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Life Sciences

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Antioxidants

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Full-Text Articles in Social and Behavioral Sciences

Determining The Effectiveness Of Rosemary Essential Oil On The Shelf Life Of Ground Beef Under Different Lighting Conditions, Jordan T. Looper, Kelly R. Vierck Jan 2023

Determining The Effectiveness Of Rosemary Essential Oil On The Shelf Life Of Ground Beef Under Different Lighting Conditions, Jordan T. Looper, Kelly R. Vierck

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

This study determined the effectiveness of rosemary extract on the shelf life of ground beef patties under different retail display conditions. Ground beef patties were produced from an 85%:15% blend (lean:fat). Patties were formed from batches of control or amended with rosemary extract. Patties were individually packaged using overwrap. Groups were assigned into one of two lighting groups (3000K and 3500K). Patties were placed in a simulated retail display for 5 d under continuous lighting and rotated once a day. Lipid oxidation and color samples were taken each day. Relating to lipid oxidation, there was no three-way interaction between display …


Processing And Storage Effects On The Polyphenolic Content And Antioxidant Capacity Of Conventional And Sugar-Free Blueberry Jams, Chelsea Castrodale, Luke Howard, Cindi Brownmiller Jan 2009

Processing And Storage Effects On The Polyphenolic Content And Antioxidant Capacity Of Conventional And Sugar-Free Blueberry Jams, Chelsea Castrodale, Luke Howard, Cindi Brownmiller

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Fresh blueberries have received much attention due to their positive role in human health and disease prevention. The abundance of polyphenolics, namely anthocyanins and procyanidins, is thought to play an important role in health promotion. Due to seasonal availability and limited shelf-life, blueberries are commonly preserved and consumed in various thermally processed forms (jams, juices, canned whole fruit, and purées). Both conventional high sugar and sugar-free blueberry jams are available on the market, but no information is available on how different formulations, processing conditions, and storage of processed jams affect the retention of polyphenolics and antioxidant capacity found in fresh …