Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 21 ISSUE 3
Written by Tarek FOUDA, Mohamed ELKHOLY, Adel Helal ELMETWALLI, Dalia SALEH
Experiments were carried out through summer season 2019 in the Rice Mechanization centre at Meet El-Deeba, Kafr El-Sheikh Governorate to study the effect of infra-red radiation and ultraviolet radiation on protein, trypsin inhibitor and total microbial count of cowpea seeds as pre- conditioning methods prior to storage process. Five exposure times of (3-6-9-12-15 min) and five irradiation intensity (804.255, 882.67, 964.74, 1,050.45, 1,139.8 W/m2) were used for infra-red treatments. For ultraviolet treatment four exposure times (10-20-30-40min) and three irradiation intensity (7.077 – 3.538 – 2.359 mW/cm2) were used. For the IR conditioning method, irradiation intensity of 882.67 W/m2 at exposure time of 15 min is recommended. This level of radiation intensity and exposure time, showed total microbial count of 2.3 Log CFU/g., protein content 28.88 %, trypsin inhibitor 1.148 TIU/mg and moisture content 8.13 % of cowpea seeds. Meanwhile the irradiation intensity of 3.538 mW/cm2 at exposure time of 40 mins is recommended for UVC irradiation pre-treatment to get total microbial count 2 Log CFU/g., protein content 28.15%, trypsin inhibitor 0.57 TIU/mg and moisture content 10.95%.
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{simplepopup popup="false" name="Citation43"}FOUDA T., ELKHOLY M., ELMETWALLI A.H., SALEH D. 2021, EFFECT OF INFRA-RED AND ULTRAVIOLET RADIATION ON STERILIZATION AND TRYPSIN INHIBITOR DEACTIVATION OF COWPEA SEEDS. Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 21 ISSUE 3, PRINT ISSN 2284-7995, 379-386. {/simplepopup}