Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2014:2014:620171.
doi: 10.1155/2014/620171. Epub 2014 Nov 18.

Distribution of phenolic compounds and antioxidative activities of rice kernel and their relationships with agronomic practice

Amit Kesarwani  1 , Po-Yuan Chiang  2 , Shih-Shiung Chen  3
Affiliations

Distribution of phenolic compounds and antioxidative activities of rice kernel and their relationships with agronomic practice

Amit Kesarwani et al. ScientificWorldJournal. 2014.

Abstract

The phenolic and antioxidant activity of ethanolic extract of two Japonica rice cultivars, Taikeng no. 16 (medium and slender grain) and Kaohsiung no. 139 (short and round grain), grown under organic and conventional farming were examined. Analyses shows that Kaohsiung no. 139 contains the highest amount of secondary metabolites and continuous farming can increase its production. Results also suggest that phenolic content under different agronomic practices, has not shown significant differences but organically grown rice has proven to be better in higher accumulation of other secondary metabolites (2,2-diphenyl-1-picrylhydrazyl (DPPH), flavonoid content, and ferrous chelating capacity). In nutshell, genetic traits and environment have significant effect on phenolic compounds and the least variation reported under agronomic practices.

PubMed Disclaimer

Figures

Figure 1
Figure 1
Influence of farming practices on total phenolic content (TPC) of two rice cultivars under different seasons. FC'09 = first crop (February–June) of 2009; SC'09 = second crop (August–November) of 2009; FC'10 = first crop (February–June) of 2010; SC'10 = second crop (August–November) of 2010. Values with different letters are significantly different (±S.E.) P ≤ 0.05 (DMRT).
Figure 2
Figure 2
Influence of farming practices on (a) reducing power; and (b) DPPH% of two rice cultivars under different seasons. FC'09 = first crop (February–June) of 2009; SC'09 = second crop (August–November) of 2009; FC'10 = first crop (February–June) of 2010; SC'10 = second crop (August–November) of 2010. Values with different letters are significantly different (±S.E.) P ≤ 0.05 (DMRT).
Figure 3
Figure 3
Influence of farming practices on (a) flavonoid content; and (b) ferrous chelating activity of two rice cultivars under different seasons. FC'09 = first crop (February–June) of 2009; SC'09 = second crop (August–November) of 2009; FC'10 = first crop (February–June) of 2010; SC'10 = second crop (August–November) of 2010. Values with different letters are significantly different (±S.E.) P ≤ 0.05 (DMRT).
See this image and copyright information in PMC

References

    1. Naczk M., Shahidi F. Extraction and analysis of phenolics in food. Journal of Chromatography A. 2004;1054(1-2):95–111. doi: 10.1016/j.chroma.2004.08.059. - DOI - PubMed
    1. Dykes L., Rooney L. W. Phenolic compounds in cereal grains and their health benefits. Cereal Foods World. 2007;52(3):105–111. doi: 10.1094/CFW-52-3-0105. - DOI
    1. Arts I. C. W., Hollman P. C. H. Polyphenols and disease risk in epidemiologic studies. The American Journal of Clinical Nutrition. 2005;81(1):317S–325S. - PubMed
    1. Zuchowski J., Kapusta I., Szajwaj B., Jończyk K., Oleszek W. Phenolic acid content of organic and conventionally grown winter wheat. Cereal Research Communications. 2009;37(2):189–197. doi: 10.1556/CRC.37.2009.2.5. - DOI
    1. Ahmed A. G., Orabi A. G. S., Gomaa A. M. Bio-organic farming of grain sorghum and its effect on growth, physiological and yield parameters and antioxidant enzymes activity. Research Journal of Agriculture and Biological Science. 2010;6(3):270–279.

Publication types

LinkOut - more resources