Research Article
Multiple Risk Factors for Heart Disease: A Challenge to the Ethnopharmacological Use of Croton urucurana Baill.
Table 1
Phytochemicals in ethanol-soluble fraction from the leaf extract of C. urucurana.
| Peak | Rt | UV λmax | Tentative identification | Reference |
| 1 | 2.58 | 264 | n.i. | — | 2 | 2.81 | 200, 280 | n.i. | — | 3 | 3.31 | 261 | n.i. | — | 4 | 3.45 | 254, 278 (Sh) | n.i. | — | 5 | 8.06 | 277 | Condensed tannin | [27] | 6 | 9.07 | 279 | Condensed tannin | [27] | 7 | 9.66 | 278 | Condensed tannin | [27] | 8 | 10.26 | 279 | Condensed tannin | [27] | 9 | 11.39 | 221, 268, 301 | n.i. | — | 10 | 14.36 | 255, 353 | Flavonol-O-glycoside | [27] | 11 | 14.51 | 255, 353 | Rutin | Std. [27] | 12 | 14.75 | 269, 337 | Apigenin-C-glycoside | [27] | 13 | 14.83 | 269, 337 | Apigenin-C-glycoside | [27] | 14 | 15.13 | 255, 353 | Isoquercitrin | Std. [27] | 15 | 15.33 | 265, 346 | Flavone C-glycoside | [27] | 16 | 15.81 | 265, 346 | Flavone C-glycoside | [27] | 17 | 16.46 | 245, 333 (Sh), 348 | n.i. | — | 18 | 20.35 | 229, 266, 316 | n.i. | — | 19 | 20.53 | 229, 266, 316 | n.i. | — | 20 | 20.87 | 254, 366 | Quercetin | Std. | 21 | 22.06 | 254, 366 | Kaempferol | Std. |
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n.i.: not identified; Std.: compound confirmed by a comparison with authentic standard.
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