Abstract:

To study difference of polyphenols in different habitats artichokes canned food, polyphenols are detected by LC-MS/MS. The samples are extracted with 70% methanol aqueous solution in dark conditions. LC-MS/MS analysis was conducted on Agilent proshell 120 EC-C18 column (4.6 mm×50 mm, 2.7 μm), 0.1% acetic acid and water were comprised as mobile phase A and acetonitrile was mobile phase B, using a linear gradient elution. The results showed that, 17 kinds of polyphenols were identified. The polyphenol content showed significant differences in the same sample, the content of chlorogenic acid was the highest, it was up to 625.701 μg/g and artichokes is following that was 315.823 μg/g. The Asian sample, the content of polyphenol was generally low. LC-MS/MS can be quickly and efficiently detected polyphenol in artichokes canned food.