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Effect of Drying Temperature on High Quality Functional Processed Products of Chinese Matrimony Vine
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 Title & Authors
Effect of Drying Temperature on High Quality Functional Processed Products of Chinese Matrimony Vine
Ju, Jung Il; Lee, Jeong; Paik, Seung Woo; Yun, Tug Sang; Park, Young Chun; Lee, Bo Hee; Kim, Hyun Ho; Lee, Hee Bong;
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Background : Chinese matrimony vine (Lycium chinense Mill.) is a deciduous shrub belonging to the Solanaceae. The leaves are used as an alternative raw material replacing dried fruits associated with high production costs in many industires. The aim of this experiment was to determine the effect of drying temperature on the leaves used in the manufacture of functional products. Methods and Results : The leaves of Chinese matrimony vine were harvested when the plant height reached 60 - 70 cm in the spring and treated at four different temperatures (, , and ). The time to reach the desiccation state of 20% was 63 h at , 37 h at , 17 h at and 11 h at . The drying rate per hour was 1.28% at , 2.25% at , 4.94% at and 7.60% at . No significant difference were observed in ash, crude fat, polyphenol or rutin content of treated samples. Crude protein and betaine content decreased with higher dry temperatures. Nitrogen free extract of the treated samples increased with higher drying temperatures. Conclusions : Taking into consideration drying time, drying rate, color value, energy consumption and functional ingredients is advantageous to dry the leaves of the Chinese matrimony vine at using a hot air agricultural dryer.
Lycium chinenese;Chinese Matrimony Vine;Drying Temperature;Dry Rate;
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개화기가 빠르고 개장형이면서 다수성인 구기자 신품종 '청홍',주정일;윤덕상;박영춘;이보희;김수동;인민식;김현호;

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