Natural aflatoxin uptake by sugarcane (Saccharum officinaurum L.) and its persistence in jaggery
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- 作者：P. Hariprasad ; A. V. Vipin ; S. Karuna…
- 关键词：Sugarcane juice ; Jaggery ; Aspergillus flavus ; Aflatoxin ; ELISA
- 刊名：Environmental Science and Pollution Research
- 出版年：2015
- 出版时间：April 2015
- 年：2015
- 卷：22
- 期：8
- 页码：6246-6253
- 全文大小：193 KB
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- 刊物主题：Environment
Environment
Atmospheric Protection, Air Quality Control and Air Pollution
Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
Industrial Pollution Prevention- 出版者：Springer Berlin / Heidelberg
- ISSN：1614-7499
文摘
The present study focused on aflatoxin (AF) uptake by sugarcanes from contaminated soils, and its persistence in jaggery. Analysis of 25 agricultural soil samples from sugarcane growing fields revealed that 80?% were found contaminated with AF ranging from 0.5 to 22?ppb and all samples harbored aflatoxigenic fungi. Forty percent of the juices extracted from sugarcane grown in contaminated soil recorded AF ranging from 1.0 to 9.5?ppb. Conversely, jaggery prepared from those samples was almost free from AF. Further, greenhouse experiment confirms the AF uptake ability of sugarcane plants. Analysis of sugarcane juice and jaggery collected from local vendor showed 21?% (0.5 to 6.5?ppb) and 5.6?% (0.5-.0?ppb) of AF contamination, respectively. Aflatoxigenic Aspergillus flavus strain was evaluated for their ability to grow and produce AF on jaggery medium. At 14th day after inoculation, decreased concentration of AF was recorded in jaggery medium ranging from 0 to 120 mg jaggery/ml, above which AF was absent though the fungal growth was noted. From the results, it could be concluded that sugarcane plants have the ability to uptake AF from contaminated soil, but AF was reduced during jaggery preparation. Also, higher concentration of jaggery was inhibitory to AF production.