Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Improving the Stability of Gel Mass of Vegetable Soft Capsule

식물성 연질캡슐의 겔 조성물 안정성 개선 연구

  • 이연희 (대구가톨릭대학교 약학대학) ;
  • 원권연 (대구가톨릭대학교 약학대학)
  • Received : 2016.03.23
  • Accepted : 2016.05.12
  • Published : 2016.05.31
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Abstract

The objective of this study is to determine the physical characteristics of the gel mass of vegetable soft capsules and to maintain their rheological stability for improving manufacturability. The effect of each capsule shell component on the viscosity of the gel mass was studied for 6 hours, and the effects of adding an alkalizer or electrolytes to neutralize the sulfate groups on the carrageenan molecule were also investigated. Carrageenan was identified as a major component that affects the viscosity of the gel mass, and it showed unstable properties with age. The viscosity and stability of the gel mass were remarkably improved when an alkalizer or electrolytes were added at 3.0% relative to the carrageenan. 3.6 M KCl showed the highest effect on increasing the viscosity. A stable gel mass composition for vegetable soft capsules was successfully developed, which can be considered to increase the application of the capsules in the pharmaceutical and food industries.

본 연구의 목적은 식물성 연질캡슐의 원활한 대량생산을 위하여 피막형성용 겔 조성물(gel mass)의 유동학적 특성 및 안정성에 영향을 미치는 요인을 파악하고 겔 조성물의 적절한 점도 및 안정성을 확보하는 것이다. 실험방법으로는 겔 조성물의 각 구성성분이 점도에 미치는 영향을 안정성 확보 목표시간인 6시간 동안 확인하였고 또한, 카라기난에 강알칼리 또는 전해질을 첨가하여 황산기를 중화함으로써 얻어지는 겔 조성물의 특성도 평가하였다. 결과로 강알칼리 및 강전해질을 첨가 시 상대적으로 적은 양의 카라기난이 사용되어도 겔 조성물의 점도가 증가함은 물론 안정성도 향상되는 효과를 확인할 수 있었다. 특히 이오타 카라기난 3.0%에 황산기를 중화 시킬 수 있는 당량농도와 첨가용액 중 3.6 M KCl을 첨가했던 조성에서 최고의 점도 증가율 및 안정성을 확보할 수 있었다. 이상의 결과를 산업분야에 적용시 의약품 뿐 아니라 건강식품 등 다양한 분야에서 식물성 연질캡슐 생산의 응용을 확대할 수 있을 것으로 사료된다.

Keywords

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