Study on Development of Fermented Sausage using Grapefruit Extract and Kimchi Extracted Starter Culture

자몽 추출물과 김치 추출 유산균을 이용한 발효 소시지 개발에 관한 연구

  • Kim, Yonghui (Dept. of Hotel & Foodservice Industry, Joongbu University) ;
  • Ahn, Byong-Suk (Dept. of Hotel & Foodservice Industry, Joongbu University)
  • 김용휘 (중부대학교 호텔외식산업학과) ;
  • 안병석 (중부대학교 호텔외식산업학과)
  • Received : 2013.12.27
  • Accepted : 2014.02.12
  • Published : 2014.02.28

Abstract

This study was conducted to develop natural additive for the improvement of lipid stability and the suppression of pathogenic contamination during the storage periods of fermented sausage. Fermented sausage prepared with grapefruit extract showed good suppression of lipid oxidation and pathogenic bacterial growth, and it was higher than that of fermented sausage prepared with nitrate until 7 days of storage. Fermented sausage prepared with treatment A (sodium nitrate and L. acidophilus), B (sodium nitrate and L. brevis), C (ascorbic acid and L. brevis) and D (grapefruit extract and L. brevis) were compared. As results, treatment C and D showed the lowest pH changes among treatments, and the highest growth of lactic acid bacteria was represented in treatment D. In the suppression effect of E. coli, the bacterial count was below 100 in all treatment except the treatment A. There were no differences among treatment in the brightness of meat color (p<0.05). Treatment D showed significantly high values in the redness, but showed the lowest values in the yellowness. In sensory and texture test, treatment C and D were superior compared to others. Therefore, grapefruit was represented as a good source of antioxidant for fermented sausage, and L. brevis isolated from kimchi was effect in lowering pH value of sausage during fermentation and it was also effective to persist fermentation during storage period and to reduce the occurrence of pathogenic bacteria by the suppression of their growth.

본 연구는 발효 소시지의 저장 기간 중 지질 산화를 억제하고, 항산화 활성이 우수하며, 유해 세균의 오염을 방지하기 위해 첨가되는 아질산염을 대체할 수 있는 천연 첨가제로써 자몽 추출물의 활용 가능성을 알아보고자 수행하였으며, 얻어진 결과는 다음과 같다. 자몽 추출물과 김치 유산균을 첨가하여 제조된 발효 소시지에서 우수한 지질 산화 및 유해 세균 억제 효과가 나타났으며, 저장 기간 7일차까지 아질산염과 아스코르빈산을 첨가한 처리구보다 우수한 결과를 나타내었다. 아질산염과 L. acidophilus를 혼합하여 제조된 처리구 A와 아질산염과 김치유산균을 혼합한 처리구 B, 아스코르빈산과 김치 유산균을 혼합한 처리구 C, 그리고 자몽 추출물과 김치 유산균을 혼합한 처리구 D의 제품 특성을 비교한 결과, pH는 처리구 D와 처리구 C에서 가장 낮게 나타났고, 유산균수는 자몽 추출물을 첨가한 처리구 D에서 가장 높았으며, 대장균 출현 억제효과는 아질산염과 L. acidophilus를 혼합한 처리구 A를 제외하고는 모두 시료 g당 100마리 이하로 나타났다. 육색 중 명도의 경우, 처리구 간의 유의차는 인정되지 않았으나, 적색도에서는 처리구 D와 아스코르빈산과 김치 유산균을 첨가한 처리구 C에서 유의적으로 높게 나타났으며, 황색도는 자몽 추출물을 첨가한 처리구 D에서 가장 낮게 나타났다. 조직감의 경우, 자몽 추출물을 첨가한 처리구 D가 다른 처리구에 비해 식감이 우수하였으며, 관능 평가에서는 아스코르빈산을 첨가한 처리구 C와 자몽 추출물이 첨가된 처리구 D에서 우수하게 나타나 자몽 추출물은 발효 소시지를 위한 천연 항산화제로써 활용 가능성이 매우 높았으며, 김치유산균인 L. brevis 또한 발효 과정 중 소시지의 산도를 낮추는데 효과적이며, 저장 기간 동안에도 지속적으로 발효를 유지시켜 유해 세균의 출현 및 성장을 억제하는데 매우 효과적임을 알 수 있었다.

Keywords

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