References
- 1. T. Dias, M. R. Bronze, P. J. Houghton, H. M. Filipe and A. Paulo, The flavonoid-rich fraction of Coreopsis tinctoria promotes glucose tolerance regain through pancreatic function recovery in streptozotocin-induced glucose-intolerant rats, J. Ethnopharmacol. 132 (2010) 483-490; DOI: 10.1016/j. jep.2010.08.048.
- 2. Y. Zhang, S. Shi, M. Zhao, X. Chai and P. F. Tu, Coreosides A-D, C14-polyacetylene glycosides from the capitula of Coreopsis tinctoria and its anti-inflammatory activity against COX-2, Fitoterapia 87 (2013) 93-97; DOI: 10.1016/j.fitote.2013.03.024.10.1016/j.fitote.2013.03.02423562631
- 3. T. Dias, B. Liu, P. Jones, P. J. Houghton, H. M. Filipe and A. Paulo, Cytoprotective effect of Coreopsis tinctoria extracts and flavonoids on tBHP and cytokine-induced cell injury in pancreatic MIN6 cells, J. Ethnopharmacol. 139 (2012) 485-492; DOI: 10.1016/j.jep.2011.11.038.10.1016/j.jep.2011.11.03822143153
- 4. G. L. Li, X. L. Zhang, J. M. You, C. H Song, Z. W. Sun, L. Xia and Y. R. Suo, Highly sensitive and selective pre-column derivatization high-performance liquid chromatography approach for rapid determination of triterpenes oleanolic and ursolic acids and application to Swertia species: optimization of triterpenic acids extraction and pre-column derivatization using response surface methodology, Anal. Chim. Acta 688 (2011) 208-218; DOI: 10.1016/j.aca.2011.01.010.10.1016/j.aca.2011.01.01021334488
- 5. Y. Li, J. G. Jiang, W. F. Li, C. Jian, D. Y. Wang and L. Zhu, Optimum extraction process of polyphenols from the bark of Phyllanthus emblica L. based on the response surface methodology, J. Sep. Sci. 32 (2009) 1437-1444; DOI: 10.1002/jssc.200800744.10.1002/jssc.20080074419350583
- 6. A. X. Luo, X. J. He, S. D. Zhou, Y. J. Fan, A. S. Luo and Z. Chun, Purification, composition analysis and antioxidant activity of the polysaccharides from Dendrobium nobile Lindl, Carbohyd. Polym. 79 (2010) 1014-1019; DOI: 10.1016/j.carbpol.2009.10.033.10.1016/j.carbpol.2009.10.033
- 7. P. C. Wootton-Beard, A. Moran and L. Ryan, Stability of the total antioxidant capacity and total polyphenol content of 23 commercially available vegetable juices before and after in vitro digestion measured by FRAP, DPPH, ABTS and Folin-Ciocalteu methods, Food Res. Int. 44 (2011) 217-224; DOI: 10.1016/j.foodres.2010.10.033.10.1016/j.foodres.2010.10.033
- 8. Y. J. Fan, X. J. He, S. D. Zhou, A. X. Luo, T. He and Z. Chun, Composition analysis and antioxidant activity of polysaccharide from Dendrobium denneanum, Int. J. Biol. Macromol. 45 (2009) 169-173; DOI: 10.1016/j.ijbiomac.2009.04.019.10.1016/j.ijbiomac.2009.04.01919414030
- 9. İ. Gülçin, Antioxidant and antiradical activities of L-carnitine, Life Sci. 78 (2006) 803-811; DOI: 10.1016/j.lfs.2005.05.103.10.1016/j.lfs.2005.05.10316253281
- 10. M. Marzouk, A. M. Soliman and T. Y. Omar, Hypoglycemic and antioxidative effects of fenugreek and termis seeds powder in streptozotocin-diabetic rats, Eur. Rev. Med. Pharmacol. Sci. 17 (2013) 559-565.
- 11. J. Wang, Q. B. Zhang, Z. S. Zhang and Z. E. Li, Antioxidant activity of sulfated polysaccharide fractions extracted from Laminaria japonica, Int. J. Biol. Macromol. 42 (2008) 127-132; DOI: 10.1016/j. ijbiomac.2007.10.003.
- 12. T. S. Ballard, P. Mallikarjunan, K. Q. Zhou and S. F. O’Keefe, Optimizing the extraction of phenolic antioxidants from peanut skins using response surface methodology, J. Agric. Food Chem. 57 (2009) 3064-3072; DOI: 10.1021/jf8030925.10.1021/jf803092519284759
- 13. M. K. Pierozan, R. J. da Costa, O. A. Antunes, E. G. Oestreicher, J. V. Oliveira, R. L. Cansian, H. Treichel and de D. Oliveira, Optimization of extraction of lipase from wheat seeds (Triticum aestivum) by response surface methodology, J. Agric. Food Chem. 57 (2009) 9716-9721; DOI: 10.1021/ jf901816x.10.1021/jf901816x19803518
- 14. P. Thana, S. Machmudah, M. Goto, M. Sasaki, P. Pavasant and A. Shotipruk, Response surface methodology to supercritical carbon dioxide extraction of astaxanthin from Haematococcus pluvialis, Bioresour. Technol. 99 (2008) 3110-3115; DOI: 10.1016/j.biortech.
- 15. W. Li, Z. Wang, Y.-S. Sun, L. Chen, L.-K. Han and Y.-N. Zheng, Application of response surface methodology to optimise ultrasonic-assisted extraction of four chromones in Radix Saposhnikoviae, Phytochem. Anal. 22 (2011) 313-321; DOI: 10.1002/pca.1282. 10.1002/pca.128221438050