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Quality Characteristics and Allyl Isothiocyanate Contents of Commercial Wasabi Paste Products

시판 와사비 페이스트 제품의 품질 특성 및 Allyl Isothiocyanate 함량

  • Lee, Hyo-Kyung (Department of Food Science & Technology, Chonbuk National University) ;
  • Kim, Do-Heui (Department of Food Science & Technology, Chonbuk National University) ;
  • Kim, Yong-Suk (Department of Food Science & Technology, Chonbuk National University)
  • Received : 2016.08.26
  • Accepted : 2016.09.28
  • Published : 2016.12.30

Abstract

To compare the quality characteristics of commercial wasabi paste products, the physicochemical and microbial characteristics of 6 samples were analyzed. In addition, the contents of allyl isothiocyanate, which show unique flavor and antimicrobial activity in wasabi paste products, were compared. pH of commercial 6 wasabi products were ranged from $4.12{\pm}0.01$ to $4.90{\pm}0.01$, and titratable acidities of products distributed at cold temperature (CW) were higher $0.60{\pm}0.00{\sim}0.77{\pm}0.02%$ than those of products distributed at room temperature (RW). Salinities of RW were higher ($4.27{\pm}0.06{\sim}7.53{\pm}0.12%$) than those of CW ($2.20{\pm}0.00{\sim}3.60{\pm}0.10%$). Soluble solid and sorbitol contents of RW were higher ($33.00{\pm}1.00{\sim}44.67{\pm}2.08^{\circ}Brix$, $378.90{\pm}63.79{\sim}724.37{\pm}7.85mg%$) than those of CW ($22.00{\pm}1.73{\sim}27.00{\pm}1.00^{\circ}Brix$, $27.67{\pm}9.92{\sim}175.31{\pm}10.56mg%$), respectively. The viable cell counts of samples were $ND{\sim}3.65{\pm}0.23 log\;CFU/g$ without distribution method and packaging type, and yeasts and molds were not detected in 6 wasabi products. Allyl isothiocyanate contents of RW were higher ($53.35{\pm}0.08{\sim}159.76{\pm}0.81mg%$) than those of CW ($24.07{\pm}7.69{\sim}48.19{\pm}0.15mg%$).

시판 와사비 페이스트 제품의 품질 특성을 비교하기 위하여 이화학적 및 미생물적 특성, 그리고 와사비의 주요 향미 성분으로서 항균 활성을 나타내는 allyl isothiocyanate 함량을 분석하였다. 와사비 제품의 pH는 $4.12{\pm}0.01{\sim}4.90{\pm}0.01$ 범위에 있었고, 총산 함량은 $0.22{\pm}0.01{\sim}0.77{\pm}0.02%$ 범위에 있었으며, 냉장유통 제품(CW1, CW2)이 상온유통 제품보다 대체로 높은 값을 나타내었다. 상온유통제품(RW1~4)의 염도는 $4.27{\pm}0.06{\sim}7.53{\pm}0.12%$로 냉장유통 제품에 비해 높았다. 가용성 고형분 함량은 상온유통 제품(RW1~4)에서 $33.00{\pm}1.00{\sim}44.67{\pm}2.08^{\circ}Brix$로 나타나 냉장유통 제품(CW1~2)의 $22.00{\pm}1.73{\sim}27.00{\pm}1.00^{\circ}Brix$보다 높게 나타났다. Sorbitol 함량은 상온유통 제품에서 $378.90{\pm}63.79{\sim}724.37{\pm}7.85mg%$로 냉장유통 제품에 비해 유의적으로 높은 함량을 나타내었다. 일반세균 수는 유통방법 또는 포장형태와 관계없이 $ND{\sim}3.65{\pm}0.23log\;CFU/g$ 범위에 있었으며, 효모와 곰팡이는 모든 시료에서 검출되지 않았다. 상온유통 제품(RW1~4)의 allyl isothiocyanate 함량은 $53.35{\pm}0.08{\sim}159.76{\pm}0.8mg%$ 범위로 냉장유통 제품(CW1 $48.19{\pm}0.15mg%$, CW2 $24.07{\pm}7.69mg%$)보다 높았다.

Keywords

References

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