ISHS Acta Horticulturae 485: International Symposium Effect of Pre- & Postharvest factors in Fruit Storage
ENZYMATIC ACTIVITY CHANGES IN SPONGY TISSUE: A PHYSIOLOGICAL RIPENING DISORDER OF ‘TOMMY ATKINS’ MANGO |
| Authors: | L.C. de Oliveira Lima, A.B. Chitarra, M.I.F. Chitarra, E.B. Silva |
| Keywords: | polyphenoloxidase, peroxidase, penylalanine ammonia-lyase, mango, spongy tissue |
| Abstract:
Changes in peroxidase (POD), polyphenoloxidase (PPO) and phenylalanine ammonialyase (PAL) activities during ripening of mango fruits (Mangifera indica L.) cv. Tommy Atkins, were measured. Samples were divided into 3 groups : F1= half of healthy fruit; F2 = healthy half of fruit affected by spongy tissue and F3 = spongy tissue-affected half of fruit with disorder. The fruit with spongy tissue has exhibited much higher POD end PPO activities than healthy fruit during storage at 12 ± 2°C and 90± 5% RH for 28 days. | |
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