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황금추출물을 함유한 항균성 포장필름을 이용한 딸기와 오이의 저장효과 KCI 등재 SCOPUS

Preservation of Strawberries and Cucumbers Packaged by Low density polyethylene film impregnated with antimicmbial agent, Scutellariae baicalensis extract

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한국식품저장유통학회 (The Korean Society of Food Preservation)
초록

항균력의 우수성이 확인된 황금추출물을 포장필름소재로 개발하여 과채류에 대한 포장실험을 한 결과는 다음과 같다. 즉, 1% 농도로 황금추출물을 첨가시킨 저밀도 폴리에틸렌(LDPE) 필름에 의하여 딸기를 포장하고 5에서 저장하면서 품질변화를 실험한 결과 무첨가 대조필름에 비해 호기성 총균수, 곰팡이 및 효모수로 측정된 미생물의 증식을 억제하는 것으로 나타났다. 이러한 미생물 증식억제의 효과로 인하여 항균성 필름은 포장된 딸기의 부패율을 낮추어 주고,

To develop a wrapping film, which suppresses the microbial decay through the storage and prolongs the selflife of fruits and vegetables, the antimicrobial packaging films were prepared and applied to the preservation of strtwberries and cucumbers. Low density polyethylene(LDPE) film of 50㎛ thickness was faricated with 1% of Scutellariae baicalensis extract. The LDPE film impregnated with Scutellariae baicalensis extract showed antimicrobial activity on the disk test against Bacillus cereus, Escherchia coli and Fusarium sp.. The antimicrobial film changed the color and light transmittance, but did not affect heat shrinkage, mechanical tensile strength and wattability. Strawberries and cucumbers were separately wrapped with packaging films in the state of closely-adhered packaging as well as modified atmosphere packaging(MAP). The wrapped strawberries and cucumbers were stored for 21 days at 5 and for 40 days at l0, respectively. For the packaged strawberries and cucumbers at 5 and 10, the LDPE film impregnated with Scutellariae baicalensis extract showed the reduced growth of total aerobic bacteria, molds and yeasts and did not give any negative effect on other quality attributes during storage in comparison with conttrol film without any additive.

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