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Score: 2.00
Title: Selenium accumulation in different brown rice cultivars and its distribution in fractions .
Author: Liu K Gu Z
Journal: J Agric Food Chem Citation: V : 57 P : 695-700 Year: 2009 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub19154168 Accession (PMID): 19154168
Abstract: The goal of this paper was to study the accumulation of selenium ( Se ) in different cultivars of brown rice and its distribution in fractions . The results of the study showed that Se content in brown rice increased significantly ( P < 0 . 01 ) as the external selenite or selenate concentrations increased from 10 to 180 micromol/L In contrast , no significant influence ( P > 0 . 05 ) on germination percentage and growth of sprouts was observed when the supplied Se was lower than 60 micromol/L Moreover , selenite was easily transformed into selenoproteins to selenate . Based on this , ten brown rice cultivars were compared for Se accumulation . Likewise , significant difference ( P < 0 . 01 ) was found among cultivars with respect to the capacity for Se accumulation . To understand the distribution of Se in selenized brown rice and its loss during milling , two cultivars with relatively higher ability to accumulate Se , namely , Zhendao 8 ( Z8 ) and Xieyou 57 ( X57 ) , were selected for further study . The results showed that Se content was highest in the sprouts and decreased remarkably ( P < 0 . 01 ) from the bran layers to the endosperm . In terms of Se loss during the milling procedure , 39 . 02% and 48 . 46% of Se were lost in Z8 and X57 , respectively .
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[ Sen. 5, subscore: 1.00 ]: To understand the distribution of Se in selenized brown rice and its loss during milling , two cultivars with relatively higher ability to accumulate Se , namely , Zhendao 8 ( Z8 ) and Xieyou 57 ( X57 ) , were selected for further study .
[ Sen. 7, subscore: 1.00 ]: In terms of Se loss during the milling procedure , 39 . 02% and 48 . 46% of Se were lost in Z8 and X57 , respectively .
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