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Subject

Enrichment of gamma-aminobutyric acid (GABA) in old antler extract fermented by Lactobacillus plantarum
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녹각 추출액의 젖산발효를 통한 고농도 감마-아미노부티르산 생산 최적화

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Type
Academic journal
Author
Soon Young Kwon (계명대학교) Sam Pin Lee (계명대학교)
Journal
Korean Society of Food Science and Technology Korean journal of food science and technology Vol.50 No.1 KCI Accredited Journals SCOPUS
Published
2018.2
Pages
37 - 43 (7page)

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Topic
젖산 발효 과정을 최적화하여 녹각 추출액에서 감마-아미노부티르산(GABA)의 농도를 높이는 연구를 수행하였다.
📖
Background
젖산균은 다양한 발효식품에서 건강 증진 및 질병 예방 효과를 갖는 기능성 미생물로서 GABA 생산은 뇌 기능을 촉진시키는 아미노산으로 알려져 있다.
🔬
Method
녹각 추출물을 5%(w/v) 농도로 제조하고, Lactobacillus plantarum EJ2014를 사용하여 30°C에서 7일 동안 발효하였다.
🏆
Result
발효 결과, GABA는 1.4%로 생성되었고, 생균수는 2.0x10^8 CFU/mL로 나타났다.
Enrichment of gamma-aminobutyric acid (GABA) in old antler extract fermented by Lactobacillus plantarum
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Abstract· Keywords

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Optimization of the lactic acid fermentation process was carried out to produce an old antler extract fortified with γ-aminobutyric acid (GABA). An old antler extract (OAE; 5%, w/v) obtained using a herbal extractor showed the highest contents of solids (1.75%) and proteins (980 μg/mL). It also showed the highest total amino acid contents of 13,659 μg/mL, with glycine, proline, and glutamine concentrations of 1,945, 3,405, and 1,641 μg/mL, respectively. For the over-production of GABA, OAE was fermented with Lactobacillus plantarum EJ2014 in the presence of 0.5%, 1.5% glucose, and 3.5% MSG at 30℃ for 7 days. The fermented OAE showed high viable cell count of 2.0×10<SUP>8</SUP> CFU/mL, pH of 6.56 and 0.77% acidity after 7 days. In particular, the acidity was greatly decreased by fermentation for 3 days, and 1.4% GABA was produced by the efficient conversion of the substrate, mono sodium glutamate.

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Topic

젖산 발효 과정을 최적화하여 녹각 추출액에서 감마-아미노부티르산(GABA)의 농도를 높이는 연구를 수행하였다.

Background

젖산균은 다양한 발효식품에서 건강 증진 및 질병 예방 효과를 갖는 기능성 미생물로서 GABA 생산은 뇌 기능을 촉진시키는 아미노산으로 알려져 있다.

Method

녹각 추출물을 5%(w/v) 농도로 제조하고, Lactobacillus plantarum EJ2014를 사용하여 30°C에서 7일 동안 발효하였다.

Result

발효 결과, GABA는 1.4%로 생성되었고, 생균수는 2.0x10^8 CFU/mL로 나타났다.

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Abstract
서론
재료 및 방법
결과 및 고찰
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UCI(KEPA) : I410-ECN-0101-2018-594-001813098