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Determination of antioxidant activit...

Shiyaji, Jenab.

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Determination of antioxidant activity of polyphenol extract from grape seeds.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Determination of antioxidant activity of polyphenol extract from grape seeds./
作者:	Shiyaji, Jenab.
面頁冊數:	49 p.
附註:	Adviser: Panfilo Belo.
Contained By:	Masters Abstracts International46-04.
標題:	Agriculture, Food Science and Technology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1452044
ISBN:	9780549464181

Determination of antioxidant activity of polyphenol extract from grape seeds.
Shiyaji, Jenab.

Determination of antioxidant activity of polyphenol extract from grape seeds. - 49 p.

Adviser: Panfilo Belo.

Thesis (M.S.)--San Jose State University, 2007.

The aim of the study was to determine the antioxidant property of grape seed polyphenol extract (GSPPE) and compare it with synthetic antioxidant butylated hydroxy toluene (BHT). Canola oil containing 0, 200, 500 ppm of GSPPE and BHT (200 ppm) were subjected to an accelerated oxidation test at 70°C with continuous aeration. Degree of oxidation was monitored at every 48 hours for 8 days using peroxide value (PV) and thiobarbituric acid (TBARS) analysis.

ISBN: 9780549464181Subjects--Topical Terms:

1017813
Agriculture, Food Science and Technology.

Determination of antioxidant activity of polyphenol extract from grape seeds.
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100 1 $a Shiyaji, Jenab. $3 1278357
245 1 0 $a Determination of antioxidant activity of polyphenol extract from grape seeds.
300 $a 49 p.
500 $a Adviser: Panfilo Belo.
500 $a Source: Masters Abstracts International, Volume: 46-04, page: 1950.
502 $a Thesis (M.S.)--San Jose State University, 2007.
520 $a The aim of the study was to determine the antioxidant property of grape seed polyphenol extract (GSPPE) and compare it with synthetic antioxidant butylated hydroxy toluene (BHT). Canola oil containing 0, 200, 500 ppm of GSPPE and BHT (200 ppm) were subjected to an accelerated oxidation test at 70°C with continuous aeration. Degree of oxidation was monitored at every 48 hours for 8 days using peroxide value (PV) and thiobarbituric acid (TBARS) analysis.
520 $a The total phenol content of GSPPE was 43-48% gallic acid equivalent. Regression analyses for the three trials showed PV had a similar pattern of results unlike that of TBARS. The GSPPE 500 ppm showed better antioxidant activity than GSPPE 200 ppm as measured by PV, but the activity was not prevalent throughout the storage period of 8 days. So based on PV, GSPPE 200 ppm and GSPPE 500 ppm are not effective antioxidants when compared with BHT.
590 $a School code: 6265.
650 4 $a Agriculture, Food Science and Technology. $3 1017813
690 $a 0359
710 2 $a San Jose State University. $3 1020800
773 0 $t Masters Abstracts International $g 46-04.
790 $a 6265
790 1 0 $a Belo, Panfilo, $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1452044