Abstract
Post harvest changes in the activities of peroxidase (PO) and acid phosphatase (AP) and the quantities of protein, chlorophyll and polyphenols in both summer and autumn cabbages stored at 2-4°C or 19-21°C in polyethylene bags with or without perforation were investigated.The decrease of chlorophyll in cabbages was more remarkable when stored at 19-21°C than at 2-4°C, and it was also more remarkable when stored in bags with many perforations than in non-perforated bags. The activity of PO and the changes of polyphenols in cabbages did not show a certain tendency during storage.As the results, it seems that the content of chlorophyll as well as protein and the activity of acid phosphatase could be the indicator of freshness of cabbages because a certain correlation was found between their values and the degree of freshness.
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