한국식품영양과학회지 (Journal of the Korean Society of Food Science and Nutrition)

  • 제39권3호
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  • Pages.455-460
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  • 2010
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  • 1226-3311(pISSN)
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  • 2288-5978(eISSN)
한국식품영양과학회 (The Korean Society of Food Science and Nutrition)
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한외여과법을 이용한 고로쇠 수액의 저장성 향상

Shelf-life Extension of Acer mono Sap Using Ultra Filtration

  • 발행 : 2010.03.31
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초록

본 연구에서는 고로쇠수액의 품질 및 저장성을 향상시키고자 한외여과 방법을 이용하여 한외여과 전후의 이화학적 특성과 저장 중 미생물 및 품질변화를 관찰하였다. 여과 전후 수액의 조회분, 조단백질, 무기성분, 유리당, 유기산 함량, pH, 총 산도 등 이화학적 특성에는 큰 변화가 없었으며, 여과 후 갈색도 및 탁도는 감소하였고 수액 내 미생물은 검출되지 않았다. 여과 전 수액의 pH는 저장 중 감소하였고, 총 산도, 갈색도 및 탁도는 증가하는 경향이었으나 여과 후 수액은 큰 변화가 없었다. 여과 전 수액의 초기 미생물수는 $1.7{\times}10^3\;CFU/mL$에서 저장 중 $4.7{\times}10^4\;CFU/mL$까지 증가하였고, 여과 후 수액의 미생물수는 -1과 $4^{\circ}C$ 저장 중 62일 동안 검출되지 않았으나 $10^{\circ}C$에서는 $4.8{\times}10^2\;CFU/mL$로 검출되었다. 이상의 결과로부터 한외여과는 수액의 이화학적 특성의 변화를 유발하지 않으면서 효과적으로 미생물을 제어할 수 있어 수액의 저장성을 향상시킬 수 있을 것으로 판단된다.

This study was investigated the effect of the ultra filtration (UF) on extending shelf-life and increasing quality of Acer mono sap. To evaluate the quality changes of Acer mono sap before and after UF, crude ash, crude protein, minerals, free sugar, organic acid, pH, total acidity, browning index, turbidity and total microbial number were measured during storage periods at -1, 4 and $10^{\circ}C$. After UF, the ash, minerals, organic acid, total acidity, browning index and turbidity of Acer mono sap were slightly decreased, while the pH was slightly increased, and total microbial number was not detected. After UF, the pH, total acidity, browning index, turbidity and total microbial number of Acer mono sap were very stable during storage periods at -1 and $4^{\circ}C$. During the storage at $10^{\circ}C$, turbidity and total microbial number was slightly increased, while the pH of before UF was decreased and the total acidity, browning, turbidity and total microbial number was increased during storage periods. As the results of this study indicate application of UF on Acer mono sap could extend the shelf-life and quality without loss of natural minerals and useful components.

키워드

참고문헌

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피인용 문헌

  1. Effects of UV Sterilization on Quality of Acer mono Sap vol.42, pp.1, 2013, https://doi.org/10.3746/jkfn.2013.42.1.148
  2. Comparison on Cosmetic Activities of Acer mono Bark and Sap vol.19, pp.4, 2011, https://doi.org/10.7783/KJMCS.2011.19.4.264
  3. Physicochemical Characteristics and Nutritional Components of Goroshoe (Acer mono Max.) Sap with Collection Periods vol.40, pp.10, 2011, https://doi.org/10.3746/jkfn.2011.40.10.1482
  4. Storage-life Extension of Maengjong-Juk (Phyllostachys pubescens) Sap Using Heat Treatments vol.56, pp.2, 2013, https://doi.org/10.3839/jabc.2013.013
  5. Quality Characteristics of the White Birch Sap with Varying Collection Periods vol.41, pp.1, 2012, https://doi.org/10.3746/jkfn.2012.41.1.143
  6. Characteristics of Goroshoe (Acer mono Max.) Sap with Different Collection Times After Ultra Filtration vol.40, pp.5, 2011, https://doi.org/10.3746/jkfn.2011.40.5.753
  7. Enhancement of Antioxidant Activities and Whitening Effect of Acer mono Sap Through Nano Encapsulation Processes vol.19, pp.3, 2011, https://doi.org/10.7783/KJMCS.2011.19.3.191
  8. 초고압 기술이 자작나무 수액의 저장성 향상에 미치는 영향 vol.24, pp.3, 2010, https://doi.org/10.11002/kjfp.2017.24.3.343