The following chromatogram was the output of the analysis of phytosterols in plants a gas chromatography. 100 Beta-sitosterol Cholesterol Campesterol peak height/mV Stigmasterol Brassicasterol Ergosterol Min 16.5 17.0 17.5 18.0 18.5 Considering Brassicasterol and Campesterol which is more non polar?

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