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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.13 No.1
- 발행연도
- 2008.3
- 수록면
- 28 - 32 (5page)
이용수
초록· 키워드
오류제보하기
Water vapor sorption by sodium alginate-based films may result in swelling and conformational changes in the molecular structure and affecting the water vapor barrier properties. Sodium alginate film specimens were dried in a vacuum freeze dryer and their moisture content was determined by an air-oven method. The water vapor absorption was determined at two different levels of water activities (0.727 and 0.995) and at three temperatures (10, 20, and 30℃), and kinetics were analyzed using a simple empirical model. Reasonably good straight lines were obtained with plotting of 1/(m-m?) vs 1/t. It was found that water vapor absorption kinetics of sodium alginate films were accurately described by a simple empirical model. The rate of water vapor sorption increased with increase in temperature and it showed temperature dependency following the Arrhenius equation. The activation energies varied from 49.18∽149.55 kJ/mol depending on the relative humidity.
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
참고문헌 (19)
참고문헌 신청
1. [학술지(정기간행물)] - Pavlath AE / 1999 / Ionomeric films of alginic acid / J Food Sci 64 : 61 ~ 63
2. [학술지(정기간행물)] - 임종환 / 2003 / CaCl2의 처리에 의한 알긴산 필름의 물성개선 / 한국식품과학회지 35 (2) : 217 ~ 221
3. [학술지(정기간행물)] - 임종환 / 2004 / 해조분말을 이용한 생분해성 필름의 제조 / 한국식품과학회지 36 (1) : 69 ~ 74
4. [학술지(정기간행물)] - Rhim JW / 2004 / Physical and mechanical properties of water resistant sodium alginate films / Lebensm-Wiss Technol 37 : 323 ~ 330
5. [학술지(정기간행물)] - Roger S / 2006 / Preparation and effect of Ca2+ on water solubility, particle release and swelling properties of magnetic alginate films / J Magn Magn Mater 305 : 221 ~ 227
2. [학술지(정기간행물)] - 임종환 / 2003 / CaCl2의 처리에 의한 알긴산 필름의 물성개선 / 한국식품과학회지 35 (2) : 217 ~ 221
3. [학술지(정기간행물)] - 임종환 / 2004 / 해조분말을 이용한 생분해성 필름의 제조 / 한국식품과학회지 36 (1) : 69 ~ 74
4. [학술지(정기간행물)] - Rhim JW / 2004 / Physical and mechanical properties of water resistant sodium alginate films / Lebensm-Wiss Technol 37 : 323 ~ 330
5. [학술지(정기간행물)] - Roger S / 2006 / Preparation and effect of Ca2+ on water solubility, particle release and swelling properties of magnetic alginate films / J Magn Magn Mater 305 : 221 ~ 227
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