Uji Resistensi Bakteri Vibrio parahaemolyticus Terhadap Ekstrak Makroalga Halimedadiscoidea, Halymenia dilatata dan Dictyota dichotoma
نویسندگان
چکیده
منابع مشابه
Dictyota dichotoma (Phaeophyceae): Identification of the Sperm Attractant.
Freshly released eggs of the marine brown alga Dictyota dichotoma secrete a substance that attracts spermatozoids. This compound has been identified as n-butyl-cyclohepta-2,5-diene. It is closely related to attractants in several other brown algae and confirms that a relation exists between phylogeny and attractant compounds.
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Bioassay-guided fractionation of an ethanol extract of the brown alga, Dictyota dichotoma, led to the isolation of a novel chlorine-containing perhydroazulene diterpene together with two known diterpenes, dictyolactone and sanadaol. The structure of the novel compound, named dictyol J, was elucidated on the basis of spectroscopic information. Dictyolactone showed the highest algicidal activity ...
متن کاملPachydictyols B and C: New Diterpenes from Dictyota dichotoma Hudson
Two new diterpenoids, pachydictyol B (1a/1b) and C (2), were isolated from the dichloromethane extract of the marine brown alga, Dictyota dichotoma, collected from the Red Sea coast of Egypt, along with the known metabolites, pachydictyol A (3a), dictyol E (4), cis-africanan-1α-ol (5a), fucosterol (6), tetrahydrothiophen-1,1-dioxide and poly-β-hydroxybutyric acid. GC-MS analysis of the nonpolar...
متن کاملCytotoxic hydroazulene diterpenes from the brown alga Dictyota dichotoma.
Two new hydroazulenoid (prenyl guaiane) diterpenes, dictyone acetate (2) and 3,4-epoxy 13-hydroxy pachydictyol A (4) were isolated from the petroleum ether fraction of the alcoholic extract of the brown alga, Dictyota dichotoma (Hudson) Lamouroux, which was collected from the Red Sea coasts at Hurgada, Egypt, together with three known ones, pachydictyol A (1), dictyone (3) and 11-hydroxypachydi...
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G. Balakrish Nair es Director del Laboratory Sciences Division, en el International Center for Diarrhoeal Diseases Research, Bangladesh (ICDDR,B)-Centre for Health and Population Research, Dhaka, Bangladesh. Se graduó de Madras University en 1975, realizó una maestría en Biología Marina en 1977 en Annamalai University alcanzando el grado de PhD en 1982. Entonces se integró al Department of Micr...
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ژورنال
عنوان ژورنال: SIMBIOSA
سال: 2018
ISSN: 2598-6007,2301-9417
DOI: 10.33373/sim-bio.v7i1.1312