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, {HEAD ~ low molecular weight alcohols} mixed with water, halogenated hydrocarbons, organic ethers, low molecular weight esters, {TAIL ~ alkanes}, other organic solvents, low molecular weight ketones, water or combinations thereof to prepare a mixture; and processing the mixture to prepare the extract 
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 , { HEAD ~ low molecular weight alcohols } mixed with water , halogenated hydrocarbons , organic ethers , low molecular weight esters , { TAIL ~ alkanes } , 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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