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KMID : 1134820160450020222
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Journal of the Korean Society of Food Science and Nutrition
2016 Volume.45 No. 2 p.222 ~ p.229
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Preparation and Quality Characterization of Low Sugar Sansuyu Jam Using Fresh Corni fructus
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Park Su-Jin
Lee Gyeong-Eun
Kim Yong-Joo
Jeung Ji-Suk
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Abstract
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Corni fructus is often distributed or processed in the form of dried fruit. However, Corni fructus is hard to develop due to its distinctive sour, bitter, and astringent taste. The aim of this study was to develop a puree to broaden the utilization of fresh Corni fructus. Manufacturing and quality characteristics of Sansuyu jam made from puree were investigated. Seeded Corni fructus pulp consisted of 20 to 26% whole fruit. The moisture and sugar contents of pulp were 52∼63% and 15∼31°Brix, respectively. Sterilized distilled water was added to seeded pulp to achieve a constant solids content in the puree. As the pectin content was low as 0.14±0.01%, gelling agent was added to produce jam. The moisture content of the puree increased to 83∼88%. The sugar content was reduced to 10°Brix. There was no significant difference in pH. DPPH radical scavenging activities of the puree according to ripening rate at a concentration of 100 ppm were 47.92% and 50.96%, respectively. The preference degree was 5.03±0.97 at a ripening ratio of 50:50, 2% pectin, and 0.2% carrageenan. These results imply that Corni fructus pulp puree may be appropriate for development as a natural food product.
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KEYWORD
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Corni fructus, Sansuyu, jam, gelling, pulp puree
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