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ที่มา:วิทยาสารเกษตรศาสตร์ สาขา วิทยาศาสตร์

หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Studies on Fungal Load, Total Afl atoxins and Ochratoxin A Contents of Gamma-irradiated and non-irradiated Sesamum indicum Grains from Abuja Markets, Nigeria)

ผู้เขียน:ImgEmmanuel Chukuma Akueche, ImgSamuel Toba Anjorin, ImgBasene Iyenebowa Harcourt, ImgDoris Kana, ImgEsther Adeboye, ImgIsah Shehu, ImgRebecca Akande, ImgAdekunle Temitope Adeleke, ImgOwotayo Abiodun Shonowo, ImgCharles Adedokun Adesanmi

สื่อสิ่งพิมพ์:pdf

Abstract

The fungal load, total afl atoxins (B1, B2, G1 and G2) and ochratoxin A (OTA) contamination of 36 samples of Sesamum indicum L. grains from Abaji, Gwagwalada, Kubwa and Karu in the Federal Capital Territory, Abuja, Nigeria were investigated. A total of 135 fungal isolates belonging to fi ve genera—namely, Aspergillus, Curvularia, Penicillium, Fusarium and Ascochyta—in decreasing order of prevalence were isolated from the non-irradiated grains. Only 34 isolates were obtained from the irradiated seeds at 3 kGy. Aspergillus spp. were observed in all the non-irradiated grain samples. Some fungal species were observed in irradiated grains treated with 3 kGy but none in the grains irradiated with 6–15 kGy. There was no consistent and no signifi cant (P > 0.05) reduction in the total afl atoxins and ochratoxin A contents of irradiated samples from the four markets at 3 to 12 kGy. However, all the sesame grains exposed to irradiation at 15 kGy had comparatively the least total afl atoxins and ochratoxin A contents. Multiple mycotoxin analysis and the nutritional quality of the irradiated mold-free grains should be further investigated.

Article Info
Agriculture and Natural Resources -- formerly Kasetsart Journal (Natural Science), Volume 046, Issue 3, May 12 - Jun 12, Page 371 - 382 |  PDF |  Page