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Phytochemicals and antioxidants capacity from some food products in Egypt and Sudan / Gina Fahim Mikhail Abdelmalek ; Supervised Sohair Ahmed Ismail Arafa , Amira Shawky Soliman , Shaker Shehata Rizk

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Gina Fahim Mikhail Abdelmalek , 2020Description: 102 P. : charts ; 25cmOther title:
  • الكيميائيات النباتية وقدرتها المانعة للأكسدة لبعض المنتجات الغذائية فى مصر والسودان [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of African Postgraduate Studies - Department of Natural Resources Summary: Studies on some types of natural antioxidants as polyphenols, flavonoids, lycopene and carotenoids in some tomatoes and carrots products as slices and sheets through four months storage periods and juices mixture through three months storage periods. Also, sensorial evaluation study was investigated. - Tomatoes fruits (Marwa species) and yellow carrots roots (Shanta species) material and methods were described. - Moisture, nitrogen free extract, fiber, oil, protein and vitamin C were determined, in fresh tomatoes and carrots. Two tomatoes products were process.- Tomatoes slices. - Tomatoes sheets. Moisture, acidity, vitamin C, total flavonoids, carotenoids, lycopene contents studied during storage 4 months. Also, pectin methyl esterase, viscosity were determined whereas, sensorial evaluation was studied in all products (10- panelist). Vegetable juices produced in tomato and carrot juices for each juices, also mixture produced by different percentage. Total phenolic compounds, flavonoids and carotenoids were determined in all mixture during 3 months storage
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.16.03.Ph.D.2020.Gi.P (Browse shelf(Opens below)) Not for loan 01010110082413000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.16.03.Ph.D.2020.Gi.P (Browse shelf(Opens below)) 82413.CD Not for loan 01020110082413000

Thesis (Ph.D.) - Cairo University - Faculty of African Postgraduate Studies - Department of Natural Resources

Studies on some types of natural antioxidants as polyphenols, flavonoids, lycopene and carotenoids in some tomatoes and carrots products as slices and sheets through four months storage periods and juices mixture through three months storage periods. Also, sensorial evaluation study was investigated. - Tomatoes fruits (Marwa species) and yellow carrots roots (Shanta species) material and methods were described. - Moisture, nitrogen free extract, fiber, oil, protein and vitamin C were determined, in fresh tomatoes and carrots. Two tomatoes products were process.- Tomatoes slices. - Tomatoes sheets. Moisture, acidity, vitamin C, total flavonoids, carotenoids, lycopene contents studied during storage 4 months. Also, pectin methyl esterase, viscosity were determined whereas, sensorial evaluation was studied in all products (10- panelist). Vegetable juices produced in tomato and carrot juices for each juices, also mixture produced by different percentage. Total phenolic compounds, flavonoids and carotenoids were determined in all mixture during 3 months storage

Issued also as CD

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