당알코올로 코팅한 껌의 제조특성과 색택변화에 관한 연구

Manufacturing Characteristics and Its Color Change of Chewing Gum coated Various Polyols

  • 이수한 (을지대학교 식품산업외식학과) ;
  • 이종록 (을지대학교 식품산업외식학과) ;
  • 김정환 (을지대학교 식품산업외식학과)
  • Lee, Su Han (Dept. of Food Science & Service, Eulji University) ;
  • Lee, Jong Rok (Dept. of Food Science & Service, Eulji University) ;
  • Kim, Jung Hoan (Dept. of Food Science & Service, Eulji University)
  • 투고 : 2015.11.15
  • 심사 : 2015.12.05
  • 발행 : 2015.12.31

초록

무설탕 원료로서 xylitol, maltitol, isomalt, erythritol 및 sorbitol을 껌의 코팅 재료로 사용하여 코팅 공정 중 제조특성과 외관을 비교하였고, 코팅 후 표면 균일성, 색택 변화, 코팅시간, 건조시간 등을 비교하였을 때 maltitol이 가장 우수하였으며, erythritol과 sorbitol은 코팅품질과 코팅시간이 길어지는 등의 생산성과 품질면에서 껌의 코팅 소재로는 부적합하였다. 이에 maltitol, xylitol 및 isomalt로 코팅한 껌을 고온 저장하면서 코팅층의 색택 변화를 분석한 결과, maltitol 코팅껌의 경우 $80^{\circ}C$, 1일간 저장시 ${\Delta}E$값은 2.88로 상온보관 시료와 비교하여 색상의 변화가 비교적 작았으나, xylitol과 isomalt 코팅껌은 색상의 변화가 크게 나타났다. 또한, maltitol 코팅껌을 polypropylene 포장재에 넣고 저장 중 색택의 변화를 관찰한 결과, $40^{\circ}C$이하에서는 색택의 변화가 적었으며, $60^{\circ}C$에서도 30일간 저장시 색차는 3 이하로 나타나 유통과정 상 품질의 변화가 적을 것으로 판단되었다. 그러나 본 실험은 색상변화로만 저장 중 변화를 평가하였던 바, 향후 당알코올류를 코팅제로 사용한 코팅껌의 저장 중 품질에 대한 추가적인 연구가 진행되어야 할 것이다.

This study was carried out to evaluate the possibility of polyols for coating material of chewing gum. Five polyols xylitol, maltitol, isomalt, erythritol, and sorbitol were compared the coating quality, coating and drying time, and color differences. Maltitol was evaluated to be the best quality for coating the gum, whereas erythritol and sorbitol were not considered for coating materials for gum. These results derived from irregular surface layer and low productivity due to increased coating time. According to changes in color of chewing gum, samples coated maltitol and xylitol and isomalt stored at high temperature. In addition, color difference of sample coated maltitol was calculated 2.88 stored at $80^{\circ}C$ for 1 day, but those of xylitol and maltitol were highly evaluated. Sample coated maltitol in polypropylene bag was stored and measured for 1 month. Changes in color of sample was slightly occurred at below $40^{\circ}C$ and the color difference was not more than 3 at $60^{\circ}C$. Chewing gum coated maltitol as coating material was expected more stable in the quality of color during distribution. Current study was performed to color changes during storage, further study will be proceeded about shelf-life of chewing gum coated polyols.

키워드

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