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US 6,268,399 B1Granted
Salal extracts having antimicrobial properties
AssigneeMenlo West, LLC
InventorsJ. Dustin Hultine, Takuji Tsukamoto
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Abstract
Extracts of the common edible evergreen plant Gaultheria shallon, commonly known as salal, are shown to have bactericidal and fungicidal activity.
Claims21
An antimicrobial composition comprising an effective amount of an antimicrobial agent comprising an extract of the plant Gaultheria shallon.
A method of obtaining an antimicrobial agent comprising the following steps:
- (a) obtaining a portion of at least one plant part of the plant Gaultheria shallon;
- (b) sterilizing said plant portion;
- (c) rinsing said plant portion;
- (d) contacting said plant portion with an aqueous buffered solution to obtain a supernatant;
- (e) separating an antimicrobial agent-containing portion from said supernatant by filtration;
- and
- (f) drying said antimicrobial agent-containing portion.
4 more elements
Dependencies are inferred from the claim text.