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Quality Properties of Hallabong Tangor(Citrus Kiyomi ${\times}$ ponkan) Cultivated with Heating  

Lee, Sang-Hyup (Faculty of Biotechnology, Cheju National University)
Kim, Hwa-Sun (South Agricultural Development and Technology Center)
Cho, Sung-Won (Faculty of Biotechnology, Cheju National University)
Lee, Joong-Suk (South Agricultural Development and Technology Center)
Koh, Jeong-Sam (Faculty of Biotechnology, Cheju National University)
Publication Information
Food Science and Preservation / v.13, no.5, 2006 , pp. 538-542 More about this Journal
Abstract
Physicochemical properties and positional distribution of Hallabong Tangor (Citrus Kiyomi ${\times}$ ponkan) cultivated in heated greenhouse were investigated. About 90% of Hallabong produce fruit within the range of $250{\sim}400g$ fruit weight on a tree, larger fruits were mainly consisted of $400{\sim}450g$ in M16A, a variant species of Hallabong, due to younger tree and fruit thinning. Nevertheless fruit sizes of M16A were larger than Hallabong, and peel thickness of M16A (3.29 mm) was thinner than that of Hallabong (3.51 mm). Hardness of m6h was 994.69g-force, compared to 832.8 g-force of Hallabong on the average. Soluble solids and acid content of Hallabong were $12.20{\sim}12.98^{\circ}Brix$ and $1.08{\sim}1.14%$, while those of M16A were $1.48{\sim}12.63^{\circ}Brix$ and $0.92{\sim}1.00%$, respectively. Vitamin C content of Hallabong was $71.30{\sim}78.77 mg/100 g$, compared to $64.40{\sim}68.01mg/100g$ in M16A. Soluble solid in the part of stem was lower than that of end part among the same segment. Fruit size in the upper part of the tree was larger, the peel was thicket and flesh ratio was lower than the middle or lower part. However, soluble solids and acid content were high, due to cumulative sunshine during cultivation.
Keywords
Hallabong tangor; citrus; quality property; physicochemical property;
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