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A Study on the Production and Quality Characteristics of Bacterial Cellulose Film Using Coffee By-Products

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산업식품공학 (Food Engineering Progress)
한국산업식품공학회 (Korean Society for Food Engineering)
초록

This study was carried out to examine the physical characteristics of bacterial cellulose (BC) and its optimal culture condition using coffee by-products. Recently, recycling resources and employing eco-friendly materials have been raised as significant issues in the food industry. As the coffee industry develops, interests and efforts for recycling coffee wastes are also growing. This study attempted to confirm the production of BC by utilizing spent coffee grounds filtrate as a medium. In order to confirm the optimal culture conditions for BC production, different culture methods, initial pH, culture temperature, and culture period were examined. The optimal pH and temperature were 6.0 and 30oC, and the optimal culture period was 14 days. The cultivated BC was dried by hot air drying, freezedrying, and mold drying, respectively. Then, the properties of the BC films, such as tensile strength, elongation, water-solubility, thickness, and chromaticity were compared. The drying method affected the shape and structure of the final BC films. The production of BC film is expected to expand opportunities for recycling coffee by-products and contribute to solving environmental problems caused by food waste.

목차
Abstract
서 론
재료 및 방법
결과 및 고찰
요 약
References
Author information
저자
  • 오해원(국립안동대학교 식품생명공학과) | Hae Won Oh (Department of Food Science and Biotechnology, Andong National University)
  • 이승환(국립안동대학교 식품생명공학과) | Seung Hwan Lee (Department of Food Science and Biotechnology, Andong National University) Corresponding author