Phytochemical composition of onion during long-term storage

Title
Phytochemical composition of onion during long-term storage
Author(s)
살마카비타Leonid Asnin[Leonid Asnin]고은영[고은영]이을태[이을태]박새원[박새원]
Keywords
ALLIUM-CEPA L.; NITROGEN-FERTILIZER LEVEL; QUERCETIN CONTENT; FLAVONOL GLUCOSIDES; MALEIC HYDRAZIDE; LIFTING TIME; BULBS; CULTIVAR; DORMANCY; TEMPERATURE
Issue Date
201502
Publisher
TAYLOR & FRANCIS AS
Citation
ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE, v.65, no.2, pp.150 - 160
Abstract
Onion cultivar "Sunpower" has growing popularity in Korea due to high storability. The present study considers changes in flavonols, sugars, and two amino acids in onion bulbs during a long-term storage in the ambient dark storage room and in glasshouse equipped with a climate control system. Flavonol and sugar contents were found to fluctuate noticeably during the storage period. Amino acid content remained relatively unchanged till the onset of inner sprouting, increasing afterward. Visible sprouts appeared at week 22 in the dark storage room and for four weeks later in the glasshouse. The bulbs lost 20-30% of their weight depending on storage conditions at the end of the storage trials. At the same time, the content of nutraceutics in study expressed on the dry weight basis remained of the same order of magnitude. The nature of observed variations in chemical composition of onions as well as relation of this phenomenon to physiological development of stored onion bulbs is discussed. A conclusion is made that the "Sunpower" onion cannot sustain overwinter storage.
URI
http://hdl.handle.net/YU.REPOSITORY/33496http://dx.doi.org/10.1080/09064710.2014.983151
ISSN
0906-4710
Appears in Collections:
공과대학 > 화학공학부 > Articles
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