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Development and evaluation of a dog ...

Kowalski, Stacey J.,

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Development and evaluation of a dog biscuit with carotenoid as an antioxidant /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development and evaluation of a dog biscuit with carotenoid as an antioxidant // Stacey J Kowalski.
Author:	Kowalski, Stacey J.,
Description:	1 electronic resource (63 pages)
Notes:	Source: Masters Abstracts International, Volume: 71-04.
Contained By:	Masters Abstracts International71-04.
Subject:	Agronomy. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1469169
ISBN:	9781109347913

Development and evaluation of a dog biscuit with carotenoid as an antioxidant /
Kowalski, Stacey J.,

Development and evaluation of a dog biscuit with carotenoid as an antioxidant /Stacey J Kowalski. - 1 electronic resource (63 pages)

Source: Masters Abstracts International, Volume: 71-04.

Scope and method of study. The purpose of this study was to develop a shelf-stable, nutritious, and healthy dog treat that is unique, profitable, provides some benefit to the dog, and is highly marketable. For this study, three different carotenoids were added individually to the same dog treat recipe. The carotenoids used were lycopene, lutein with 5% zeaxanthin, and natural carotene which contains both α-carotene and β-carotene. An accelerated 6-week shelf-life study was completed by placing 20 dog treats into a sealed poly bag that was stored at 35C. Proximate analysis was completed to calculate moisture, lipid, protein, and ash content on week 0 only. Color analysis, water activity, and antioxidant concentration were measured on weeks 0, 1, 2, 3, 4, 5, and 6. An in-home pet preference test was completed by testing the three biscuits that have the added antioxidants against a similar product without carotenoids that was already on the market. Findings and conclusions. The results from water activity show that the biscuits with antioxidants had less variability over time. Color scores varied more for the top of the biscuits than for the bottoms. The preference test showed that no biscuit was preferred more than the other statistically. The carotene and lycopene biscuits had similar levels of antioxidant present and the control and lutein biscuits had similar levels of antioxidant present during the lycopene assay. In conclusion, though the biscuit that was created was well liked by the pets and their owners and the antioxidant did help with water activity, it may not be worth the added costs to include these carotenoids at these levels in a dog biscuit.

English

ISBN: 9781109347913Subjects--Topical Terms:

2122783
Agronomy.
Subjects--Index Terms:

Antioxidants

Development and evaluation of a dog biscuit with carotenoid as an antioxidant /
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100 1 $a Kowalski, Stacey J., $e author. $3 3829227
245 1 0 $a Development and evaluation of a dog biscuit with carotenoid as an antioxidant / $c Stacey J Kowalski.
264 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2009
300 $a 1 electronic resource (63 pages)
336 $a text $b txt $2 rdacontent
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500 $a Source: Masters Abstracts International, Volume: 71-04.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisors: Bowser, Timothy Committee members: Damron, Stephen; McGlynn, William.
502 $b M.S. $c Oklahoma State University $d 2009.
520 $a Scope and method of study. The purpose of this study was to develop a shelf-stable, nutritious, and healthy dog treat that is unique, profitable, provides some benefit to the dog, and is highly marketable. For this study, three different carotenoids were added individually to the same dog treat recipe. The carotenoids used were lycopene, lutein with 5% zeaxanthin, and natural carotene which contains both α-carotene and β-carotene. An accelerated 6-week shelf-life study was completed by placing 20 dog treats into a sealed poly bag that was stored at 35C. Proximate analysis was completed to calculate moisture, lipid, protein, and ash content on week 0 only. Color analysis, water activity, and antioxidant concentration were measured on weeks 0, 1, 2, 3, 4, 5, and 6. An in-home pet preference test was completed by testing the three biscuits that have the added antioxidants against a similar product without carotenoids that was already on the market. Findings and conclusions. The results from water activity show that the biscuits with antioxidants had less variability over time. Color scores varied more for the top of the biscuits than for the bottoms. The preference test showed that no biscuit was preferred more than the other statistically. The carotene and lycopene biscuits had similar levels of antioxidant present and the control and lutein biscuits had similar levels of antioxidant present during the lycopene assay. In conclusion, though the biscuit that was created was well liked by the pets and their owners and the antioxidant did help with water activity, it may not be worth the added costs to include these carotenoids at these levels in a dog biscuit.
546 $a English
590 $a School code: 0664
650 4 $a Agronomy. $3 2122783
650 4 $a Food science. $3 3173303
653 $a Antioxidants
653 $a Carotenoids
653 $a Dog biscuits
653 $a Shelf-life
690 $a 0359
690 $a 0778
690 $a 0285
710 2 $a Oklahoma State University. $b Food Science. $e degree granting institution. $3 3825297
720 1 $a Bowser, Timothy $e degree supervisor.
773 0 $t Masters Abstracts International $g 71-04.
790 $a 0664
791 $a M.S.
792 $a 2009
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1469169