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UID:20250813T121906EDT-8452s3k0aa@132.216.98.100
DTSTAMP:20250813T161906Z
DESCRIPTION:PhD Oral Defence of Josephine Ampofo\, Food Science and Agricul
 tural Chemistry\n\nCommon bean (Phaseolus vulgaris) offer additional healt
 h benefits due to the presence of bioactive compounds such as phenolics. T
 hus\, there is need to enhance phenolic yield in common bean\, especially 
 in the cultivars with limited concentrations using appropriate technologie
 s. This study investigated the influence of chemical\, ultrasonication and
  thermal elicitation strategies on phenolic accumulation and antioxidative
  properties of common bean at different sprouting stages. Mechanisms of th
 e phenolic accumulation were also studied. Among the different concentrati
 ons of chemical elicitors (Glutamic acid and NaCl) studied\, 5 mM glutamic
  acid optimally stimulated activities of phenylpropanoid triggering enzyme
 s\, correlating with its significant elevations of oxidative stress and fi
 nal accumulation of defense phenolic compounds. For the range of ultrasoni
 cation power and time studied\, 360 W (60 min) yielded the highest folds o
 f phenolics and antioxidant capacity\, by its significant stimulation of o
 xidative stress at non-lethal levels against activities of phenylpropanoid
  triggering enzymes. Also\, among investigated thermal elicitation levels\
 , the intensities of oxidative stress induced at 30°C were non-toxic again
 st stimulatory activities of phenylpropanoid triggering enzymes\, reflecti
 ng in its maximum accumulation of phenolics and antioxidant potential\, co
 mpared to higher temperatures. The findings of this study give details on 
 how different elicitors can be applied in designing processing systems tar
 geted for the production of phenolic enriched functional foods.\n\nEveryon
 e in the 9IÖÆ×÷³§Ãâ·Ñ community is welcome to attend a PhD Oral Defence. Please 
 join us in celebrating the accomplishments of our PhD candidates.\n
DTSTART:20200219T191500Z
DTEND:20200219T191500Z
LOCATION:R2-013\, Raymond Building\, CA\, QC\, St Anne de Bellevue\, H9X 3V
 9\, 21111 Lakeshore Road
SUMMARY:PhD Oral Defence: Elicitation of phenolic biosynthesis and antioxid
 ative capacities in common bean (Phaseolus vulgaris) sprouts
URL:/macdonald/channels/event/phd-oral-defence-elicita
 tion-phenolic-biosynthesis-and-antioxidative-capacities-common-bean-320159
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