ANTIMICROBIAL AGENT

• Main Authors: HIRAYAMA YUTAKA, ITSUKIDA TOMOO, HAKAMATA YUSUKE
• Format: Patent
• Language: English
• Published: 18.08.1998
• Edition: 6
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; TRAPPING

PROBLEM TO BE SOLVED: To obtain a naturally occurring antimicrobial agent having no adverse effects such as irritation, excellent in medicinal effects and stability, by including an extract of a plant of the genus Rhopala of the family Roupala as an active ingredient. SOLUTION: A wood part, a core part, a bark part, a branch part or a leaf part of a plant of the genus Rhopala of the family Roupala [e.g. R. montana] is extracted with a solvent (e.g. methanol) at 3-70 deg.C, optionally purified, diluted, concentrated, dried, etc., to give an antimicrobial agent comprising the plant of the genus Rhopala of the family Roupala. The antimicrobial agent in an amount of 0.001-20wt.% is optionally formulated with another antimicrobial agent, glycerol, a polymer thickening agent, a perfume, an oil, an ultraviolet light absorber, a chelating agent, a dyestuff, etc., to give a quasi medicine, a cosmetic or a toiletry product such as a dentifrice, a shampoo, an oily ointment, a cream, a toilet lotion, a soap, a body cosmetic, etc.