Dr. Rokayya Ahmed Sami Moustafa Eldib
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Dr. Rokayya Ahmed Sami Moustafa Eldib

Associated Professor
Department of Food Science and Nutrition, College of Science, Taif University, Kingdom of Saudi Arabia


Highest Degree
Ph.D. in Food Engineering from Northeast Agricultural University, China

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Area of Interest:

Food Science and Technology
100%
Nutrition
62%
Food Analysis
90%
Physico Chemical Analysis
75%
Food Crops
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
82
Abstracts
0

Selected Publications

  1. Nigam, S., R. Singh, S.K. Bhardwaj, R. Sami, M.P. Nikolova, M. Chavali and S. Sinha, 2022. Perspective on the therapeutic applications of algal polysaccharides. J. Polym. Environ., 30: 785-809.
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  2. Abdelazez, A., H. Abdelmotaal, S.E. Evivie, M. Bikheet, R. Sami, H. Mohamed and X. Meng, 2022. Verification of Lactobacillus brevis tolerance to simulated gastric juice and the potential effects of postbiotic gamma-aminobutyric acid in streptozotocin-induced diabetic mice. Food Sci. Hum. Wellness, 11: 165-176.
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  3. Sami, R., E. Khojah, M. Helal, A. Elhakem and N. Benajiba et al., 2021. Effects of coating by chitosan, TiO2 nanoparticles, and sodium tripolyphosphate as crosslinker on stored cucumber fruits. J. Biobased Mater. Bioenergy, 15: 598-605.
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  4. Sami, R., E. Khojah, M. Alharbi, A.A.M. Al-Mushhin and M.S. Alkaltham et al., 2021. Functional effects of pomegranate peel extracts on milk: Antibacterial measurements, antioxidant activities, and photochemical characterizations. J. Biobased Mater. Bioenergy, 15: 571-579.
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  5. Mohamed, M.H.M., R. Sami, A.A.M. Al-Mushhin, M.M.E. Ali and H.S. El-Desouky et al., 2021. Impacts of effective microorganisms, compost tea, fulvic acid, yeast extract, and foliar spray with seaweed extract on sweet pepper plants under greenhouse conditions. Plants, Vol. 10. 10.3390/plants10091927.
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  6. Mohamed, M.H.M., M. Ali, R.S.M. Eid, H.S. El-Desouky and S.A. Petropoulos, 2021. Phosphorus and biofertilizer application effects on growth parameters, yield and chemical constituents of broccoli. Agronomy, Vol. 11. 10.3390/agronomy11112210.
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  7. Koko, M.Y.F., R. Sami, B. Muhoza, E. Khojah and A.M.A. Mansour, 2021. Promising pathway of thermostable mannitol dehydrogenase (MTDH) from Caldicellulosiruptor hydrothermalis 108 for d-mannitol synthesis. Separations, Vol. 8. 10.3390/separations8060076.
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  8. Khojah, E., R. Sami, M. Helal, A. Elhakem, N. Benajiba, M.S. Alkaltham and A.M. Salamatullah, 2021. Postharvest physicochemical properties and fungal populations of treated cucumber with sodium tripolyphosphate/titanium dioxide nanoparticles during storage. Coatings, Vol. 11. 10.3390/coatings11060613.
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  9. Khojah, E., R. Sami, M. Helal, A. Elhakem, N. Benajiba, M. Alharbi and M.S. Alkaltham, 2021. Effect of coatings using titanium dioxide nanoparticles and chitosan films on oxidation during storage on white button mushroom. Crystals, Vol. 11. 10.3390/cryst11060603.
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  10. Helal, M., R. Sami, E. Khojah, A. Elhakem, N. Benajiba, A.A.M. Al-Mushhin and N. Fouda, 2021. Evaluating the coating process of titanium dioxide nanoparticles and sodium tripolyphosphate on cucumbers under chilling condition to extend the shelf-life. Sci. Rep., Vol. 11. 10.1038/s41598-021-99023-3.
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  11. El-Serafy, R.S., A.N.A. El-Sheshtawy, U.A. Abd El-Razek, A.F. Abd El-Hakim and M.M.A. Hasham et al., 2021. Growth, yield, quality, and phytochemical behavior of three cultivars of quinoa in response to moringa and Azolla extracts under organic farming conditions. Agronomy, Vol. 11. 10.3390/agronomy11112186.
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  12. Atteya, A.K.G., R. Sami, A.A.M. Al-Mushhin, K.A. Ismail and E.A.E. Genaidy, 2021. Response of seeds, oil yield and fatty acids percentage of Jojoba shrub strain EAI to mycorrhizal fungi and moringa leaves extract. Horticulture, Vol. 7. 10.3390/horticulturae7100395.
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  13. Wang, H., Y. Sun, Y. Li, X. Tong and J.M. Regenstein et al., 2019. Effect of the condition of spray-drying on the properties of the polypeptide-rich powders from enzyme-assisted aqueous extraction processing. Drying Technol., 37: 2105-2115.
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  14. Sami, R., Y.M.G. Alshehry, Y. Ma, A. Abdelazez and N. Benajiba, 2019. Evaluation of some specific components existences in Okra (Abelmoschus esculentus L. (Moench)) cultivated from different areas. J. Food Nutr. Res., 7: 155-161.
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  15. Sami, R. and E. Khojah, 2019. Evaluation of physical properties of okra (Abelmoschus esculentus L.) pods with different structural characteristics. Res. Crops, 20: 73-78.
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  16. Ma, W., S. Rokayya, L. Xu, X. Sui, L. Jiang and Y. Li, 2018. Physical-chemical properties of edible film made from soybean residue and citric acid. J. Chem., Vol. 2018. 10.1155/2018/4026831.
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  17. Ma, W., B. Qi, R. Sami, L. Jiang, Y. Li and H. Wang, 2018. Conformational and functional properties of soybean proteins produced by extrusion-hydrolysis approach. Int. J. Anal. Chem., Vol. 2018. 10.1155/2018/9182508.
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  18. Benajiba, N. and R.S. Eldib, 2018. Exploring attitudes related to sweetened soft drinks consumption among adults in Saudi Arabia. Nutr. Food Sci., 48: 433-441.
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  19. Abdelazez, A., H. Abdelmotaal, Z.T. Zhu, J. Fang-Fang and R. Sami et al., 2018. Potential benefits of Lactobacillus plantarum as probiotic and its advantages in human health and industrial applications. Adv. Environ. Biol., 12: 16-27.
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  20. Abdelazez, A., H. Abdelmotaal, S.E. Evivie, S. Melak and F.F. Jia et al., 2018. Screening potential probiotic characteristics of Lactobacillus brevis strains in vitro and intervention effect on type I diabetes in vivo. BioMed Res. Int., Vol. 2018. 10.1155/2018/7356173.
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  21. Sami, R.A., E.Y. Khojah, E.A. Elgarni and N. Benajiba, 2017. Evaluation of nutritional status for some sensitive sets and its relationship to natural antioxidants. J. King Abdulaziz Univ.-Med. Sci., 24: 1-9.
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  22. Rokayya, S., 2017. Some aspects of physical-mechanical properties of apple (Malus domestica) cultivars for high techniques in manufacturing. J. Northeast Agric. Univ., 24: 31-39.
  23. Rokayya, S., 2017. Antioxidant properties of peptides from soybean meal protein hydrolysates evaluated by electron spin resonance spectrometry. Adv. Environ. Biol., 11: 12-18.
  24. Rokayya, S. and E. Khojah, 2017. The extrusion conditions mechanism effect on the nutritional value of soybean meal protein. Adv. Environ. Biol., 11: 42-51.
  25. Abdelazez, A., Z. Muhammad, Q.X. Zhang, Z.T. Zhu, H. Abdelmotaal, R. Sami and X.C. Meng, 2017. Production of a functional frozen yogurt fortified with Bifidobacterium spp. BioMed Res. Int., Vol. 2017. 10.1155/2017/6438528.
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  26. Sami, R., E. Khojah, E. Elgarni and H. Aljumayi, 2016. Morphological-mechanical proprieties of five different tomato varieties in kingdom of Saudi Arabia for high techniques in harvesting, handling and manufacturing. Tikrit J. Agric. Sci., 16: 1-11.
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  27. Rokayya, S. and E. Khojah, 2016. Physical-mechanical estimation of pepper (Capsicum annuum L.) fruit varieties. J. Northeast Agric. Univ., 23: 61-69.
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  28. Khojah, E. and S. Rokayya, 2016. Peanut and sesame oils fatty acids, oxidative stability estimation with the sensorial evaluation of mayonnaise. Assiut J. Agric. Sci., 47: 460-472.
  29. Feng, H.X., R. Sam, L.Z. Jiang, Y. Li and W.M. Cao, 2016. High-performance size-exclusion chromatography studies on the formation and distribution of polar compounds in camellia seed oil during heating. J. Zhejiang Univ.-Sci. B, 17: 882-891.
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  30. Sami, R., Y. Li, B. Qi, S. Wang and Q. Zhang et al., 2014. HPLC analysis of water-soluble vitamins (B2, B3, B6, B12 and C) and fat-soluble vitamins (E, K, D, A and β-carotene) of Okra (Abelmoschus esculentus). J. Chem. 10.1155/2014/831357.
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  31. Li, Y., W.J. Ma, B.K. Qi, S. Rokayya amd D. Li et al., 2014. Blending of soybean oil with selected vegetable oils: Impact on oxidative stability and radical scavenging activity. Asian Pac. J. Cancer Prevent., 15: 2583-2589.
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  32. Li, Y., D. Li, B. Qi, S. Rokayya and W. Ma et al., 2014. Heating quality and stability of aqueous enzymatic extraction of fatty acid-balanced oil in comparison with other blended oils. J. Chem., Vol. 2014. 10.1155/2014/530787.
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  33. Sami, R., J. Lianzhou, L. Yang, Y. Ma and J. Jing, 2013. Evaluation of fatty acid and amino acid compositions in okra (Abelmoschus esculentus) grown in different geographical locations. BioMed Res. Int., Vol. 2013. 10.1155/2013/574283.
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  34. Rokayya, S., C.J. Li, Y. Zhao, Y. Li and C.H. Sun, 2013. Cabbage (Brassica oleracea L. var. capitata) phytochemicals with antioxidant and anti-inflammatory potential. Asian Pac. J. Cancer Prevent., 14: 6657-6662.
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