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KMID : 0903519950380050431
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1995 Volume.38 No. 5 p.431 ~ p.434
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Chemical Composition of Barley Leaves from Different Varieties
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김성수/Kim, Sung Soo
석호문/홍희도/김경탁/이영택/김정곤/Seog, Ho Moon/Hong, Hee Do/Kim, Kyung Tack/Lee, Young Tack/Kim, Jung Gon
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Abstract
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Chemical composition of barley leaves of four varieties (Olbori, Suwon 298, Suwon 311 and Milyang 60) grown under the same environmental conditions at the same location was investigated. Barley leaf samples were collected on two weeks before heading period. The barley leaves contained 25∼29% crude protein, 9.3∼9.9% crude lipid, 9.3∼11.2% ash, 1.3∼1.8% β-glucan on dry matter basis. Chlorophyll contents of Olbori, Suwon 298, Suwon 311 and Milyang 60 were 951 ㎎%, 885 ㎎%, 866 ㎎%, 826 ㎎%, respectively. Mineral contents of barley leaves were not significantly different each other and potassium content was found to be the highest among all the minerals observed. Vitamin C contents of Olbori, Suwon 298, Suwon 311 and Milyang 60 were 328 ㎎%, 266 ㎎%. 278 ㎎% and 269 ㎎%, respectively. Free sugar contents of barley leaves were somewhat different and the glucose content was the highest among the free sugars, ranging from 5.70% to 8.35%. Besides glucose, fructose, sucrose and raffinose contents were also relatively higher than the other free sugars. In other oligosaccharides, 1-kestose(GF₂) content was between 0.26% and 0.39% and a slight amount of 1-nystose(GF₃) was also detected. Although aspartic acid, glutamic acid and serine were relatively higher content than the other free amino acids, the values were not consistent in different varieties.
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KEYWORD
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