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KMID : 1098420080160050306
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Korean Journal of Medicinal Crop Science
2008 Volume.16 No. 5 p.306 ~ p.312
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Changes in Composition of Gugija (Lycii Fructus) Species According to Harvest Time
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Lee Hee-Chul
Lee Bong-Chun
Kim Soo-Dong
Lee Ka-Soon
Paik Seung-Woo
Lee Sox-Su
Kim Seong-Min
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Abstract
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Total sugar, crude protein, crude lipid, ash, total polyphenol, extract and betaine contents of various Lycii fructus species (Cheongyang jaerae, Myungan, Bulro, Cheongdae, Jangmyung, Cheongwoon, Cheongyang NO.6, and Cheongyang NO.7) were investigated according to harvest time at intervals of one momth from mid August to mid November. In Cheongyang NO.6, average content of total sugar and extract were the highest, 28.91% and 62.31%, respectively. In Cheongyang NO.7, crude protein (3.24%), total polyphenol (2.13%), betaine(10.77 mg/g) were the highest and crude lipid (6.82%) was the higest in Cheongdae species, and ash (5.83%) was the highest in Cheongwoon species. At the most of the species (except Cheongyang jaerae, Myungan) crude protein, crude lipid, ash and betaine contents were increased, and total sugar, total polyphenol and extract contents were decreased according to harvest time was lated. Also, a relationship among the components of Lycii fructus was found out. ; excract contents (r = 0.81) were increased as total sugar contents were increased, while crude protein (r = -0.88), crude lipid (r = -0.82), ash contents (r = -0.81) were decreased as that And betaine contents (r = 0.90) were increased as total polyphenol contents were increased.
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KEYWORD
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Lycii fructus Species, Harvest Time, Betaine, Total Polyphenol, Extracts
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