Abstract
Soy isoflavone extracts are widely researched for their distinctive potential in contributing to various functional foods. The research work focuses on testing the toxicity of purified soy isoflavone extracts in mice models. With an agreement of the animal ethics, acute toxicity is firstly used to screen the effects of test compounds in mice for therapeutic purposes. Moreover, tests were conducted on BALB/c for estrogen in vivo and MCF7 for in vitro, screening active protection of liver cells, lipid peroxidation and scavenging free radicals 2,2-diphenyl-1-picrylhydrazyl (DPPH). Genistin and daidzin were found to be the two major compounds accounting for 47% and 35% of total purified soy isoflavones. The acute toxicity test results exhibited no effect against physiological accretion of BALB/c after 7-day administration with the given dose of 10 g/kgBW. Moreover, modified E-screen assay on MCF7 cells proved that the estrogen of isoflavone extracts induces cell proliferation by 15% compared with other non-steroid culture techniques. Therefore, this research contributes to helping researchers apply soy isoflavones in functional food, to alleviate the difficulties in menopausal symptoms for women in the future.
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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Abbreviations
- BALB/c:
-
Bagg albino/c mice
- BW:
-
Body weight
- DMEM:
-
Dulbecco’s modified Eagle’s medium
- DMSO:
-
Dimethyl sulfoxide
- DPPH:
-
2,2-Diphenyl-1-picrylhydrazyl
- E2:
-
17β-Estradiol
- E-Screen:
-
Estrogenicity screen
- FBS:
-
Fetal bovine serum
- FRAP:
-
Ferric reducing antioxidant power
- HRT:
-
Hormone replacement therapy
- LDL:
-
Low density lipoprotein
- MCF-7:
-
Michigan Cancer Foundation-7
- MDA:
-
Malonyl dialdehyde
- MTT:
-
3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide
- VCD:
-
4-Vinylcyclohexen diepoxide
- CET:
-
Crude extract
- PET:
-
Purified extract
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Acknowledgements
The authors would like to thank the Domestic Master/Ph.D. Scholarship Programme of Vingroup Innovation Foundation, under grant number VINIF.2019.TS.63.
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This research work was supported under the Domestic Master/Ph.D. Scholarship Programme of Vingroup Innovation Foundation, under grant number VINIF.2019.TS.63.
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TNTT Writing—original draft; Methodology, Validation, Formal analysis: Visualization, TMHT Validation, Formal analysis, TDPN Conceptualization; Supervision, Funding acquisition, Project administration, VXB Writing—review and editing, DTT Writing—review and editing, LT-v Writing—review and editing, KSK Writing—review and editing, Project administration, KWC Writing—review and editing, PLS Supervision, Project administration.
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Tran, T.N.T., Truong, T.M.H., Nguyen, T.D.P. et al. Enrichment of soy isoflavone extracts through macroporous resin for characterization of toxicity and estrogenic activities. J Food Sci Technol 60, 1097–1106 (2023). https://doi.org/10.1007/s13197-022-05491-4
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DOI: https://doi.org/10.1007/s13197-022-05491-4