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Functional properties and utilizatio...

Garcia, Lyda Guadalupe.

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Functional properties and utilization of high pH beef.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Functional properties and utilization of high pH beef./
作者:	Garcia, Lyda Guadalupe.
面頁冊數:	184 p.
附註:	Source: Dissertation Abstracts International, Volume: 70-11, Section: B, page: 6625.
Contained By:	Dissertation Abstracts International70-11B.
標題:	Agriculture, Horticulture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3384238
ISBN:	9781109491296

Functional properties and utilization of high pH beef.
Garcia, Lyda Guadalupe.

Functional properties and utilization of high pH beef. - 184 p.

Source: Dissertation Abstracts International, Volume: 70-11, Section: B, page: 6625.

Thesis (Ph.D.)--Texas A&M University, 2009.

Two Texas fed beef and cow/bull packing plants were surveyed for high pH beef carcasses as well as the evaluation of functional properties of high pH beef in whole muscle beef jerky, frankfurters, and snack stick production. An estimated 42% of cow carcasses were of 6.0 muscle pH or greater as well as exhibiting darker, less red colored lean. Jerky high in pH from cow inside rounds resulted in the greatest percent moisture and least percent protein compared to other treatments. High pH cooked jerky were higher in (P < 0.05) pH and water activity and lower in percent fat and shear force values. In cooked jerky slices, fed-high resulted in the highest percent MPR and cook yield, but was the most tender. In contrast, fed-normal resulted in the least water activity, MPR and toughest jerky slices. In frankfurter production, emulsion stability and hydration values was highest for C (1.98mL) followed by 100H (3.37mL) that decreased as percent high pH decreased. As storage day increased, frankfurter pH decreased, especially by day 56 (5.67) where LAB and APC counts had reached a log of 6.0 indicative of spoilage by day 28 and became lighter and less red in color with minimal lipid oxidation. 100H was harder and less cohesive with trained panelists reported containing at least 50% high pH meat was harder. The pH and internal color of cooked snack sticks significantly increased and became lighter and redder as percent high pH meat increased. Even though water activity compared to a whole muscle dry product or an emulsified, water added product ranged from 0.85 to 0.86 (P > 0.05), minimal (P > 0.05) lipid oxidation occurred. 100N resulted in the least percentage of fat but 3% more (P < 0.05) protein and highest shear force values. Overall, beef raw materials high in pH may be better suited in a semi-dry fermented product.

ISBN: 9781109491296Subjects--Topical Terms:

1017832
Agriculture, Horticulture.

Functional properties and utilization of high pH beef.
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