Effects of postharvest temperature fluctuation on carotenoids and sugar in mangoes (Mangifera indica L.) cv. Piqueno.
Munoz, V. R. S.; Lizana M., L. A.; Galletti G., L.; Luchsinger, L.;
IDESIA Year: 1998 Vol: 15 Pages: 7-13 Ref: 24 ref.
1998
บทคัดย่อ
Mango cv. Piqueno fruits grown in northern Chile were first treated according to quarantine standards (hot water immersion at 46.5 deg C for 65 min) and then shipped south by air for laboratory testing in the Centro de Estudios en Post-Cosecha (CEPOC), Universidad de Chile, Santiago. Four treatments with combinations of thermic fluctuations (high and low temperatures) was used. Data indicated that the best results were obtained when fruits were stored at a combination of initial and final low temperatures with an intermediate period at a higher temperature (e.g. 6 deg C during the first 10 days, 13 deg C for the next 10 days, and 6 deg C again for the last 10 days). Fruits stored under continuous low temperature (6 deg C) did not develop carotenoid pigments. On the other hand, continuous treatment at 13 deg C caused a moderate delay in ripening, thus being feasible only for storage periods of less than 20 days.