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. 2022 Mar 1;27(5):1629. doi: 10.3390/molecules27051629

Figure 2.

Figure 2

Partial TOF ion chromatogram (m/z 431.3710 and 486.4260) showing the presence of TMS derivatives of 24-ethylcholest-5-en-3β-ol (sitosterol) ([M]+• = 486.4260) and its photo- ([M − 143.0887]+ = 431.3710) and autoxidation ([M − H2O − 143.0887]+ = 431.3710) products in senescent leaves of Smilax aspera.