References
- 1. A. V. Sirotkin and A. H. Harrath, Phytoestrogens and their effects, Eur. J. Pharmacol. 741 (2014) 230–236; https://doi.org/10.1016/j.ejphar.2014.07.057
- 2. A. Kładna, P. Berczyński, I. Kruk, T. Piechowska and H. Y. Aboul-Enein, Studies on the antioxidant properties of some phytoestrogens, Luminescence 31(6) (2016) 1201–1206; https://doi.org/10.1002/bio.3091
- 3. R. Amorati and L. Valgimigli, Advantages and limitations of common testing methods for anti-oxidants, Free Radic. Res. 49(5) (2015) 633–649; https://doi.org/10.3109/10715762.2014.996146
- 4. K. Sak, Dependence of DPPH radical scavenging activity of dietary flavonoid quercetin on reaction environment, Mini Rev. Med. Chem. 14(6) (2014) 494–504; https://doi.org/10.2174/1389557514666140622204037
- 5. M. C. Foti, Use and abuse of the DPPH• radical, J. Agric. Food Chem. 63(40) (2015) 8765–8776; https://doi.org/10.1021/acs.jafc.5b03839
- 6. P. Ionita, The chemistry of DPPH· free radical and congeners, Int. J. Mol. Sci. 22(4) (2021) Article ID 1545; https://doi.org/10.3390/ijms22041545
- 7. A. Romani, P. Vignolini, A. Tanini, B. Pampaloni and D. Heimler, HPLC/DAD/MS and antioxidant activity of isoflavone-based food supplements, Nat. Prod. Commun. 5(11) (2010) 1775–1780; https://doi.org/10.1177/1934578X1000501115
- 8. G. T. Kroyer, Red clover extract as antioxidant active and functional food ingredient, Innov. Food Sci. Emerg. Technol. 5(1) (2004) 101–105; https://doi.org/10.1016/S1466-8564(03)00040-7
- 9. T. Buhač, D. Amidžić Klarić, I. Klarić, B. Nigović, E. Brusač, M-L. Jeličić and A. Mornar, Assessment of active ingredients and metal impurities in phytoestrogen-containing food and dietary supplements, J. Food Nutr. Res. 59(2) (2020) 87–97.
- 10. A. Mornar, T. Buhač, D. Amidžić Klarić, I. Klarić, M. Sertić and B. Nigović, Multi-targeted screening of phytoestrogens in food, raw material, and dietary supplements by liquid chromatography with tandem mass spectrometry, Food Anal. Methods 13(2) (2020) 482–495; https://doi.org/10.1007/s12161-019-01653-x.
- 11. A. Mornar, M. Sertić, D. Amidžić Klarić, I. Klarić, K. Stipanović and B. Nigović, Evaluation of alcohol content and metal impurities in liquid dietary supplements by sHSS-GC-FID and GFAAS techniques, Food Chem. 211 (2016) 285–293; https://doi.org/10.1016/j.foodchem.2016.05.068
- 12. W. Horwitz and G. Latimer, Official Methods of Analysis of AOAC International, 18th ed., AOAC International, Gaithersburg 2005.
- 13. Food and Agriculture Organization of the United Nations, Food Energy – Methods of Analysis and Conversion Factors, FAO food and nutrition paper 77, FAO Rome 2003; http://www.fao.org/3/Y5022E/y5022e04.htm, last access date August 20, 2021
- 14. V. L. Singleton, R. Orthofer and R. M. Lamuela-Raventos, Analysis of total phenols and other oxidation substrates and antioxidants by means of the Folin-Ciocalteu reagent, Meth. Enzymol. 299 (1999) 152–178; https://doi.org/10.1016/S0076-6879(99)99017-1
- 15. D. Chandrasekar, K. Madhusudhana, S. Ramakrishna and P. V. Diwan, Determination of DPPH free radical scavenging activity by reversed-phase HPLC: a sensitive screening method for polyherbal formulations, J. Pharm. Biomed. 40(2) (2006) 460–464; https://doi.org/10.1016/j.jpba.2005.07.042
- 16. International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use, Validation of Analytical Procedures: Text and Methodology Q2(R1), Current Step 5 version, ICH, 1995; https://database.ich.org/sites/default/files/q2%28r1%29guideline.pdf; last access date August 20, 2021
- 17. I. Mujić, E. Šertović, S. Jokić, Z. Sarić, V. Alibabić, S. Vidović and J. Živković, Isoflavone content and antioxidant properties of soybean seeds, Croat. J. Food Sci. Technol. 3(1) (2011) 16–20.
- 18. F. Guillon and M. M. J Champ, Carbohydrate fractions of legumes: uses in human nutrition and potential for health, Br. J. Nutr. 88(S3) (2002) 293–306; https://doi.org/10.1079/BJN2002720
- 19. L. K. Karr-Lilienthal, C. T. Kadzere, C. M. Grieshop and G. C. Fahey, Jr., Chemical and nutritional properties of soya bean carbohydrates as related to nonruminants: A review, Livest. Prod. Sci. 97(1) (2005) 1–12; https://doi.org/10.1016/j.livprodsci.2005.01.015
- 20. A. Redondo-Cuenca, M. J. Villanueva-Suárez, M. D. Rodríguez-Sevilla and I. Mateos-Aparicio, Chemical composition and dietary fibre of yellow and green commercial soyabeans (Glycine max), Food Chem. 101(3) (2007) 1216–1222; https://doi.org/10.1016/j.foodchem.2006.03.025
- 21. K. K. Singh, D. Mridula, P. Barnwal and J. Rehal, Selected engineering and biochemical properties of 11 flaxseed varieties, Food Technol. Biotechnol. 6 (2013) 598–605; https://doi.org/10.1007/s11947-011-0607-6
- 22. Q. Deng, X. Yu, F. Ma, J. Xu, F. Huang, Q. Huang and F. Sheng, Comparative analysis of the in vitro antioxidant activity and bioactive compounds of flaxseed in China according to variety and geographical origin, Int. J. Food Prop. 20 (Suppl. 3) (2017) S2708–S2722; https://doi.org/10.1080/10942912.2017.1402029
- 23. H. Haron and N. Raob, Changes in macronutrient, total phenolic and anti-nutrient contents during preparation of tempeh, J. Nutr. Food Sci. 4(2) (2014) Article ID 1000265 (5 pages); https://doi.org/10.4172/2155-9600.1000265
- 24. S. C. Sargi, B. C. Silva, H. M. C. Santos, P. F. Montanher, J. Schuelter Boeing, O. O. Santos Júnior, N. Evelázio Souza and J. V. Visentainer, Antioxidant capacity and chemical composition in seeds rich in omega-3: chia, flax, and perilla, Food Sci. Technol. 33(3) (2013) 541–548; https://doi.org/10.1590/S0101-20612013005000057
- 25. G. Sakthivelu, M. K. Akitha Devi, P. Giridhar, T. Rajasekaran, G. A. Ravishankar, M. T. Nikolova, G. B. Angelov, R. M. Todorova and G. P. Kosturkova, Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria, J. Agr. Food Chem. 56(6) (2008) 2090–2095; https://doi.org/10.1021/jf072939a
- 26. A. Josipović, R. Sudar, A. Sudarić, V. Jurković, M. Matoša Kočar and A. Markulj Kulundžić, Total phenolic and total flavonoid content variability of soybean genotypes in eastern Croatia, Croat. J. Food Sci. Technol. 8(2) (2016) 60–65; https://doi.org/10.17508/CJFST.2016.8.2.04
- 27. M. H. Alu’datt, T. Rababah, K. Ereifej and I. Alli, Distribution, antioxidant and characterisation of phenolic compounds in soybeans, flaxseed and olives, Food Chem. 139 (2013) 93–99; https://doi.org/10.1016/j.foodchem.2012.12.061
- 28. N. Quezada and G. Cherian, Lipid characterization and antioxidant status of the seeds and meals of Camelina sativa and flax, Eur. J. Lipid Sci. Technol. 114(8) (2012) 974–982; https://doi.org/10.1002/ejlt.201100298
- 29. A. Mornar, M. Sertić and B. Nigović, Development of a rapid LC/DAD/FLD/MSn method for the simultaneous determination of monacolins and citrinin in red fermented rice products, J. Agr. Food Chem. 61(5) (2013) 1072–1080; https://doi.org/10.1021/jf304881g
- 30. A. Kirca and E. Arslan, Antioxidant capacity and total phenolic content of selected plants from Turkey, Int. J. Food Sci. Technol. 43(11) (2008) 2038–2046; https://doi.org/10.1111/j.1365-2621.2008.01818.x
- 31. J. H. Lee, J. K. Jeon, S. G. Kim, S. H. Kim, T. Chun and J. Y. Imm, Comparative analyses of total phenols, flavonoids, saponins and antioxidant activity in yellow soy beans and mung beans, Int. J. Food Sci. Technol. 46(12) (2011) 2513–2519; https://doi.org/10.1111/j.1365-2621.2011.02775.x
- 32. C. Niamnuy, M. Nachaisin, J. Laohavanich and S. Devahastin, Evaluation of bioactive compounds and bioactivities of soybean dried by different methods and conditions, Food Chem. 129(3) (2011) 899–906; https://doi.org/10.1016/j.foodchem.2011.05.042
- 33. P. Pająk, R. Socha, J. Broniek, K. Królikowska and T. Fortuna, Antioxidant properties, phenolic and mineral composition of germinated chia, golden flax, evening primrose, phacelia and fenugreek, Food Chem. 275 (2019) 69–76; https://doi.org/10.1016/j.foodchem.2018.09.081
- 34. V. Kumar, A. Rani, A. K. Dixit, D. Pratap and D. Bhatnagar, A comparative assessment of total phenolic content, ferric reducing-anti-oxidative power, free radical-scavenging activity, vitamin C and isoflavones content in soybean with varying seed coat colour, Food Res. Int. 43(1) (2010) 323–328; https://doi.org/10.1016/j.foodres.2009.10.019
- 35. R. E. K. Dibacto, B. R. T. Tchuente, M. W. Nguedjo, Y. M. T. Tientcheu, E. C. Nyobe, F. L. E. Edoun, M. F. G. Kamini, R. F. Dibanda and G. N. Medoua, Total polyphenol and flavonoid content and antioxidant capacity of some varieties of Persea americana peels consumed in Cameroon, Sci. World J. 2021 (2021) Article ID 8882594 (11 pages); https://doi.org/10.1155/2021/8882594