Why parent phthalate mixture is used instead of a metabolite mixture in invitro studies?

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Chinaza Godswill Awuchi

Kindly check https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6484896/

Also check https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2873014/

Shehreen Amjad

Chinaza Godswill Awuchi " Phthalates and other additives in plastics: human exposure and associated health outcomes " this paper was really helpful for understanding why parent phthalates are mostly considered in vitro studies.