Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effects of Packaging Treatment on Quality of Fresh-cut Mushrooms (Agaricus bisporus Sing.) during Storage

신선편이가공 양송이의 포장방법에 따른 품질변화

  • Published : 2006.02.01
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Abstract

The effects of packaging material and method on quality of fresh-cut mushrooms (Agaricus bisporus Sing.) were investigated in terms of weight loss, surface color, phenolics, vitamin C and sensory characteristics during storage at $5^{\circ}C$. The fresh-cut mushrooms were subjected to passive, gas exchange and vacuum packaging conditions at st. Polyethylene film (PE), polypropylene film (PP), anti-fogging film (AP) and pen orated film (PF) were used for the passive packaging. The mixed gas of $5\% CO_2/\;2\%O_2$ (MA1) and $10\%CO_2/\;2\%O_2$(MA2) were applied for the gas exchange packaging. The respiration rate of sliced mushroom was 1.27 times higher than intact mushroom at $5^{\circ}C$. Gas concentrations in the passive packaging were $1-2\%\;O^2\;and\;5-16\%m$ during storage of sliced mushrooms for 14 days at $5^{\circ}C$, and levels of the gases were different by the films used The mushroom in perforated film (PF) showed the highest weight loss of $4.56\%$. Anti-fogging film (AF) was somewhat effective for prevention of the weight loss compared with other films after 14 days storage. The mushrooms in MA1 and MA2 packages showed lower delta L value than in other films. PE packaging mitigated decrease of free and bound phenolics during storage. The mushrooms in MA2 kept better quality in sensory aspect, and then in MA1, PE and PP in order during storage at $5^{\circ}C$.

절단 양송이를 polyethylene film (PE), polypropylene film (PP), anti-fogging film (AF), perforated film (PF)을 사용한 일반 MA포장과, Nylon/PP film을 이용한 가스치환포장 (MA1, MA2) 및 진공(VF)포장 한 후 $5^{\circ}C$에 저장하면서 중량, 표면색, 페놀화합물, 비타민 C 및 관능적 품질 변화를 조사하였다. 저장 중 양송이의 호흡률은 절단 한 것이 절단하지 않은 것에 비하여 1.27배 높았다. 일반 MA포장내 산소가스농도는 밀봉 3일 이후 $1\~2\%$ 내외로 안정되었고, 탄산가스농도는 포장구에 따라서 $5\~15\%$ 내외로 유지되었다. 중량과 갈변도의 변화는 PP포장구에서 적었고, 경도는 PF포장구에서 가장 많이 변하였다. 유리 및 결합형 페놀화합물은 저장중 조금씩 감소하는 경향을 나타내었으며, PE포장구에서 변화가 가장 적었다. 비타민 C함량의 경우 PF포장구에서 가장 낮은 변화를 나타내었다. 관능적 품질 평가결과 저장 10일까지 MA2 포장구가 표면색 및 경도 측면에서 가장 우수하였으며, 그 다음으로 MA1, PE포장구 및 PP포장구였다. 본 연구결과, 전반적으로 MA2포장방법이 색, 경도, 비타민 C함량 및 관능적인 면에 있어 절단 양송이 저장방법으로 가장 우수한 양상을 나타내었다

Keywords

References

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