Spatiotemporal patterns and functional implications of PFAS in fresh tea leaves from Hangzhou, China: Dominant trifluoroacetic acid and diminished antioxidant activity.
Per- and polyfluoroalkyl substances (PFAS) pose persistent and widespread risks to agroecosystems and food quality, yet their impact on tea (Camellia sinensis L.) functional quality remains unclear. We analyzed 41 PFAS, including the ubiquitous ultrashort-chain congener trifluoroacetic acid (TFA), in 54 tea samples fro...