Phenolic
compounds are important functional bioactive substances
distributed in various food plants. They have gained wide interest
from researchers due to their multiple health benefits. There are
two forms of phenolic compounds: free form and bound form. The latter
is also called bound phenolics (BPs), which are found mainly in the
cell wall and distributed in various tissues/organs of the plant body.
They can either chemically bind to macromolecules and food matrixes
or be physically entrapped in food matrixes and intact cells. Various
isolation methods, including chemical, biological, and physical methods,
have been employed to extract BPs from plants. BPs have been shown
to have strong biological activities, including antioxidant, probiotic,
anticancer, anti-inflammation, antiobesity, and antidiabetic effects
as well as beneficial effects on central nervous system diseases.
This review summarizes research findings on these topics to help in
better understanding of BPs and provide comprehensive information
on their health effects.
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