In Vitro and Ex Vivo Chemopreventive Action of Mauritia flexuosa Products

Table 4

Analysis of Pearson’s correlation among bioactive compounds and antioxidant capacity in samples of pulp, peel, and endocarp from Mauritia flexuosa.

Class of compounds	DPPH^∙	ABTS^∙+	Reducing potential	TBARS	Nitrite content	Oxidative hemolysis
Pulp
Total phenols	0.956	0.978	0.978	0.867	0.931	0.954
Total flavonoids	0.957	0.979	0.978	0.869	0.933	0.956
Total carotenoids	0.951	0.974	0.975	0.859	0.926	0.951
Condensed tannins	0.955	0.977	0.978	0.866	0.930	0.954
Hydrolysable tannins	0.923	0.953	0.956	0.822	0.898	0.935
Peel
Total phenols	0.681	0.847	0.928	0.749	0.854	0.907
Total flavonoids	0.956	0.978	0.978	0.867	0.931	0.954
Total carotenoids	0.966	0.984	0.983	0.881	0.941	0.959
Condensed tannins	0.963	0.982	0.982	0.876	0.937	0.957
Hydrolysable tannins	0.972	0.988	0.987	0.890	0.947	0.961
Endocarp
Total phenols	0.682	0.848	0.930	0.751	0.854	0.907
Total flavonoids	0.951	0.974	0.975	0.860	0.926	0.952
Total carotenoids	0.949	0.973	0.974	0.857	0.924	0.950
Condensed tannins	0.952	0.975	0.976	0.861	0.927	0.952
Hydrolysable tannins	0.948	0.972	0.973	0.855	0.923	0.950

. Pearson’s correlation coefficient was calculated using Student’s -test for all variables at 5% significance levels. 1,1-Diphenyl-2-picrylhydrazyl (DPPH^∙), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS^∙+), reducing potential (Fe³⁺/Fe²), reactive substances to thiobarbituric acid [TBARS levels induced by 2,2′-azo-bis (2-methylpropionamidine]) dihydrochloride, AAPH), and nitrite content (induced by sodium nitroprusside).