STABILITY OF FERULIC ACID 501 APPENDIX IV: LIQUID CHROMATOGRAM AND MASS SPECTRA RESULTS OF SOLUTIONS A–E (DIFFERENT pH) AND OF SOLUTION D INCUBATED AT RT, 45, 60, AND 75 DEGREES

JOURNAL OF COSMETIC SCIENCE 502 Figure 11. Liquid chromatogram of solutions A–E (different pH) and of solution D incubated at RT, 45, 60, and 75 degrees. The retention times of key peaks in Figure 11 are listed below in Table XII. Table XII Retention Time of Key Peaks Retention time (min) 4.0 7.3 10.0 m/z: [M-] 193 149 299

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