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Preliminary study on effects of modified atmosphere packaging on postharvest storage of longan fruit.

Zhang, D.; Quantick, P. C.;

Postharvest Horticulture Series - Department of Pomology, University of California Year: 1997 Issue: No. 17 Pages: 90-96 Ref: 13 ref.

1997

บทคัดย่อ

Preliminary study on effects of modified atmosphere packaging on postharvest storage of longan fruit.

Longan (cv. Shixia) fruits were stored in polyethylene bags (0.03 mm film) in modified atmospheres consisting of 1% O2 + 5% CO2, 3% O2 + 5% CO2, 10% O2 + 5% CO2 or air (21% O2) for 7 days at room temperature (about 25 deg C) or 35 days at 4 deg . Storage in a modified atmosphere (MA) consisting of 1% O2 + 5% CO2 or 3% O2 + 5% CO2 delayed browning of the peel by 2 days and one day at room temperature, respectively, and by 7 days and 5 days at 4 deg , respectively, inhibited fruit respiration, maintained total soluble solids and ascorbic acid levels in the fruits, and partially inhibited polyphenol oxidase [catechol oxidase] activity. MA consisting of 10% O2 + 5% CO2 was not as effective as the above treatments. Taste panel results indicated that the MA treatment consisting of 1% O2 + 5% CO2 produced slight off-flavours.