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Anatomical Changes and Anthocyanin Contents of the Exocarp by Ethyl Oleate Treatment on 'Merlot' Grapes  

Lee, Byul-Ha-Na (Department of Applied Plant Science, Chung-Ang University)
Kwon, Yong-Hee (Department of Applied Plant Science, Chung-Ang University)
Shin, Kyoung-Hee (Department of Applied Plant Science, Chung-Ang University)
Park, Hee-Seung (Department of Applied Plant Science, Chung-Ang University)
Publication Information
Horticultural Science & Technology / v.28, no.3, 2010 , pp. 370-373 More about this Journal
Abstract
Preharvest treatment with 4% ethyl oleate on 'Merlot' ($Vitis$ $vinifera$ L.) grape reduced the thickness of the epidermal and hypodermal layers with significantly enhanced pigmentation. Thickness of the skin in treated berries was $90-107{\mu}m$, whereas those in control berries were $126-189{\mu}m$. Decreases in the thickness of epidermal and hypodermal cell layers seemed to be due to cellular death or dehydration by rapid senescence after the treatment. Immediate change observed in treated berries was the deformation of the wax that appeared melted resulting in color improvement. Total anthocyanin was also increased by ethyl oleate treatment. Separate forms of anthocyanins, acylated and methoxylated anthocyanins increased, whereas hydroxylated anthocyanins tended to decrease.
Keywords
epidermis; hypodermis; morphology; pigmentation; Vitis vinifera L.;
Citations & Related Records

Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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