Isoflavone and protein content in soybeans grains submitted to flooding at different stages of development

被引:4
|
作者
Fante, Camila Argenta [1 ]
Pereira Goulart, Patricia de Fatima [2 ]
Alves, Jose Donizeti
Henrique, Paola de Castro
Fries, Daniela Deitos [3 ]
机构
[1] Univ Fed Lavras UFLA, Dept Ciencia Alimentos, CP 3037, BR-37200000 Lavras, MG, Brazil
[2] Ctr Univ Lavras UNILAVRAS, Lavras, MG, Brazil
[3] UESB, Itapetinga, BA, Brazil
来源
CIENCIA RURAL | 2011年 / 41卷 / 12期
关键词
Glycine max; hypoxia; functional food;
D O I
10.1590/S0103-84782011001200029
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The stress imposed on plants by soil flooding constitutes a major barrier to growth and productivity. The identification of soybean varieties that produce higher levels of isoflavones, is necessary as soybeans have been used as human food to reduce risks of chronic diseases. Thus, this study was conducted with the objective of quantifying proteins and isoflavones in soybean cultivars subjected to flooding at various stages of development. The cultivars 'BRS267', 'BRS257' and 'BRS213' were subjected to 15 days of flooding, starting at the stages V6 and V8 and 11 days under stress starting at the stage R4. The proteins in the grain were extracted and quantified and analyzed by SDS-PAGE electrophoresis. Isoflavones were extracted, separated and quantified on HPLC. The electrophoretic analysis of the three cultivars under study revealed the same pattern of banding relative to the total protein regardless of the treatment. However, it was noted that flooding led to an increase in the total contents of isoflavones in the BRS 267 plants flooded in stage R4, remaining constant in other cultivars.
引用
收藏
页码:2224 / 2229
页数:6
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