Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Absorption Characteristics of Puffed Red Ginseng Lateral Root, Red Ginseng Main Root and White Ginseng Lateral Root Powder

팽화 홍미삼, 홍삼절편 및 백미삼 분말의 흡습특성

  • Kim, Sang-Tae (Department of Food Science & Technology, Kyungpook National University) ;
  • Youn, Kwang-Sup (Department of Food Science & Technology, Catholic University of Daegu) ;
  • Kwon, Joong-Ho (Department of Food Science & Technology, Kyungpook National University) ;
  • Moon, Kwang-Deog (Department of Food Science & Technology, Kyungpook National University)
  • 김상태 (경북대학교 식품공학과) ;
  • 윤광섭 (대구가톨릭대학교 식품외식산업학부) ;
  • 권중호 (경북대학교 식품공학과) ;
  • 문광덕 (경북대학교 식품공학과)
  • Published : 2008.02.28
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Abstract

In this study, raw ginseng produced by different method; was puffed and the absorption characteristics of the puffed ginseng powders were investigated Raw ginseng preparations, including white ginseng lateral root (WGL), red ginseng lateral root (RGL) and red ginseng main root (RGM) with 15 % moisture were puffed at a pressure of $7kg_f/cm^2$. The equilibrium moisture contents of puffed powders were affected by temperature and water activity. The monolayer moisture content determined by 1he BET equation was 0.034-0.045g $H_2O/g$ solid. The $R^2$ parameter of 1he BET equation was higher than that of the GAB equation. The absorption enthalpies, calculated using various water activities, showed a decreasing trend with increasing water activity. Amongst models applied for predicting equilibrium moisture content, 1he Kuhn model was 1he best fit for puffed ginseng powders, giving 1he lowest prediction deviation of 2.83-8.65% The prediction model equation for water activity included 1he variable of time, water activity (RH/l00) and temperature, whereas an equation featuring the parameters of time and water activity was the best model equation identified.

백미삼(지근), 홍미삼(지근) 및 홍삼절편(주근: 수삼-절편-증삼-건조)을 대상으로 팽화시켜 팽화 인삼분말의 흡습 특성을 조사하고 수분활성도 예측모델을 수립하였다. 등온 흡습곡선은 대부분의 식품들과 같이 역S형의 형태을 나타내었으며 가장 낮은 온도인 $5^{\circ}C$에서 평형수분함량이 가장 높았다. 단분자층수분함량은 BET식 에 의해 $0.034{\sim}0.045g$ $H_2O/g$ solid의 값으로 계산되었으며 BET식에 적용했을 때 $R^2$가 $0.98{\sim}0.99$로 GAB식 보다 높은 유의성을 보였다. 등온흡습곡선의 적합도는 Kuhn 모델식의 $R^2$가 0.99 이상으로 가장 높은 적합도를 보였으며 그 다음으로 Halsey 모델식이 비교적 높은 적합도를 나타내었고 편차에서도 Kuhn 모델식이 $2.83{\sim}8.65%$로 가장 낮게 나타났다. 수분활성도 예측모델 수립을 위해 각 독립변수의 최적함수로 시간은 1n 함수, 온도는 선형 그리고 수분활성도 (RH/100)는 선형함수를 선정하였으며 가장 적합한 수분활성도 예측모델식은 세 가지 시료 모두 시간과 수분활성도을 독립변수로 하는 모델식이 가장 적합한 것으로 나타났다.

Keywords

References

  1. Lee, J.W., Seo, C.H. and Chang, K.S. (2003) Physico- chemical characteristics of korean red ginseng powder on pulverizing methods. J. Korean Soc. Food Sci. Nutr., 32(3), 363-369 https://doi.org/10.3746/jkfn.2003.32.3.363
  2. Kwak, Y.S., Park, J.D. and Yang, J.W. (2003) Present and its prospect of red ginseng efficacy research. Food Ind. Nutr., 8(2), 30-37
  3. Jee, H.K., Cho, Y.J., Kim, C.T., Jang, Y.S. and Kim, C.J. (2006) Increase of solubility of Ginseng Radix by extrusion cooking. Korean J. Food Sci. Technol., 38(3), 361-368
  4. Kim, M.R., Kim, I.H. and Shim, J.H. (2005) The analysis of volatile components of fresh ginseng, red ginseng and white ginseng by solvent free solid injector(SFSI) techniques. Kor. J. Environ. Agric., 24(2), 164-16 https://doi.org/10.5338/KJEA.2005.24.2.164
  5. Payne, F.A., Taraba. and Saputa, D.A. (1989) Review of puffing processes for expansion of biological products. J. Food Eng., 10, 183-197 https://doi.org/10.1016/0260-8774(89)90025-3
  6. Ryu, G.H. (1995) Extrusion process by gas injection. Food Sci. Ind., 28, 30-41
  7. Diosady, L.L., Rizvi, S.S.H., Cai, W. and Jagdeo, D.J. (1996) Moisture sorption isotherms of canola meals and applications to packaging. J. Food Sci., 61, 204-208 https://doi.org/10.1111/j.1365-2621.1996.tb14760.x
  8. Song, J.C. and Park, H.J (1995). Physical, functional, textural and rheological properties of foods. Ulsan Univ. Press, p.216-225
  9. Kim, D.W. (1992) A study on the flow ability and absortion of model food powders. Ph.D. dissertation, Chungnam National Univ. Daejeon
  10. Basunia, M.A. and Abe, T. (2005) Adsortion isotherms of barley at low high temperature. J. Food Eng., 66, 129-136 https://doi.org/10.1016/j.jfoodeng.2004.03.006
  11. Viollaz, P.E. and Rovedo, C.O. (1999) Equilibrium sorption isotherms and thermodynamic properties of starch and gluten. J. Food Eng., 40, 287-292 https://doi.org/10.1016/S0260-8774(99)00066-7
  12. Jung, S.H., Chang, K.S. and Park, Y.D. (1993) Prediction of water activity for gelatinized model foods. Korean J. Food Sci. Technol., 25, 94-97
  13. Youn, K.S. (1989) Sorption characteristics and moisture content prediction model of coffee with relative humidity and temperature. M.S. thesis Kyungpook National Univ. Daegu
  14. Apostolopoulos, D. and Gilbert, S.G. (1990) Water sorption of coffee solubles by frontal inverse gas chromatography: thermodynamic considerations. J. Food Sci., 55, 475-477 https://doi.org/10.1111/j.1365-2621.1990.tb06790.x
  15. Al-Muhtaseb, A.H. McMinn, W.A.M and Magee, T.R.A. (2004) Water sorption isotherms of starch powders Part I. Mathematical description of experimental data. J. Food Eng., 61, 297-307 https://doi.org/10.1016/S0260-8774(03)00133-X
  16. Kim, H.K., Park, M.H., Shin, D.H. and Min, B.Y. (1984) Color changes and sorption characteristics of whole red pepper with relative humidity and temperature. Korean J. Food Sci. Technol., 16(4), 437-442
  17. Shin, H.K., Hwang, S.H. and Youn, K.S. (2003) Absorption characteristics and prediction model of ginger powder by different drying methods. Korean J. Food Sci. Technol., 35(2), 211-216
  18. Kim, H.K., Jo, K.S., Kang, T.S. and Shin, H.S. (1987) Browning and sorption characteristics of dried garlic flakes with pelative humidity and storage temperature. Korean J. Food Sci. Technol., 19(2), 176-180
  19. Ko, J.W., Lee, W.Y., Lee, J.H., Ha, Y.S. and Choi, Y.H. (1999) Absorption characteristics of dried shiitake mushroom powder using different drying methods. Korean J. Food Sci. Technol., 31(1), 128-137
  20. Kwon, Y.J., Kwon, J.H., Park, G.H., Park, Y.K. and Yang, H.C (2006) Food chemistry. Youngchi Publishing Co., Seoul, Korea, p.29-34
  21. Youn, K.S. (2004) Absorption characteristics of green tea powder as influenced by particle size. J. Korean Soc. Food Sci. Nutr., 33(10), 1720-1725 https://doi.org/10.3746/jkfn.2004.33.10.1720
  22. Sukumar, D., Hermavathy, J. and Bhat, K.K. (2002) Moisture sorption studies on onion powder. Food Chem., 78, 479-482 https://doi.org/10.1016/S0308-8146(02)00161-9
  23. Bonquet, R., Chrife, J. and Igleasis, H.A. (1978) Equations for fitting water sorption isotherms of foods. II. Evaluation of various two-parameter model. J. Food Technol., 13, 319-322 https://doi.org/10.1111/j.1365-2621.1978.tb00809.x