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배즙을 첨가한 전통고추장의 숙성과정 중 품질특성

Quality Characteristics of Traditional Kochujang Adding Pear Juices during Fermentation

  • 유미영 (한국화학연구원 생명의약연구부) ;
  • 정권혁 (부경대학교 수산과학대학 식품생명공학부) ;
  • 양지영 (부경대학교 수산과학대학 식품생명공학부)
  • Yoo, Mi-Young (Medicianl Science Division, Korea Research Institute of Chemical Technology) ;
  • Jung, Kwon-Hyug (Dept Food Science and Biotechnology, College of Fishery Science, Pukyong National University) ;
  • Yang, Ji-Young (Dept Food Science and Biotechnology, College of Fishery Science, Pukyong National University)
  • 발행 : 2005.10.01

초록

고추장의 품질향상을 위해 배즙의 농도를 달리하여 첨가하고 30$^{\circ}C$에서 2개월간 숙성시키면서 품질특성을 비교하였다 숙성이 진행되는 동안 배즙첨가 고추장의 수분함량은 배즙을 9$\%$ 첨가한 고추장을 제외하고는 증가하였으며 조단백질함량은 감소하였다. 배즙첨가 고추장의 총당함량은 숙성기간동안 변화가 없었으나 환원당함량은 숙성초기부터 급격히 증가하였다. 숙성 중 배즙첨가 고추장의 pH는 감소하였으며 산도는 증가하였다. 배즙첨가 고추장의 아미노태질소함량의 변화는 숙성 45일부터 급격히 증가하였다. 숙성 2개월에서 배즙첨가 고추장의 효모수는 2.2 $\∼$2.9$\times$$10^{3}$CFU/g 으로 다소 증가하였고, 세균수는 2.1$\∼$2.9$\times$$10^{7}$CFU/g으로 변화는 없었다. 배즙첨가 고추장의 색도는 숙성 중 유의적 차이를 나타내지 않았으며 a값이 다소 감소하였다. 고추장의 맛, 색깔, 향기, 전반적인 기호도로 보아 배즙을 6$\%$ 첨 가하여 제조한 고추장이 유의적으로 좋게 나타났다.

In order to improve qualities of traditional kochujang, pear juice was added to kochujang, and the physicoche-mical and microbial characteristics of pear-added kochujang were investigated for 2 months of fermentation at 30$^{\circ}C$. Moisture contents of pear-added kochujangs increased except of 9$\%$ pear-added kochujang and crude protein contents of them decreased as the fermentation proceeded. Total sugar contents of pear-added kochujangs did not change during the fermentation period, and reducing sugar contents of them increased remarkably from early stage of fermentation. The pH of pear-added kochujangs decreased and titratable acidity of them increased during fermentation. Amino-nitrogen contents of pear-added kochujangs increased remarkable after 45 days of fermentation. Viable cells counts of yeasts in pear-added kochujangs increased to 2.2$\∼$2.9$\times$$10^{3}$CFU/g, and bacterial cell counts were in relatively constant range of 2.1$\∼$2.9$\times$$10^{7}$CFU/g at the late stage of fermentation. Color of pear-added kochujangs had no difference and 'a' value decreased slightly during fermentation. The result of sensory evaluation showed that 6$\%$ pear added kochujang were more acceptable than others.

키워드

참고문헌

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  2. Quality Characteristics of Ssamjang Added with Cheonggukjang and Various Kinds of Jocheong during Storage vol.32, pp.4, 2016, https://doi.org/10.9724/kfcs.2016.32.4.400
  3. Quality Properties of Barley Kochujang Added wih Germinated Barley Powder vol.29, pp.2, 2014, https://doi.org/10.7318/KJFC/2014.29.2.187
  4. Study on Culinary Educational Usefulness of Korean Style Jang-based Seasoning, Spices and Herb Mix Classification vol.29, pp.2, 2014, https://doi.org/10.7318/KJFC/2014.29.2.178
  5. Quality Characteristics of Breads Added with Pear Juice Prepared by Different Heat Treatments vol.29, pp.5, 2005, https://doi.org/10.17495/easdl.2019.10.29.5.392
  6. Quality Characteristics and Optimization of Ginger Pear Jam Prepared with Sugar, Pectin, and Citric Acid, Using the Response Surface Methodology vol.31, pp.1, 2005, https://doi.org/10.17495/easdl.2021.2.31.1.26
  7. 효소제를 달리한 현미 찹쌀 고추장의 품질특성 비교 vol.22, pp.4, 2021, https://doi.org/10.5762/kais.2021.22.4.49
  8. Comparison of quality characteristics and antioxidant activity of ‘Kochujang’ comprising ‘Nuruk’ made from pigmented or white rice flour vol.28, pp.6, 2005, https://doi.org/10.11002/kjfp.2021.28.6.799