{HEAD ~ An exemplary method} of preparing an extract of Costus pictus D. Don includes collecting a starting material of Costus pictus D. Don; treating the starting material with low molecular weight alcohols, low molecular weight alcohols mixed with water, halogenated hydrocarbons, organic ethers, low molecular weight esters, alkanes, other organic solvents, low molecular weight ketones, water or combinations thereof to prepare a mixture; and processing {TAIL ~ the mixture} to prepare the extract 
{ HEAD ~ An exemplary method } of preparing an extract of Costus pictus D. Don includes collecting a starting material of Costus pictus D. Don ; treating the starting material with low molecular weight alcohols , low molecular weight alcohols mixed with water , halogenated hydrocarbons , organic ethers , low molecular weight esters , alkanes , other organic solvents , low molecular weight ketones , water or combinations thereof to prepare a mixture ; and processing { TAIL ~ the mixture } to prepare the extract
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