บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

Postharvest changes of EFE activity, ACC and polyamine contents in cortex and pith of pear fruits and its relation to ethylene production.

Wei Jun; Tanabe, K.;

Acta Phytophysiologica Sinica Year: 1995 Vol: 21 Issue: 2 Pages: 136-142 Ref: 10 ref.

1995

บทคัดย่อ

Postharvest changes of EFE activity, ACC and polyamine contents in cortex and pith of pear fruits and its relation to ethylene production.

 

The pear (Pyrus pyrifolia) cultivars Kikusui and Nijisseiki produce peaks of ethylene production 9 and 18 days after harvesting. The rate of ethylene production was found to be closely linked to the activity of the ethylene-forming enzyme (EFE), the content of 1-aminocyclopropane-1-carboxylic acid (ACC), and polyamine metabolism. The pith consistently had a greater EFE activity than the cortex yet the ACC content was similar in both tissues. The polyamines putrescine, spermidine and spermine were found in the fruits of both cultivars; putrescine and spermidine predominated during the postharvest period, then declined in line with ACC production.