食品样品暴露于脉冲微波辐射中以提高其微生物安全性和保质期

Q3 Medicine
Y. Gulyaev, V. P. Meshchanov, B. M. Kats, N. A. Koplevatsky, A. A. Lopatin, K. Sayapin, V. Elkin, V. Komarov, V. Bayburin, A. Rytik
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引用次数: 0

摘要

本研究的目的是通过脉冲(非热)无线电发射提高生物材料和介质(以食品为例)的去污效率,并评估其在医学和生物学中的应用前景。材料和方法。为了实现这一目标,已经设计、制造和测试了一个实验装置,这使得研究生物材料和介质暴露于脉冲(非热)无线电发射的过程成为可能,特别是以食品为例。该方法的基础是根据被照射物体的类型对照射无线电信号的电物理参数进行最佳控制。我们使用了工作频率为(2.45±0.05)GHz的脉冲磁控管,授权用于生物医学研究,产生功率在0.1…10kW范围内可调的脉冲辐射。占空比为500…10000的脉冲重复率为0.1…5kHz。该装置有一个放置试样的操作室,以及磁控管保护和测量入射到生物物体上的微波功率参数的附加元件。结果和讨论。该装置已成功地用于用脉冲微波辐射对各种具有致病性微生物群(沙门氏菌等)的食品样品进行辐照。特别是,如研究所示,与未辐照样品的对照组相比,辐照肉糜样品中致病菌的算术平均数在储存28天后减少了27.5倍。在研究微波辐射对细胞分裂过程的影响以及电磁场对病理微生物影响的其他方面领域进行的初步实验证实了继续进行医学和生物学研究的前景和方便性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exposure of Food Samples to Pulsed Microwave Radiation to Increase their Microbiological Safety and Shelf Life
The aim of the study was to increase the efficiency of decontamination of biological material and media (by the example of food products) by pulsed (non-thermal) radio emission and asses the prospects of its application in medicine and biology.Materials and methods. To achieve the goal an experimental setup has been designed, manufactured and tested, which makes it possible to study the process of exposure of biological materials and media to pulsed (non-thermal) radio emission, in particular, by the example of food products. The basis of the method is optimum control of the electro-physical parameters of the irradiating radio signal, depending on the type of the irradiated object. We used pulsed magnetrons with operating frequency of (2.45±0.05) GHz, authorized for bio-medical research, generating pulsed radiation with an adjustable power within the range of 0.1...10 kW. The pulse repetition rate with a duty cycle of 500...10000 is 0.1...5 kHz. The setup has an operating chamber into which the test sample is placed, as well as additional elements of magnetron protection and measuring the parameters of the microwave power incident on biological object.Results and discussion. The setup has been successfully used to irradiate various food samples with pathogenic micro flora (Salmonella spp. etc.) with pulsed microwave radiation. In particular, as shown by the studies, the arithmetic mean number of pathogenic bacteria in the irradiated samples of minced meat decreased by 27.5 times after 28 days of storage as compared to the control group of non-irradiated samples. Preliminary conducted experiments in the field of investigating the effect of microwave radiation on the process of cell division and other aspects of electromagnetic field influence on pathological microorganisms confirm the prospects and the expediency of continuing the ongoing studies in medicine and biology. 
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来源期刊
Problemy Osobo Opasnykh Infektsii
Problemy Osobo Opasnykh Infektsii Medicine-Infectious Diseases
CiteScore
1.90
自引率
0.00%
发文量
79
审稿时长
12 weeks
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