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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Optimization for Roast Flavour Formation of Platycodon grandiflorum Tea

도라지차의 구수한 향미 발현 최적화

  • Published : 2000.10.01
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Abstract

Response surface methodology was used to optimized soaking and roasting conditions and monitor organoleptic properties of roasted Platycodon grandiflorum tea. In soaking and roasting processes based on the central composite design with variations in threonine/sucrose concentration for soaking of Platycodon grandiflorum, roasting temperature and roasting time, coefficients of determination ($R^2$) of the models were above 0.86(p<0.05) in organoleptic properties. The maximum conditions predicted for each corresponding organoleptic properties of roasted Platycodon grandiflorum tea were 1.64% threonine concentration, 137.83$^{\circ}C$ and 27.76 min in aroma, 1.46% threonine concentration, 136.1$0^{\circ}C$ and 25.19 min in taste, and 1.39% threonine concentration, 136.44$^{\circ}C$ and 29.05 min in overall flavour. The optimum condition ranges for organoleptic properties of roasted Platycodon grandiflorum tea were soaking in 1.40~1.64% threonine concentration, and roasting at 136.10~137.9$0^{\circ}C$ for 25.19~29.00 min.

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References

  1. Botany (in Korean) Lee, S.I.
  2. A pictorial book of the Korean flora (in Korean) Lee, C.B.
  3. J. Korean Agric. Chem. Soc. v.40 Chemical comosition of Platycodon grandiflorus(jacquin) A. de Candolle (in Korean) Chung, J.H.;Shin, P.G.;Ryu, J.C.;Jang, D.S.;Cho, S.H.
  4. A botanical list (in Korean) Lee, S.J.
  5. Kor. J. Pharmacog. v.5 Pharmacological studies on platycodi radix Lee, E.B.
  6. J. Korean Soc. Food Sci. Nutr. v.23 Effect of platycodi radix saponin on serim, liver, and fecal lipids content in rats fed on high fat diet (in Korean) Park, M.H.;Lee, Y.J.;Hwang, S.W.;Han, J.P.;Bae, M.J.
  7. Korean J. Food Sci. Technol. v.30 Effects of Platycodon grandiflorum DC extract on the growth of cancer cell lines (in Korean) Lee, J.Y.;Hwang, W.I.;Lim, S.T.
  8. J. Korean Soc. Food Nutr. v.16 Flavor components in the bellflower roots Chung, T.Y.;Kim, J.L.;Hayase, F.;Kata, H.
  9. 한국식품개발연구원 연구보고서 도라지를 이용한 기능성식품의 개발 박무현;박용곤;한대석;강윤환;진재순;김석중;선문식
  10. Korean J. Food Sci. Technol. v.31 Monitoring for the color formation of a doraji tea by soaking of threonine and sucrose solution and roasting (in Korean) Lee, G.D.;Jeong, Y.J.;Park, N.Y.;Kwon, J.H.
  11. J. Korean Soc. Food Sci. Nurt. v.26 Dynamic changes in browning reaction substratesk of polygonatum odoratum roots during roasting (in Korean) Kwon, J.H.;Ryu, K.C.;Lee, G.D.
  12. Proceeding of the 3rd Intl. Sym. on the Maillard Reaction Model reactions on roast aroma formation, the reaction of serine and threonine with sucrose. Amino-Carbonyl Reactions in Food and Biological Systems Baltes, W.;Bochmann, G
  13. Ph.D. Thesis A study on the ingredients of chicory harvested in Korea and coffee (in Korean) Choi, M.K.
  14. J. Food Sci. v.57 Response surface methodology Motycka, R.R.;Devor, R.E.;Bechtel, P.J.
  15. J. Korean Soc. Food Sci. Nutr. v.27 Optimization of roasting conditions of Polygonatum sibiricum roots by a pressure roastor (in Korean) Kim, M.B.;Kim, D.K.;Lee, G.D.;Kwon, J.H.