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cis,trans-Sorbic acid has been used in the study of photosensitization of carbon nanotubes and the production of reactive oxygen species by using the sorbic acid as a catalyst in the reaction process.

ChEBI: (2Z,4E)-hexa-2,4-dienoic acid is one of four possible geometric isomers of sorbic acid, having cis- and trans-double bonds at positions 2 and 4 respectively.