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항균성 플라스틱 필름을 이용한 딸기의 환경기체조절포장 Modified Atmosphere Packaging of Fresh Strawberries by Antimicrobial Plastic Films

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한국식품과학회 한국식품과학회지 한국식품과학회지 제30권 제5호
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1,140 - 1,145 (6page)
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피인용 8

항균성 플라스틱 필름을 이용한 딸기의 환경기체조절포장
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    초록·키워드

    Low density polyethylene (LDPE) films incorporated with 1% antimicrobial agents of Rheum palmatum extract, Coptis chinensis extract, and Ag-substituted inorganic zirconium matrix, were applied to modified atmosphere packaging of 200 g fresh strawberries. Plain LDPE film package, PVC wrap and perforative pinhole package of the film impregnated with 1% Rheum palmatum extract were also constructed for comparative purpose. All the packages were stored for 13 days at 5°C and measured in package atmosphere, microbial count and quality attributes of the strawberry fruits. The antimicrobial LDPE films retarded the growth in total aerobic bacteria, lactic acid bacteria and yeast on the fruits, and resulted in significantly lower decay. The degrees of reduced microbial growth and fruit decay in the antimicrobial film packages were more pronounced, when applied by hermetical sealing to produce the modified atmospheres of low O₂ (<4.0%) and CO₂ concentrations with 6.3~9.0%. The hermetically sealed packages of antimicrobial LDPE films also showed better retention of fruit firmness and did not give any negative effect on the physical and chemical qualities of strawberries.

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      UCI(KEPA) : I410-ECN-0101-2013-573-001628858