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GC-MS detection results of the ChCCD1 cleaved volatile products of lycopene and β-carotene in E. coli. (A,B) for the cleaved volatile products of lycopene and β-carotene, respectively; (C,D) fragments pattern for 6-methy-5-hepten-2-one and β-ionone, respectively. Blue circles in (A) and (B) represent starting and ending time points of peak.
