Seasonal changes in pectinmethylesterase and polygalacturonase activities in persimmon [Diospyros kaki] fruit
1991
Matsui, T. (Kagawa Univ., Miki (Japan). Faculty of Agriculture) | Kitagawa, H.
This paper describes the seasonal changes in pectin content and pectinmethylesterase (PE) and polygalacturonase (PG) activities in three cultivars of persimmon fruit, Fuyu, Hiratanenashi and Atago. The highest PE activity was observed in September in the three cultivars. No PE activity was observed at the mature stage. The pattern in the changes of PG activity was the same in the three cultivars The total pectin (TP) content of "Hiratanenashi" and "Atago" was highest in July, while that of "Fuyu" was highest in October. Water soluble pectin (WSP) was lowest in November for "Hiratanenashi" and "Fuyu", and in December for "Atago"
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