Evaluation of selected biological capacities of Baeckea frutescens

Table 3 β-Carotene bleaching inhibition of B. frutescens extracts

Concentration (mg/ml)	β-Carotene bleaching inhibition (%)
Concentration (mg/ml)	0.01	0.05	0.10	0.25	0.50
Methanol	83.35 ± 3.20^aq	85.63 ± 0.10^aq	85.31 ± 0.30^aq	86.70 ± 0.70^ap	87.38 ± 0. 50^ap
Hexane	78.43 ± 0.10^bt	79.99 ± 0.20^bs	80.92 ± 0.10^br	81.86 ± 0.50^bq	84.10 ± 0.80^bp
Ethyl Acetate	66.03 ± 2.50^cs	70.14 ± 0.20^cr	71.92 ± 0.30^dr	74.75 ± 0.70^dq	78.80 ± 0.20^cp
Water	66.98 ± 0.20^cs	70.96 ± 0.80^cr	73.18 ± 0.20^cq	74.38 ± 0.10^dp	74.60 ± 0.50^dp
BHA*	62.18 ± 1.30^ds	65.21 ± 1.00^ds	69.52 ± 1.00^er	78.62 ± 1.00^cq	89.61 ± 4.20^ap

*Positive reference standard; Values expressed are mean ± standard deviation (n = 3). For different extracts with the same concentration, means in the same column with different letters (a–e) were significantly different (p < 0.05, ANOVA). For the same extract or standard with different concentrations, means in the same row with different letters (p–t) were significantly different (p <0.05, ANOVA)

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