Research Article
Comparison of Effects of the Ethanolic Extracts of Brazilian Propolis on Human Leukemic Cells As Assessed with the MTT Assay
Table 1
Flavonoids and other chemical constituents of propolis groups 12 and 13, determined by RPHPLC (mg/g−1).
| | Propolis G12 | | | Propolis G13 | | Peak no. | compound | Quantity in mg/g−1 of propolis | Peak no. | compound | Quantity in mg/g−1 of propolis |
| 1 | Coumaric acid | 10.7 | 1 | Rutin | 1.3 | 2 | Ferulic acid | 2.4 | 2 | Liquiritigenin | 7.1 | 3 | Λ 245 nma | + | 3 | Daidzein | 4.3 | 4 | Cinnamic acid | 2.6 | 4 | Pinobanksin | 6.0 | 5 | Pinobanksin | 1.7 | 5 | Λ 251, 292 nma | + | 6 | Kaempferol | 1.3 | 6 | Quercetin | 1.9 | 7 | Isosakuranetin | 4.9 | 7 | Luteolin | 2.1 | 8 | Chrysin | 1.9 | 8 | Λ 241, 272, 281 nma | + | 9 | Acacetin | 6.7 | 9 | Dalbergin | 0.9 | 10 | Kaempferide | 12.6 | 10 | Isoliquiritigenin | 12.1 | 11 | Λ 244 nma | + | 11 | Formononetin | 19.5 | 12 | Λ 230 nma | + | 12 | Λ 235, 263 nma | + | 13 | Λ 245 nma | + | 13 | Pinocembrin | 7.1 | 14 | Λ 228, 246 nma | + | 14 | Pinobanksin 3-acetato | 2.6 | 15 | Artepillin C | 38.6 | 15 | Biochanin A | 1.5 | 16 | Λ 223, 276 nma | + | 16 | Λ 238, 260, 269 nma | + | | | | 17 | Λ 233, 249, 329 nma | + | | | | 18 | Λ 233, 256 nma | + |
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aUnidentified constituents represent only UV spectral absorption maxim. + Present, but not quantified.
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