| abstract |
PURPOSE: To obtain an activity inhibitor of reverse transcriptase of retrovirus, having high safety, low side effects, inhibiting and suppressing intracellular multiplication of retrovirus, containing spice and a herb extract as active ingredients. n CONSTITUTION: 1 pt.wt. spice or herb is extracted with 10-1,000 pts.wt. distilled water it 50-100°C for 0.5-5 hours, the extract is used as an active ingredient and prepared by a conventional procedure to give the aimed substance. The extraction can be carried out by using a water-miscible organic solvent such as methanol, ethanol, acetone or ethyl acetate alone or a mixture thereof with water or n-hexane, chloroform, ether, etc. Spice widely used in general food processing and cooking is used as the spice and plants having well-known medicinal effects and fragrance are cited as the herb. n COPYRIGHT: (C)1990,JPO&Japio |