A supercritical carbon dioxide plasma sterilizing and cleaning device for Aspergillus flavus in grain
A plasma and carbon dioxide technology, which is used in cleaning methods using gas flow, food science, cleaning methods and utensils, etc., can solve problems such as reducing food quality, endangering human health, and generating thermal effects, so as to maintain quality and environmental pollution-free. , the effect of low energy consumption
Active Publication Date: 2021-04-13
QINGDAO AGRI UNIV
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Problems solved by technology
[0004] The present invention aims to solve the above problems, and provides a supercritical carbon dioxide plasma sterilizing and cleaning device for Aspergillus flavus in grains, which solves the problem that the thermal effect in the microwave and infrared radiation sterilization process easily reduces the quality of grains; solves the problem of chemical There are solvent residues in the preparation antibacterial method, which is harmful to human health; it solves the problem of washing food impurities and Aspergillus flavus
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[0023] Below in conjunction with accompanying drawing and example the present invention will be further described:
[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0025] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; either directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the...
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The invention relates to a supercritical carbon dioxide plasma sterilizing and cleaning device for Aspergillus flavus in grain, which is characterized in that it comprises: a housing, a carbon dioxide inlet valve, an air inlet valve, a gas delivery pipeline, a first cover, and a gas outlet Valve, second cover and material box and plasma generating means. The present invention adopts two non-thermal sterilization technologies of plasma and supercritical carbon dioxide to carry out joint sterilization of Aspergillus flavus on the grain surface, which can not only quickly kill Aspergillus flavus on the grain surface, but also clean the inactivated Aspergillus flavus and impurities on the grain surface; the whole The processing process is in a low-temperature state, which greatly maintains the quality of grain products; the device of the invention is fast and efficient, has no solvent residue, low energy consumption, and has no pollution to the environment.
Description
technical field [0001] The invention relates to a supercritical carbon dioxide plasma sterilizing and cleaning device for Aspergillus flavus in grain. Background technique [0002] Aspergillus flavus is a common saprophytic fungus in grain, which produces secondary metabolites aflatoxin during reproduction. It is reported that at least 2% of the crops in the world are polluted by Aspergillus flavus every year. At present, the sterilization methods of Aspergillus flavus at home and abroad include physical sterilization methods such as microwave, pulsed strong light, ultraviolet and infrared radiation, biological agents, and chemical agents. In the process of microwave and infrared radiation sterilization, thermal effects are generated, which easily reduces the quality of food; chemical agent antibacterial methods have solvent residues, which introduce new hidden dangers to food quality and safety. [0003] The main processes of domestic and foreign grain cleaning methods in...
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IPC IPC(8): B08B5/00B08B7/00A23L5/20
CPCA23L5/20A23L5/27B08B7/0021
Inventor 杨庆利张志伟王世清于春娣唐娟
Owner QINGDAO AGRI UNIV