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

From: Evaluation of selected biological capacities of Baeckea frutescens

Concentration (mg/ml) β-Carotene bleaching inhibition (%)
0.01 0.05 0.10 0.25 0.50
Methanol 83.35 ± 3.20aq 85.63 ± 0.10aq 85.31 ± 0.30aq 86.70 ± 0.70ap 87.38 ± 0. 50ap
Hexane 78.43 ± 0.10bt 79.99 ± 0.20bs 80.92 ± 0.10br 81.86 ± 0.50bq 84.10 ± 0.80bp
Ethyl Acetate 66.03 ± 2.50cs 70.14 ± 0.20cr 71.92 ± 0.30dr 74.75 ± 0.70dq 78.80 ± 0.20cp
Water 66.98 ± 0.20cs 70.96 ± 0.80cr 73.18 ± 0.20cq 74.38 ± 0.10dp 74.60 ± 0.50dp
BHA* 62.18 ± 1.30ds 65.21 ± 1.00ds 69.52 ± 1.00er 78.62 ± 1.00cq 89.61 ± 4.20ap
  1. *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)