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Full-Text Articles in Food Science

Effect Of The Co2 Grinding On Modified Atmosphere And Color Shelf Life Of Ground Beef, Sofiane Ghris Dec 2007

Effect Of The Co2 Grinding On Modified Atmosphere And Color Shelf Life Of Ground Beef, Sofiane Ghris

All Theses

Beef ground under air and carbon dioxide (CO2) conditions were evaluated for their storage stability at 2 ± 1¼C starting after 2 days in the dark to simulate transportation, followed by 7 days in lighted display by measuring color (CIE L*, a*, b*, the hue and chroma), gas headspace, microbiological content, and pigment content. AC (ground in air then packaged in 100% CO2 MAP) and CC (ground in CO2 then packaged in 100% CO2 MAP) treatments showed the highest a* and chroma values from day 3 to 9 compared with AV (ground in air then vacuum packaged) and CV (ground …


Development And Evaluation Of Instruments To , Patricia Michaud Dec 2007

Development And Evaluation Of Instruments To , Patricia Michaud

All Theses

The objectives of this study are to provide evidence for and demonstrate the processes used to develop and test tools to measure the effectiveness of a culinary and nutrition education program. This study initially involved a review of literature related to the environmental conditions for and components of nutrition education interventions featuring hands-on cooking skill activities. Based on this literature examination, the Cooking Attitude, Cooking Behavior, Produce Consumption Self-Efficacy, Cooking Self-Efficacy, Self-Efficacy for Using Basic Cooking Techniques, and Self-Efficacy for Using Fruits, Vegetables and Seasonings scales and the Knowledge of Cooking Terms and Techniques evaluation were developed. The Availability and …


Almond Skins As A Natural Antioxidant, Heather Johnson Aug 2007

Almond Skins As A Natural Antioxidant, Heather Johnson

All Theses

In this thesis, the potential for almond skins in their native state as a natural antioxidant in foods was explored. A literature review of general information on almonds, research done on almond skins, and general information on antioxidants is presented. The almond skins used in this study required an additional heat treatment step to improve their microbiological quality before further treatments and analysis could be performed. A descriptive analysis sensory panel was utilized to identify potential flavor and aroma descriptors and their intensities. The aroma descriptors identified were toasted, bran, and toasted; nutty. The flavor descriptors identified were toasted, bran, …


Physiochemical Properties And Bioactivities Of Tea Seed (Camellia Oleifera) Oil, Yen-Hui Chen May 2007

Physiochemical Properties And Bioactivities Of Tea Seed (Camellia Oleifera) Oil, Yen-Hui Chen

All Theses

Tea seed (Camellia oleifera) oil has been used for cooking in China and other Asian countries for more than a thousand years. This study determined the fatty acid composition and tocopherol content through chromatography-flame ionization (GC-FID) and high performance liquid chromatography-UV (HPLC-UV) , respectively. The results showed that the tea seed oil (TSE) was mainly composed of 18.30% palmitic acid (C16:0), 54.95% oleic acid (C18:1), 22.41% linoleic acid (C18:2), and 0.17% linolenic acid (C18:3). Its α-tocopherol content was found the 21.13 mg/100 g oil. Moreover, the antioxidant capacities of methanolic extract of TSE and the remaining meal (Meal)were …