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KMID : 1134820160450121755
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Journal of the Korean Society of Food Science and Nutrition
2016 Volume.45 No. 12 p.1755 ~ p.1761
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Studies on Volatile Flavor Compounds of Soy Sauce Residue
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Cha Yong-Jun
Wang Wenfeng
Cha Ha-Ram
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Abstract
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Volatile flavor compounds in soy sauce residue (SSR) and acid hydrolysate of SSR (AHSSR) were analyzed by solid phase micro extraction (SPME)/gas chromatography (GC)/mass spectrometry (MSD) methods. A total of 79 compounds were detected in samples (66 SSR and 60 AHSSR). Quantitatively, alcohols (433.37 ng/g), aldehydes (273.01 ng/g), esters (236.80 ng/g), and aromatic hydrocarbons (180.66 ng/g) were dominant in the volatiles of SSR, whereas furans (249.27 ng/g) were only dominant in AHSSR (P<0.05). Among these, four esters, 3-methylbutyl acetate (banana/pear-like), ethyl 3-methyl butanoate (fruity), ethylbenzene acetate (wine-like), and ethyl 3-methyl butanoate (apple-like), three alcohols, 3-methyl-1-butanol (fruity/whisky-like), 2-phenylethanol (floral/sweet), and 1-octen-3-ol (mushroom-like), four aldehydes, (E)-2-phenyl-2-butenal (chocolate-like), benzaldehyde (almond-like), 3-methylbutanal (malty), and 2-phenylacetaldehyde (floral), four aromatic hydrocarbons, 4-ethyl-2-methoxyphenol (smoky/soy sauce-like), 4-ethylphenol (medicine-like), 4-vinyl-2-methoxyphenol (woody), and phenol (woody), and two furans, furfural (almond-like) and 4-hydroxy-2,5-dimethyl-3(2H)-furanone (caramel-like), were major compounds in SSR, whereas seven compounds, including furfural, 5-methylfurfural (almond-like), 3-methyl-1-butanol, 2-phenylethanol, 4-ethyl-2- methoxyphenol, 3-methylbutanal, and benzaldehyde were major compounds in AHSSR.
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KEYWORD
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soy sauce residue, acid hydrolysate of soy sauce residue, volatile flavor compound, soy sauce
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