초록

베리 또는 과채류 주스에는 다양한 종류의 항산화물질들이 함유되어 있는 것으로 알려져 있다. Oxygen radical absorbance capacity 측정 결과 아사이베리, 아로니아, 산머루, 블랙베리, 크랜베리, 시금치 주스로부터 높은 항산화 활성을 확인할 수 있었다. 선별된 베리 또는 과채류 주스의 항산화 활성을 증가시키기 위해 젖산균을 이용한 발효를 수행하였다. 아사이베리, 블랙베리, 또는 시금치 주스의 경우 Lactobacillus plantarum를 이용한 발효 후에 항산화 활성이 각각 943.2 µmol TE/g에서 1239.2 µmol TE/g로 110.87 µmol TE/g에서 128.04 μmol TE/g로 77.92 µmol TE/g에서 107.20 µmol TE/g로 약 16−38% 향상되었다. 본 연구를 통해 아사이베리, 블랙베리, 또는 시금치 주스의 항산화 활성이 젖산균 발효를 통해 증가하는 것을 확인하였다.

Abstract

Berry or vegetable juices contain a diverse range of antioxidants. Through oxygen radical absorbance capacity assays, acai berry, aronia, wild grape, blackberry, cranberry, and spinach juices were verified to possess high antioxidant activities. Lactic acid bacteria fermentation was applied to each juice as the sole medium to improve antioxidant activity. After fermentation by Lactobacillus plantarum, the antioxidant activities of acai berry, blackberry, and spinach juices increased by 20–30% from 943.2 to 1239.2, from 110.87 to 128.04, and from 77.92 to 107.20 µmol TE/g, respectively. In this study, we found that the antioxidant activities of a number of juices were enhanced through lactic acid bacteria fermentation.

주제어

#Antioxidative activity   #fermentation   #lactic acid bacteria   #berry and vegetable juice  

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