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KMID : 0380620160480050445
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Korean Journal of Food Science and Technology
2016 Volume.48 No. 5 p.445 ~ p.453
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Production of fermented apple juice using Lactobacillus plantarum JBE245 isolated from Korean traditional Meju
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Heo Jun
Park Hae-Suk
Uhm Tai-Boong
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Abstract
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Eighty-four strains of lactic acid bacteria were isolated from Korean fermented foods for the production of fermented apple juice. Among these strains, the JBE245 strain that showed rapid growth and food functionality was selected and identified as Lactobacillus plantarum. This strain reached the stationary phase after 24 h fermentation at 30°C with 1.5×108 colony forming unit (CFU)/mL of viable cells, and maintained its viability levels even after 14 days of storage. During fermentation, the α-glucosidase inhibitory activity (40.4%), total polyphenol content (583.6 mg gallic acid equivalent (GAE)/mL), and 2,2-diphenyl-l-picryl-hydrazyl hydrate (DPPH) radical scavenging activity (52%) were increased. As judged by a sensory test, the overall preference for the fermented juice (4.22) was comparable to that for the unfermented juice (4.72), indicating that fermentation does not significantly affect the sensory characteristics of apple juice. Consequently, the fermented beverage containing L. plantarum JBE245 and apple juice is a promising functional health food.
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KEYWORD
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apple juice, functional beverage, lactic acid bacteria, Lactobacillus plantarum, traditional fermented food
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