Table 6 Determination method of phenols.
From: Study on the spatial specificity of phenolics in fruit of different jujube varieties
Wavelength nm | Phenol extraction time min | Phenolic substances |
|---|---|---|
254 | 22.616 | P-hydroxybenzoic acid |
278 | 24.659 | Proanthocyanidin |
278 | 21.244 | Catechin |
278 | 25.632 | Epicatechin |
284 | 38.234 | Rhizoside |
310 | 31.612 | P-coumaric acid |
324 | 33.331 | Ferulic acid |
326 | 23.002 | Chlorogenic acid |
355 | 32.203 | Quercetin triglycoside |
355 | 35.584 | Kaempferol glycoside |
355 | 36.888 | Rutin |
355 | 38.956 | Quercitrin |
355 | 39.484 | Quercetin rhamnoside |
370 | 41.944 | Quercetin |