Antimicrobial activities of diterpene dialdehydes, constituents from myoga (Zingiber mioga Roscoe), and their quantitative analysis

The antimicrobial activities of the three diterpene dialdehydes, miogadial, galanal A and galanal B, isolated from flower buds of the myoga (Zingiber mioga Roscoe) plant were investigated with some strains of bacteria, yeasts and molds. Among the three compounds, miogadial exhibited relatively great...

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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2004-07, Vol.68 (7), p.1601-1604
Main Authors: Abe, M. (Takasaki Univ. of Health and Welfare, Gunma (Japan)), Ozawa, Y, Uda, Y, Yamada, F, Morimitsu, Y, Nakamura, Y, Osawa, T
Format: Article
Language:English
Subjects:
ALDEHYDES
Anti-Bacterial Agents - isolation & purification
Anti-Bacterial Agents - pharmacology
ANTIBIOTIC PROPERTIES
antimicrobial activity
Diterpenes - isolation & purification
Diterpenes - pharmacology
DITERPENOIDS
Flowers - chemistry
Fungi - drug effects
galanal A
galanal B
GRAM POSITIVE BACTERIA
Gram-Negative Bacteria - drug effects
Gram-Positive Bacteria - drug effects
Microbial Sensitivity Tests
miogadial (aframodial)
MOULDS
Plant Extracts - isolation & purification
Plant Extracts - pharmacology
PROXIMATE COMPOSITION
Structure-Activity Relationship
YEASTS
Zingiber
ZINGIBER MIOGA
Zingiberaceae - chemistry
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Summary:The antimicrobial activities of the three diterpene dialdehydes, miogadial, galanal A and galanal B, isolated from flower buds of the myoga (Zingiber mioga Roscoe) plant were investigated with some strains of bacteria, yeasts and molds. Among the three compounds, miogadial exhibited relatively greater antimicrobial activity than the others against Gram-positive bacteria and yeasts. Galanals A and B also behaved as antimicrobial agents against Gram-positive bacteria and yeasts. The content of miogadial in the flower buds was much higher than that in the leaves, whereas galanals A and B were contained at high levels in the leaves and rhizomes.
ISSN:0916-8451
1347-6947
DOI:10.1271/bbb.68.1601