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003 | EG-GiCUC | ||
005 | 20250223031704.0 | ||
008 | 170319s2016 ua f m 000 0 eng d | ||
040 |
_aEG-GiCUC _beng _cEG-GiCUC |
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041 | 0 | _aeng | |
049 | _aDeposite | ||
097 | _aPh.D | ||
099 | _aCai01.07.09.Ph.D.2016.Fa.E | ||
100 | 0 | _aFaten Anwar Abdeldaim Ahmed | |
245 | 1 | 0 |
_aEffect of pesticide residues on the quality of grape and apple fruits and their processed products / _cFaten Anwar Abdeldaim Ahmed ; Supervised Abdelrahman Mohamed Khalaf Allah , Emam Abdelmobdy Abdelrahim , Nagwa Mohamed Elshimi |
246 | 1 | 5 | _aتأثير متبقيات المبيدات على جودة ثمار العنب و التفاح و منتجاتها المصنعة |
260 |
_aCairo : _bFaten Anwar Abdeldaim Ahmed , _c2016 |
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300 |
_a184 P. ; _c25cm |
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502 | _aThesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Food Science and Technology | ||
520 | _aThe present study aimed to estimate penconazole and chlorfenapyr residue in grape, apple fruits and their products, to determinate the rates of fungicides dissipation, half-life values (RL50) and pre-harvest intervals (PHI) and analyzed physical, chemical and biologically. Applications of penconazole and chlorfenapyr pesticides were carried out on grape and apple fruits grown in the open field at Kalyoubia Governorate, samples were collected after (one hour, one day, 3, 5, 7, 9, 11, 15 and 21 days) of application. The pesticide residues were analyzed by GLC and HPLC. The PHI time was 3 and 10 days after penconazole application for grape and apple for fresh fruits or juices product. The PHI time was 21 day after the chlorfenapyr application for grape and apple, that for fresh fruits or juices product. The penconazole residue in grape and apple RL₅₀ was 2. 62 and 1.11 days, respectively, while the RL₅₀ for chlorfenapyr was 2. 86 and 2. 64 days for grape and apple, respectively. Viscosity, total acidity and T.S.S. observed slightly alterations but not significant for fresh, juice or jam samples. The tested pesticides were influenced (slightly increased) on minerals contents for grape and apple samples. The slightly increased in ash by pesticides application was confirmed by the increases in all minerals. Vitamins (A, B₁, B⁴ and C) content were slightly decreased by pesticide application. Total phenols and flavonoids were decreased in their juice or jam. Also, grape contained more amounts than apple | ||
530 | _aIssued also as CD | ||
653 | 4 | _aPenconazole | |
653 | 4 | _aPesticide | |
653 | 4 | _aResidues | |
700 | 0 |
_aAbdelrahman Mohamed Khalaf Allah , _eSupervisor |
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700 | 0 |
_aEmam Abdelmobdy Abdelrahim , _eSupervisor |
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700 | 0 |
_aNagwa Mohamed Elshimi , _eSupervisor |
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856 | _uhttp://172.23.153.220/th.pdf | ||
905 |
_aNazla _eRevisor |
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905 |
_aSamia _eCataloger |
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942 |
_2ddc _cTH |
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999 |
_c60316 _d60316 |