Ferulic acid is a hydroxycinnamic acid, a type of organic compound. It is an abundant phenolic phytochemical found in plant cell wall components such as arabinoxylans as covalent side chains. Ferulic acid is an antioxidant in vitro in the sense that it is reactive toward free radicals such as reactive oxygen species (ROS). ROS and free radicals are implicated in DNA damage, cancer, accelerated cell aging. Animal studies and in vitro studies suggest that ferulic acid may have direct antitumor activity against breast cancer and liver cancer. Ferulic acid may have pro-apoptotic effects in cancer cells, thereby leading to their destruction. Ferulic acid may be effective at preventing cancer induced by exposure to the carcinogenic compounds benzopyrene and 4-nitroquinoline 1-oxide. Note that these are not randomized controlled trials done with human participants, and therefore, the results of these studies may not be directly applicable to human use.
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