The effect of packaging materials on quality and physiology activity of Rosa roxburghii Tratt

This research was conducted to study the effect of different packaging on the postharvest quality, the ascorbic acid oxidase (AAO) , ascorbate peroxidase (APX) activities and ascorbic acid contents of Rosa roxburghii Tratt, and to explore the optimal packaging material at low temperature. Results showed that CO2 and O2 concentration in foam boxes were respectively increased gradually and declined. As compared with PE film packaging, the polystyrene foam boxes packaging was significantly better in preventing the decreasing of reducing sugar, ascorbic acid and titratable acid (TA) . Only at the later stage of storage (after 28d) total soluble solids (TSS) and weight loss showed significant effect between two packaging materials (p<0.05) . However, the polystyrene foam boxes packaging showed no significant effect on the rotting rate, Malondialdehyde (MDA) , AAO and APX activities. Compared with PE film packaging, polystyrene foam boxes packaging exhibited a great effect on the storage quality of Rosa roxburghii Tratt.