Physicochemical characteristics of lactic acid fermented Seomaeyaksuk (Artemisia argyi H) Sikhye added with different addition ratio of MSG

Autor: Won Yeol Bae, Hee Rin Park, Jung Hye Shin, Won Tak Seo, Min Jung Kang, Myung Hyo Choi, Jine Shang Choi, Jeong Yeon Shin
Rok vydání: 2017
Předmět:
Zdroj: Korean Journal of Food Preservation. 24:254-265
ISSN: 2287-7428
1738-7248
DOI: 10.11002/kjfp.2017.24.2.254
Popis: For the production of γ-aminobutyric acid (GABA) contents increased Seomaeyaksuk fermentant, 0, 0.25, 0.5 and 1.0% of monosodium galutamate (MSG) was added in Seomaeyaksuk water extract 15% contained Sikhye and inoculated with Lactobacillus brevis (KI271266). Physicochemical properties were sampling and analyzed at each 1 day during 3 days fermentation. Goes on fermentation periods, the turbidity was gradually reduced, but lightness and the yellowness was increased, redness was decreased. Soluble solid was also decreased. The reducing sugars content were also decreased during fermentation. pH was 4.65-4.83 before fermentation but it was lower 3.15-3.68 after three days fermentation. The GABA contents increased by fermentation periods and it was the highest in MSG 1.0% added sample (354.38 mg/L). Fructose, glucose and sucrose contents were 50-67% decreased at three days fermentation than before fermentation. Among the organic acids, propionic acid, oxalic acid, citric acid and fumaric acid contents were decreased and lactic acid, acetic acid and succinic acid were increased during fermentation periods. Contents of total polyphenol and DPPH radical scavenging activity were the highest in MSG 0.5% added sample. From these results, we confirmed that increasing of GABA content when the manufacturing of Seomaeyaksuk lactic acid fermentation product, is possibile by addition of MSG without affecting physicochemical characteristics.
Databáze: OpenAIRE