Table 2.
HPLC Retention Times of Polyphenol Standards
| Compound | Retention Time (min) |
|---|---|
| Gallic acid | 2.90 |
| Catechin | 5.47 |
| Quercetin | 21.29 |
| Resveratrol | 26.03 |
| Kaempferol | 28.80 |
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