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Onion bulbs were stored at five different temperatures to know the storage behavior of onion bulbs. Indian red onion bulbs were kept without wrapping at ambient conditions 25℃ ± 3℃ and 75% RH and within polyethylene pouch at 2.5℃, 6℃, 7℃ and 13℃ for 60 days of storage period. Weight loss, total soluble solids TSS, number of sprouted and rotten bulbs were measured at an interval of 10 days throughout storage. The greatest decrease 23.25% in weight was observed throughout storage for onions stored at ambient conditions. TSS was observed to increase in all samples until 40 days of storage and then decreased up to 60 days. Lowest TSS 14.89 ?Bx was found in onion stored at ambient conditions at the end of storage. Maximum sprouted 67.25% and rotten 17.78% onions were observed for onions stored at 13℃, whereas minimum sprouted and rotten onions were found at 2.5℃ at 60 days of storage. Results also recommend lowest temperatures 2.5℃ - 6℃ for prolong storage life of onion with no detrimental effects.

KEYWORDS

Onion, Onion Bulb, Allium cepa, Physiological, Storage Behavior

Cite this paper

Sohany, M. , Sarker, M. and Mahomud, M. 2016 Physiological Changes in Red Onion Bulbs at Different Storage Temperature. World Journal of Engineering and Technology, 4, 261-266. doi: 10.4236-wjet.2016.42025.





Autor: Mouluda Sohany1*, Md. Kamal Uddin Sarker2, Md. Sultan Mahomud1

Fuente: http://www.scirp.org/



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