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Optimum Extraction of Tricin and Tricin 4'-O-(threo-β-guaiacylglyceryl) Ether (TTGE) from Rice Hull (Oryza sativa L.)
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 Title & Authors
Optimum Extraction of Tricin and Tricin 4'-O-(threo-β-guaiacylglyceryl) Ether (TTGE) from Rice Hull (Oryza sativa L.)
Yoon, Nara; Lee, Sang Hoon; Jang, Gwi Yeong; Lee, Yoon Jeong; Li, Meishan; Kim, Min Young; Lee, Junsoo; Jeong, Heon Sang;
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 Abstract
This study was conducted to evaluate the effects of extraction conditions on tricin and tricin 4'-O-(threo--guaiacylglyceryl) ether (TTGE) extracted from rice hull (Oryza sativa L.). Extraction conditions were an ethanol concentration of extraction solvent of 50~90%, extraction time of 0.5~48 h, and ultrasonic-assisted and agitated extraction as extraction methods. The total tricin and TTGE contents of rice hull were and , respectively. Recovery of tricin and TTGE increased to 76.11% and 71.42% with increasing ethanol concentration until 70% and then decreased above 80%, respectively. In ultrasonic-assisted extraction, highest recovery of tricin was 83.30% after 2 h of extraction and TTGE was 71.80% after 1 h of extraction. In agitated extraction, highest recovery of tricin was 92.34% after 48 h and TTGE was 76.89% after 24 h of extraction. Therefore, optimum extraction conditions for tricin and TTGE of rice hull were 70% ethanol concentration and ultrasonic-assisted extraction for 1 h.
 Keywords
rice hull;tricin;tricin 4'-O-(threo--guaiacylglyceryl) ether;extraction condition;
 Language
Korean
 Cited by
1.
Isolation and identification of a tricin 4"-O-(threo-β-guaiacylglyceryl) ether producing microorganism from germinated rice, Korean Journal of Food Science and Technology, 2016, 48, 4, 361  crossref(new windwow)
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