Quality, storability, and essential oil content of Ligularia fischeri during modified atmosphere packaging storage.
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Modified atmosphere packaging (MAP) enhanced the quality and storability of Ligularia fischeri. Oxygen transmission rate (OTR) films were used as a MAP. MAP storage displayed lower fresh weight loss than perforated film. The oxygen, carbon dioxide, and ethylene concentration were properly maintained by a 10,000 cc OTR packaging film at 8 °C and 30,000 cc OTR packaging film at 24 °C. On the last day of storage, the off-odor, such as the acetaldehyde and ethanol concentration, was the lowest in the 10,000 cc OTR film at 8 °C and 30,000 cc OTR film at 24 °C treatments. The 10,000 cc OTR film treatment at 8 °C and 30,000 cc OTR film treatments at 24 °C had the highest chlorophyll content, total phenolic content, leaf toughness, antioxidant activity, vitamin C, and less off-flavor. The shelf life of 10,000 cc OTR film was 13 days, at 8 °C storage temperature. At 24 °C storage temperature, the shelf life of 30,000 cc OTR film was 4 days. The MAP storage of the Ligularia treated with 10,000 cc OTR film at 8 °C and 30,000 cc OTR film at 24 °C had the highest essential oil content. These results suggest that the best MAP film for cold-chain distribution was the 10,000 cc OTR film, and the 30,000 cc OTR film was a more suitable MAP film for local distribution without the cold-chain system of L. fischeri.