alexa Rice Microbial Community Responses To Drying By 915 MHz Industrial Microwave
ISSN: 2157-7110

Journal of Food Processing & Technology
Open Access

Like us on:
OMICS International organises 3000+ Global Conferenceseries Events every year across USA, Europe & Asia with support from 1000 more scientific Societies and Publishes 700+ Open Access Journals which contains over 50000 eminent personalities, reputed scientists as editorial board members.

Open Access Journals gaining more Readers and Citations

700 Journals and 15,000,000 Readers Each Journal is getting 25,000+ Readers

This Readership is 10 times more when compared to other Subscription Journals (Source: Google Analytics)

Share This Page

Additional Info

Loading Please wait..

2nd International Conference on Food Security and Sustainability
June 26-27, 2017 San Diego, USA

Griffiths G. Atungulu and Deandrae L Smith
The University of Arkansas, USA
ScientificTracks Abstracts: J Food Process Technol
DOI: 10.4172/2157-7110-C1-062
The typical convective heated air-drying methods for rice are not metered to inactivate harmful fungal spores that produce mycotoxins. Some mycotoxins such as aflatoxin are highly toxic and present health hazards to grain consumers. The objective of this study was to investigate the effectiveness of utilizing microwaves (MW) at 915 MHz frequency to achieve rapid rice drying and decontamination of aflatoxigenic fungal spores. Medium-grain rough rice (cv. CL721) at initial moisture content of 23% (w.b.) was dried using a 915 MHz industrial MW set to transmit energy at power levels 5, 10 and 15 kW for 4, 6 and 8 minutes and for rice bed thicknesses 5, 10 and 15 cm. Inactivation of the afaltoxigenc fungal spore (Aspergillus flavus) and other bacteria across the bed thickness was studied. For the studied range of processing conditions, aflatoxigenic fungal load was reduced by 2.75 log CFU/g and anaerobic bacterial load was reduced by 3.00 log CFU/g, respectively. Microbial loads were significantly affected (p<0.005) by increasing specific energy input; increasing rice bed thickness up to 15 cm had negligible effects on microbial load reduction and variability among the rice layers. This work showed that MW drying of rough rice, especially using the 915 MHz frequency, holds promise as a rapid drying method with potential benefits of microbial decontamination; this may help grain producers combat fungi related problems such as those resulting from mycotoxin contamination, especially aflatoxin, a highly toxic and known carcinogen.

Griffiths G. Atungulu is an Assistant Professor of Grain Process Engineering in the Food Science Department at the University of Arkansas, Division of Agriculture. His education has been in agricultural engineering with research specialization in grains process engineering. He holds Bachelor of Science degree in Agricultural Engineering from Jomo Kenyatta University of Agriculture and Technology, Kenya and MS and PhD degrees in Agricultural Engineering from Iwate University, Japan. Presently, his program is focused on engineering effective strategies to maintain grain quality and prevent mycotoxin development.

Email: [email protected]

image PDF   |   image HTML

Relevant Topics

Peer Reviewed Journals
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version