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Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria.
J Agric Food Chem. 2008 Mar 26; 56(6):2090-5.JA

Abstract

Isoflavone levels and isoflavone chemical composition in 11 cultivars of soybean, including 4 Indian and 7 genotypes of soybean grown in Bulgaria, were analyzed as determined by C 18 reversed phase high-performance liquid chromatography coupled with a photodiode array detector. Antioxidant activity of soybean extracts was assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, and total phenolic compounds (TPC) were determined by using Folin-Ciocalteu reagent. The range of total isoflavones (TI) was 558.2-1048.6 microg g (-1) of soy in Indian cultivars, and it was 627.9-1716.9 microg g (-1) of soy in the case of Bulgarian cultivars. The highest and lowest total isoflavone contents were observed for Maus-2 (1048.6 microg g (-1) of soy) and Hardee (558.2 microg g (-1) of soy), respectively, for the Indian cultivars, and they were observed for Boryara (1716.9 microg g (-1) of soy) and Line 5 (627.9 microg g (-1) of soy) for the Bulgarian genotypes. DPPH radical scavenging activity did not differ significantly among the cultivars and did not correlate with TI, whereas TPC correlated well with TI and weakly with DPPH. Malonylglucoside of all the aglycones, total genistein (TGin), and total daidzein (TDin) showed strong correlation with total isoflavones, whereas acetylglucoside and aglycone levels did not significantly correlate with total isoflavone. Profiling of soybean isoflavone is helpful in understanding the regulation of isoflavone biosynthesis for greater improved resistance of crops to disease and greater health benefits for humans. This comparative study of soybean cultivars grown in India and Bulgaria throws light on their composition and nutraceutical value.

Authors+Show Affiliations

Plant Cell Biotechnology Department, Central Food Technological Research Institute, Mysore 570020, Karnataka, India.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18303813

Citation

Sakthivelu, G, et al. "Isoflavone Composition, Phenol Content, and Antioxidant Activity of Soybean Seeds From India and Bulgaria." Journal of Agricultural and Food Chemistry, vol. 56, no. 6, 2008, pp. 2090-5.
Sakthivelu G, Akitha Devi MK, Giridhar P, et al. Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria. J Agric Food Chem. 2008;56(6):2090-5.
Sakthivelu, G., Akitha Devi, M. K., Giridhar, P., Rajasekaran, T., Ravishankar, G. A., Nikolova, M. T., Angelov, G. B., Todorova, R. M., & Kosturkova, G. P. (2008). Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria. Journal of Agricultural and Food Chemistry, 56(6), 2090-5. https://doi.org/10.1021/jf072939a
Sakthivelu G, et al. Isoflavone Composition, Phenol Content, and Antioxidant Activity of Soybean Seeds From India and Bulgaria. J Agric Food Chem. 2008 Mar 26;56(6):2090-5. PubMed PMID: 18303813.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria. AU - Sakthivelu,G, AU - Akitha Devi,M K, AU - Giridhar,P, AU - Rajasekaran,T, AU - Ravishankar,G A, AU - Nikolova,M T, AU - Angelov,G B, AU - Todorova,R M, AU - Kosturkova,G P, Y1 - 2008/02/27/ PY - 2008/2/29/pubmed PY - 2008/6/12/medline PY - 2008/2/29/entrez SP - 2090 EP - 5 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 56 IS - 6 N2 - Isoflavone levels and isoflavone chemical composition in 11 cultivars of soybean, including 4 Indian and 7 genotypes of soybean grown in Bulgaria, were analyzed as determined by C 18 reversed phase high-performance liquid chromatography coupled with a photodiode array detector. Antioxidant activity of soybean extracts was assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, and total phenolic compounds (TPC) were determined by using Folin-Ciocalteu reagent. The range of total isoflavones (TI) was 558.2-1048.6 microg g (-1) of soy in Indian cultivars, and it was 627.9-1716.9 microg g (-1) of soy in the case of Bulgarian cultivars. The highest and lowest total isoflavone contents were observed for Maus-2 (1048.6 microg g (-1) of soy) and Hardee (558.2 microg g (-1) of soy), respectively, for the Indian cultivars, and they were observed for Boryara (1716.9 microg g (-1) of soy) and Line 5 (627.9 microg g (-1) of soy) for the Bulgarian genotypes. DPPH radical scavenging activity did not differ significantly among the cultivars and did not correlate with TI, whereas TPC correlated well with TI and weakly with DPPH. Malonylglucoside of all the aglycones, total genistein (TGin), and total daidzein (TDin) showed strong correlation with total isoflavones, whereas acetylglucoside and aglycone levels did not significantly correlate with total isoflavone. Profiling of soybean isoflavone is helpful in understanding the regulation of isoflavone biosynthesis for greater improved resistance of crops to disease and greater health benefits for humans. This comparative study of soybean cultivars grown in India and Bulgaria throws light on their composition and nutraceutical value. SN - 0021-8561 UR - https://www.unboundmedicine.com/medline/citation/18303813/Isoflavone_composition_phenol_content_and_antioxidant_activity_of_soybean_seeds_from_India_and_Bulgaria_ L2 - https://doi.org/10.1021/jf072939a DB - PRIME DP - Unbound Medicine ER -