hee Yul (Department of Food Science, Gyeongnam National University of Science and Technology) ;
  • Kim, Hyun Tae (Department of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Ko, Jong Min (Department of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Baek, In Youl (Department of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Cho, Kye Man (Department of Food Science, Gyeongnam National University of Science and Technology)
  • 투고 : 2014.10.13
  • 심사 : 2016.06.07
  • 발행 : 2016.08.31

초록

본 연구는 잠재적인 생균제제 Lactobacillus plantarum P1201을 이용하여 갈색콩 두유의 젖산발효 중 이화학적 특성, 총 phenolics, isoflavone 함량 및 항산화 활성 변화를 연구하였다. 갈색콩 두유는 발효가 진행됨에 따라 pH가 최종 4.03으로 감소하였으며, 이에 따라 총산이 증가하여 발효 후(60시간) 1.03%를 나타내었다. 생균수 역시 11.55log cfu/g으로 발효 과정 중 점차적으로 증가하였다. 총 phenolics 함량은 발효 전 2.87mg/g에서 발효 후 2.98mg/g으로 약간 증가하였다. Isoflavoneglycosides 및 -malonylglycosides 형태는 감소하였고 -aglycones 형태는 증가하였다. 특히 발효 초기 isoflavone-aglycones 함량은 38.30㎍/g에서 증가하여 발효 36시간째 84.31㎍/g으로 최대치를 나타내었고 이후에는 감소하였다. 발효 36시간째 isoflavone-aglycones 형태인 daidzein, glycitein 및 genistein의 함량은 각각 24.12㎍/g, 25.25㎍/g 및 24.71㎍/g이었다. 한편 DPPH 및 ABTS 라디칼 소거활성 및 환원력은 발효 중 서서히 증가하였다.

The changes of total phenolic and isoflavone contents and antioxidant activities in of brown soymilk fermented by Lactobacillus plantarum P1201 were investigated. The brown soymilk proliferated the cell growth and reached about 11.55log cfu/g after fermentation for 60hr, while pH and titratable acidity ranged from 6.25 to 4.03 and 0.18% to 1.03%, respectively. The total phenolic contents of brown soymilk slightly increased from 2.87mg/g to 2.98mg/g after fermentation for 60hr. The levels of isoflavone-glycosides and -malonylglycosides decreased, while the isoflavone-aglycone contents increased during fermentation of brown soymilk. In particular, the isoflavone contents was 38.30㎍/g, but increased the highest value of 84.31㎍/g after fermentation for 60hr. After then, it was slightly decreased after 60hr of fermentation. In addition, the levels of daidzein, glycitein and genistein among isoflavone aglycones were 24.12㎍/g, 25.25㎍/g and 24.71 ㎍/g, after fermentation for 36hr. The DPPH and ABTS radical scavenging activities and FRAP assay showed to be slightly increased during lactic acid fermentation of brown soymilk.

키워드

피인용 문헌

  1. Changes in active compounds and biological activities during fermentation of soy-powder milk by the mixtures of probiotics lactic acid bacteria vol.27, pp.6, 2016, https://doi.org/10.11002/kjfp.2020.27.6.769
  2. Recent innovations in processing technologies for improvement of nutritional quality of soymilk vol.19, pp.1, 2021, https://doi.org/10.1080/19476337.2021.1893824