Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) The main types of bound polyphenol extracts. (b) Volcano plot of component comparison of free polyphenol and bound polyphenol extracts. (c) Correlation heat map of components with TPC, TFC and antioxidant activity. And the numbers represent the ID number of the component in the extracts, corresponding to Table 1 and S1.
