Changes of Volatile Flavor Compounds in Low-Salt-Fermented Anchovy Paste by Adding Koji

Koji를 이용한 멸치젓 숙성중 휘발성 향기성분의 변화에 관한 연구

  • Yong-Jun Cha (Dept. of Food Science and Nutrition , Changwon National University)
  • Published : 1994.06.01

Abstract

Volatile flavor compounds in low salt-fermented anchovy pastes by adding koji(Koji), compared with Control, were analyzed by simultaneous steam distillation -solvent extraction /gas chromatography/mass spectrometry. Volatile compounds (106) were detected inboth samples during fermentation. Among these, 79 compounds were positively identified and were composed mainly of aldehydes, esters, alcohols, ketones, nitrogen-containing compounds, aromatic hydrocarbons, and furans. Aldehydes and esters were found higher amounts that other compounds in both samples. Alkylpyrazine, such as 2, 6-dimethylpyrzine, 2-ethyl-6-methylpyrazine, trimethylpyrazie, 2-ethyl-3, 5-dimethylpyrazine and tetramethylpyrazine, and also 2-phenylethanol were identified only in Koji.

Koji를 첨가한 저식염 멸치젖의 숙성 중 휘발성 향기성분의 변화를 대조구와 분석 비교하였다. 총 106개의 휘발성 성분이 검출되었는데 이 중에서 79개의 화합물은 표준품으로 확인 동정되었다. 이들은 주로 alde-hyde, ketone, alcohol, ester, aromatic hydrocarbon, furan 및 nitrogen-containing화합물로 구성되어 있었다. 숙성 중 두시료에서 aldehyde 및 ester류의 화합물의 종류와 함량이 가장 많았다. 특히 koji를 첨가한 멸치젓에서는 대조구에서는 검출되지 않은 2,6-dimethylpyrazine, 2-ethyl-6-methylpyrazine, trimethylpyrazine, 2-ethyl-3,5-dimethylpyrazine 및 tetramethylpyrazine 2-phenylethanol도 검출되었다.

Keywords

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