Co-identity of the refusal and emetic principle from Fusarium-infected corn.
نویسندگان
چکیده
The structure of vomitoxin isolated from Fusarium-contaminated corn was proved to be 3,7,15-trihydroxy-12,13-epoxytrichothec-9-en-8-one. This same toxin is responsible for the "refusal phenomenon" exhibited by swine fed contaminated corn. In addition, two new substances believed to be trichothecenes were isolated from naturally infected corn. Vomitoxin was also isolated from rice inoculated with F. graminearium NRRL 5883.
منابع مشابه
Isolation of the emetic principle from Fusarium-infected corn.
A mycotoxin responsible for vomiting in swine has been isolated from Fusarium-contaminated field corn. The compound was tentatively identified as a trichothecene, 3,7,15-trihydroxy-12,13-epoxy-trichothe-9-en-8-one, and has been given the trivial name vomitoxin.
متن کاملVomitoxin : Natural Occurrence on Cereal Grains and Significance as a Refusal and Emetic Factor to Swine
Fifty 12,13-epoxytrichothecenes have been reported in the literature; of these diacetoxyscirpenol, T-2 toxin, nivalenol and vomitoxin have been naturally occurring in cereal grains throughout the world. Vomitoxin is produced in ears of corn prior to harvest when wet, cool weather precedes which favours Gibberella zeae growth. This type of infected corn, which often contains vomitoxin, is associ...
متن کاملNatural occurrence of deoxynivalenol, 15-acetyl-deoxynivalenol, and zearalenone in refusal factor corn stored since 1972.
Two samples of "refusal factor" corn, one stored frozen in Minnesota and one stored dry in Indiana since 1972 or 1973, were analyzed for the presence of Fusarium spp. and Fusarium toxins. Both samples were from corn refused by swine in Indiana from 1972 to 1973. Sample FS 808 (stored in Indiana) contained 20 ppm of deoxynivalenol (20 micrograms/g), 16 ppm of 15-acetyl-deoxynivalenol, 5 ppm of z...
متن کاملProduction of refusal factors by Fusarium strains on grains.
Corn fermented with strains of Fusarium culmorum NRRL 3288, F. poae NRRL 3287, F. moniliforme NRRL 3197, and F. nivale NRRL 3289 at 28 degrees C for 13 days was refused when fed to 30- to 60-pound (about 13.6- to 27.2-kg) swine. Analyses of the refused corn for trichothecenes (T-2, HT-2, acetyl T-2, fusarenon-X, and vomitoxin) showed that only the corn fermented with F. culmorum contained vomit...
متن کاملProduction of deoxynivalenol and zearalenone by isolates of Fusarium graminearum Schw.
The production of deoxynivalenol (DONI) on rice, corn, wheat, and barley grains by Fusarium graminearum Schw. NRRL 5883 was investigated. Highest yields (91.9-202 ppm) were obtained on rice; yields on the other substrates were: corn (34.1-84.5 ppm), wheat (3.6-24.4 ppm), and barley (0-6.6 ppm). Fifty isolates of Fusarium from corn inoculated in the field in 1979 with a mixture of strains of F. ...
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عنوان ژورنال:
- Applied and environmental microbiology
دوره 31 2 شماره
صفحات -
تاریخ انتشار 1976