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Oxidative Medicine and Cellular Longevity
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Special Issues
Oxidative Medicine and Cellular Longevity
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2017
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Article
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Tab 2
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Research Article
Pitaya Extracts Induce Growth Inhibition and Proapoptotic Effects on Human Cell Lines of Breast Cancer via Downregulation of Estrogen Receptor Gene Expression
Table 2
Bioactive potential of pitaya evaluated by different methods.
Pitaya
2.0 mg/mL
5.0 mg/mL
10.0 mg/mL
R
2
ORAC assay (
μ
M Trolox/g)
140.50 ± 1.90
560.00 ± 48.90
1079.70 ± 75.20
0.9943
FRAP assay (
μ
mol Fe
2
SO
4
/g)
909.20 ± 68.46
1698.64 ± 33.17
2519.36 ± 53.99
0.9621
DPPH assay (% reduction)
33.05 ± 0.32
73.01 ± 0.38
83.99 ± 0.30
0.8892
Pulp
Peel
Total anthocyanins (fruit)
Total anthocyanins (pitaya extract)
Total anthocyanins (mg/g)
19.14 ± 0.52
8.36 ± 2.70
27.50 ± 1.61
74.65 ± 2.18
Results expressed in mean ± standard error.