Simulation of UV-C Dose Distribution and Inactivation of Mold Spore on Strawberries in a Conveyor System
In order to examine microbial decontamination by UV-C treatment of strawberries on a continuously moving conveyor, we developed a three-dimensional irradiation model based on a discrete ordinates (DO) method to evaluate UV-C dose distribution on strawberries. The sliding mesh method was employed to...
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| Veröffentlicht in: | FOOD SCIENCE AND TECHNOLOGY RESEARCH 2016, Vol.22(4), pp.461-466 |
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| container_title | FOOD SCIENCE AND TECHNOLOGY RESEARCH |
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| creator | Tanaka, Fumihiko Nashiro, Kohei Trivittayasil, Vipavee Uchino, Toshitaka |
| description | In order to examine microbial decontamination by UV-C treatment of strawberries on a continuously moving conveyor, we developed a three-dimensional irradiation model based on a discrete ordinates (DO) method to evaluate UV-C dose distribution on strawberries. The sliding mesh method was employed to describe the motion of strawberries placed on a UV-C-transparent film tray on a conveyor through a UV-C treatment system. We also estimated total UV-C radiation dose distribution on the surface of strawberries for four different configurations. The models with four lamps installed in parallel to the direction of movement provided uniform dose distribution. The time required for three-log inactivation of Penicillium digitatum on the surface of strawberries was also calculated. For the optimal model (Model D), 131 s was required for three-log inactivation of P. digitatum. The proposed radiation model was shown to be a useful tool for the optimization of UV-C treatment for strawberry. |
| doi_str_mv | 10.3136/fstr.22.461 |
| format | Article |
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The proposed radiation model was shown to be a useful tool for the optimization of UV-C treatment for strawberry.</description><subject>Berries</subject><subject>Computer simulation</subject><subject>Conveyors</subject><subject>Deactivation</subject><subject>Decontamination</subject><subject>DO model</subject><subject>Finite element method</subject><subject>Fungi</subject><subject>Inactivation</subject><subject>Irradiation</subject><subject>Microorganisms</subject><subject>Movement</subject><subject>Optimization</subject><subject>Penicillium digitatum</subject><subject>Radiation dosage</subject><subject>sliding mesh method</subject><subject>Strawberries</subject><subject>strawberry</subject><subject>surface decontamination</subject><subject>Three dimensional models</subject><subject>Ultraviolet radiation</subject><subject>UV-C</subject><issn>1344-6606</issn><issn>1881-3984</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpFkE9rGzEQxZfQQly3p34BQY9lHf1brfZSKE6aGFJ6cJKrkKVRLbO7ciXZxd8-cmycy8ww8-b34FXVV4JnjDBx41KOM0pnXJCrakKkJDXrJP9QZsZ5LQQW19WnlDYYk6aTdFKtl37Y9Tr7MKLg0PNLPUe3IQG69YXlV7u3ix4tWozaZL-_SH-H3qLlNkRAZbHMUf9fQYweEvLlA83DuIdDiGh5SBmGz9VHp_sEX859Wj3_unuaP9SPf-4X85-PtWkkz7URvKFOa2ppy6WWhDneSGzYClxnmcZWdloI0bScti2A1AbjlW2FZbgFytm0-nbibmP4t4OU1Sbs4lgsFZGN6DARrCuq7yeViSGlCE5tox90PCiC1TFKdYxSUapKlEV9f1IPYL3RfRh7P8I72A3chWCTooWuMKYU89LKWL6PpVhSIrumkH6cSJuU9V-4uOqYvenh3fVsfTmYtY4KRvYKeSyUfA</recordid><startdate>2016</startdate><enddate>2016</enddate><creator>Tanaka, Fumihiko</creator><creator>Nashiro, Kohei</creator><creator>Trivittayasil, Vipavee</creator><creator>Uchino, Toshitaka</creator><general>Japanese Society for Food Science and Technology</general><general>The Japanese Society for Food Science and Technology</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QR</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope></search><sort><creationdate>2016</creationdate><title>Simulation of UV-C Dose Distribution and Inactivation of Mold Spore on Strawberries in a Conveyor System</title><author>Tanaka, Fumihiko ; 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The sliding mesh method was employed to describe the motion of strawberries placed on a UV-C-transparent film tray on a conveyor through a UV-C treatment system. We also estimated total UV-C radiation dose distribution on the surface of strawberries for four different configurations. The models with four lamps installed in parallel to the direction of movement provided uniform dose distribution. The time required for three-log inactivation of Penicillium digitatum on the surface of strawberries was also calculated. For the optimal model (Model D), 131 s was required for three-log inactivation of P. digitatum. The proposed radiation model was shown to be a useful tool for the optimization of UV-C treatment for strawberry.</abstract><cop>Tsukuba</cop><pub>Japanese Society for Food Science and Technology</pub><doi>10.3136/fstr.22.461</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Food Science and Technology Research, 2016, Vol.22(4), pp.461-466 |
| issn | 1344-6606 1881-3984 |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | Berries Computer simulation Conveyors Deactivation Decontamination DO model Finite element method Fungi Inactivation Irradiation Microorganisms Movement Optimization Penicillium digitatum Radiation dosage sliding mesh method Strawberries strawberry surface decontamination Three dimensional models Ultraviolet radiation UV-C |
| title | Simulation of UV-C Dose Distribution and Inactivation of Mold Spore on Strawberries in a Conveyor System |
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