{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, {TAIL ~ other organic solvents}, low molecular weight ketones, water or combinations thereof to prepare a mixture; and processing 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 , { TAIL ~ other organic solvents } , low molecular weight ketones , water or combinations thereof to prepare a mixture ; and processing the mixture to prepare the extract
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