Anti dengue activity of cissampelos pareira extracts

An extract of cissampelos pareira for treating dengue virus infection, which is prepared by a process comprising:

• (a) extracting the plant mass of cissampelos pareira with one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions or mixture(s) thereof,
• (b) concentrating the extract,
• (c) adding water,
• (d) partitioning the extract with one or more solvents selected from water, petroleum fractions, halogenated hydrocarbons, esters, ketones, alcohols, ethers or mixture(s) thereof, and
• (e) drying the extract.

An extract of cissampelos pareira for treating dengue virus infection, which is prepared by a process comprising:

• (a) extracting the plant mass of cissampelos pareira with one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions or mixture(s) thereof,
• (b) concentrating the extract,
• (c) extracting the extract with one or more solvents selected from one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions or mixture(s) thereof, and
• (d) drying the extract.

A process for the preparation of extracts of cissampelos pareira, the process comprising:

• (a) extracting the plant mass of cissampelos pareira with one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions, or mixture(s) thereof,
• (b) concentrating the extract,
• (c) adding water,
• (d) partitioning the extract with one or more solvents selected from water, petroleum fractions, halogenated hydrocarbons, esters, ketones, alcohols, ethers, or mixture(s) thereof, and
• (e) drying the extract, wherein the extract is used for treating dengue virus infection.

A process for the preparation of extracts of cissampelos pareira, the process comprising:

• (a) extracting the plant mass of cissampelos pareira with one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions, or mixture(s) thereof,
• (b) concentrating the extract,
• (c) extracting the extract with one or more solvents selected from one or more solvents selected from water, alcohols, ketones, esters, halogenated hydrocarbons, petroleum fractions, or mixture(s) thereof, and
• (d) drying the extract, wherein the extract is used for treating dengue virus infection.