|
KMID : 0903619990400030345
|
|
Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 3 p.345 ~ p.348
|
|
|
Effects of Pre- or Post-harvest Application of Calcium Compound Extracted from Oyster Shell on the Changes in Cell Wall Calcium Content, Enzyme Activity, and Cell Structure during Storage of Apple Fruits
|
|
|
|
|
Abstract
|
|
|
|
The application of OS-Ca (calcium compound extracted from oyster shell) resulted in significant increase of calcium on cell walls. Calcium in treated cell wall was still remained in higher concentration until 90 days during storage. No clear tendency of wall hydrolase activity was found in OS-Ca treated fruit. The activity of polygalacturonase was detected at very low level in both cultivars regardless of treatments, whereas β-galactosidase activity was lower until 90 days during storage in OS-Ca treated ´Fuji´ fruit. Electron microscopic image clearly showed the severe degradation of middle lamella in untreated fruit after 120 days of storage, but it was not found in OS-Ca treated one.
|
|
|
KEYWORD
|
|
|
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|