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. 2015 Mar 4;45(4):1349–1355. doi: 10.1590/s1517-83822014000400027

Table 1.

Concentrations of some biologically important groups and compounds presents in the samples used of Euphorbia tirucalli L.

Group/compound Extract (μg/mL) Latex (μg/mL) Equation of standard curve r2
Polyphenol compounds 2072 ± 4.07 592.00 ± 8.02 y = 34.443x − 0.0942 0.9937
Condensed tannins 689.5 ± 24.64 197.00 ± 7.04 y = 0.0423x − 0.1362 0.9849
Total flavonoids 882 ± 41.61 252.00 ± 11.89 y = 0.0202x − 0.0031 0.9999
Quercetin 1.47 ± 0.11 0.42 ± 0.03 y = 32214x − 259717 0.9968
Rutin 0.49 ± 0.07 0.14 ± 0.02 y = 19217x − 16913 0.9998
Gallic acid 30.52 ± 1.19 8.72 ± 0.34 y = 7606.8x − 132936 0.9703
Caffeic acid 15.61 ± 3.12 4.46 ± 0.89 y = 20367x − 1162400 0.9890
12-O-tetradecanoylphorbol-13-acetate (TPA) 3.12 ± 2.87 0.89 ± 0.82 y = 27228x − 31278 0.9971

Data from extract and latex preparations are expressed as means ± S.D. Results were confirmed by an experiment that was repeated three times in triplicate.