The invention relates to a method of isolating sterols in commercial quantities from sterol containing material by subjecting {HEAD ~ a solution} of {TAIL ~ this material} to a column chromatographic separation; for isolating cholesterol from cholesterol containing material, silica gel is preferably used as a column packing and a mixture of, for example, heptane and acetone is preferably used as an eluent 
The invention relates to a method of isolating sterols in commercial quantities from sterol containing material by subjecting { HEAD ~ a solution } of { TAIL ~ this material } to a column chromatographic separation ; for isolating cholesterol from cholesterol containing material , silica gel is preferably used as a column packing and a mixture of , for example , heptane and acetone is preferably used as an eluent
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