Publications

Published Over 54 Research Papers in the Field of Dairy Microbiology, Food Microbiology Pathogenic Bacteria, Lactic and Bacteria, Probiotics and Propionic Acid Bacteria in Food and Dairy Products.

List Of Publications

1. Effect of Pre-processing Temperature on Evaluation of Bacterial Flora of Raw Milk.
   A.E. Shehata, S.A. El-Nockrashy, Y.A. El-Samragy and B.A. Mahmoud.
   Annals Agric. Sci., Fac., Ain Shams Univ., Cairo, Egypt 31, (1), 477-485, (1986)
2. Effect of Sanitizing System on Some Pathogenic and Sporeforming Bacteria in Raw Milk.
   Y.A. El-Samragy, Khayria Naguib, M.N.I. Magdoub and B.A. Mahmoud.
   Egypt. J. Microbiol., Special Issue; 17-27, (1986).
3. Efficiency of Iodophor and Sodium Hypochlorite Used in Dairy Farm on Total and Lactic Acid Bacteria Counts in Raw Milk.
   M.N. Magdoub, Khayria Naguib, Y.A. El-Samragy, and B.A. Mahmoud.
   Egypt. J. Food Sci., 15, No. 1:27-35 (1987).
4. Characteristics of Dairy Psychrotrophic Bacterial Proteases.
   Shoeir A. El-Nockhrashy, B.M. Effat, A. El-Samragy and M.N.I. Magdoub.
   3rd Conf. Agric. Dev. Res., Fac. Agric., Ain Shams Univ., Cairo, Egypt, Dec. 22-24, 1990, Annals Agric. Sci., Special Issue, 91-103, (1990).
5. Production of Proteases by Some Dairy Psychrotrophic Bacteria.
   Azza A. Ismail, B.M. Effat, Y.A. El-Samragy and M.N.I. Magdoub.
   Annals Agric. Sci., Ain Shams Univ., Cairo, 36(2), 525-524, (1991).
6. Utilization of Psychrotrophic Bacterial Protease for Accelerating Flavor Development in Ras Cheese Slurry.
   M.N.I. Magdoub, Y.A. El-Samragy, S.A. El-Nockrashy and B.A. Effat.
   Cultured Dairy Products Journal 26:24-28 (1991).
7. Proteolytic Psychrotrophic Bacteria in Some Dairy Products in Egypt.
   Y.A. El-Samragy, S.A. El-Nockrashy, B.A. Effat and M.N.I. Magdoub.
   Die Nahrung 36(2), 18-189, (1992).
8. Utilization of Some Dairy and Food Industry Wastes in the Production of Lactic Acid.
   H.A. Murad, S. Abd El-Ghani, B.A. Effat and N.F. Tawfik.
   Egyptian J. Dairy Sci., 20:83-90, (1992).
9. Biogenic Amine Contents of Ras Cheese and Incedence of Their Bacterial Producers.
   N.F. Tawfik, A.R. Shalaby and B.A. Effat
   Egyptian J. Dairy Sci. 20:219-225 (1992).
10. Comparative Study on Selective Media Used in Recovering Enteropathogenic Escherichia coli.
    Soheir El-Nockrashy, A.G. Heagzi, N.F. Tawfik, Laila Ali, M.A. El-Shenawy, B.A. Effat and R.K. El-Dairouty.
    J. Egypt. Vet. Med. Ass. 52(4):483-492 (1992).
11. Evaluation of Different Selective Media for Recovery of Campylobacter jejuni.
    Soheir El-Nockrashy, Laila Ali, A.G. Hegazi, N.F. Tawfik, R.K. El-Dairouty, M.A. El-Shenawy and B.A. Effat.
    Vet. Med. J., Giza 40(20):25-30 (1992).
12. On the Use of Some Psychrotrophic Bacterial Proteases in "Ras" Cheese Making.
    B.A. Effat, M.A. Degheidi and N.F. Tawfik.
    Proc. 5th Egyptian Conf. Dairy Sci. and Tech. 176-187 (1992).
13. Development of Some Biogenic Amines During Ras Cheese Ripening with Special Reference to Different Starters.
    M.A. Degheidi, B.A. Effat and A.R. Shalaby.
    Proc. 5th Egyptian Conference for Dairy Science and Technology: 205-217 (1992).
14. Antimicrobial Effect of Lactobacillus acidophilus on Listeria monocytogenes during Fermentation and Refrigeration.
    N.F. Tawfik, O.M. Sharaf, B.A. Effat and R.K. El-Dairouty.
    J. Agric. Sci. Monsoura Univ. 17(9):2964-2971, (1992).
15. Lactic Cultures Role in Ras Cheese Ripening.
    Narges H. El-Sayed, B.A. Effat and M.N.I. Magdoub.
    Egyptian J. Dairy Sci.:21:163-170 (1993).
16. Microbiological Quality of Zabadi with Special Reference to the Lactic Acid Bacterial.
    M.N.I. Magdoub, Narges H. El-Sayed and B.A. Effat.
    Egyptian J. of Food Sci., 21(1):49-56 (1993).
17. Yoghurt Like Fermented Milk Made with Single-Strain Starter Cultures.
    N.F. Tawfik, B.A. Effat, S. Abd El-Ghani and H.A. Murad.
    Egypt. J. Food Sci. : 21(1) : 67-72 (1993).
18. Behavior of Lactobacillus acidophilus in Fermented Milks During Refrigerated Storage.
    B.A. Effat
    Egypt. J. Appl. Sci., 8(5) : 688-704 (1993).
19. Fortification of Yoghurt with Cell Free Filtrate of Propionic Acid Bacterial.
    B.A. Effat, Narges, H. El-Sayed, Kawther El-Shafei and N.F. Tawfik.
    Egypt. J. Appl. Sci., 8(8) : 425-440 (1993).
20. Quality of Ras Cheese Slurry as Affected by Adding Propionibacterial Cell Free Filtrate.
    Narges H. El-Sayed, B.A. Effat, Kawther El-Shafei and N.F. Tawfik.
    J. Agric. Sci. Mansoura Univ., 19(2):751-756 (1994).
21. Application of "Heat Shock" Treatment for Overcoming the Problem of Yeast Contamination in Yoghurt.
    H.A. Murad, B.A. Effat, E. El-Tanboly, N.F. Tawfik and Narges H. El-Sayed.
    Egypt. J. Appl. Sci., 9(5):1-15 (1994).
22. Biogenic Amine Contents in Different Cheeses in Relation to Their Chemical Evaluation and Bacteriological Quality.
    A.R. Shalaby, B.A. Effat and M. Zin El-Din.
    Egypt. J. of Nutrition, 12(4):74-91 (1997).
23. Survival of Enteropathogenic E. coli in Domiati Cheese.
    G.A. Ibrahim, B.A. Effat and O.M. Sharaf
    Menofiya J. Agric. Res., 23(2):285-295 (1998).
24. Incidence and Viability of Campylobacter jejuni in Domiati Cheese.
    El-Nockrashy, Soheir, R.K. El-Dairouty and B.A. Effat
    Arab Univ. J. Agric. Sci., Ain Shams Univ., Cairo, 6(2):471-480 (1998).
25. Growth of Enterotoxigenic Staphylococcus aureus Types A and Its Potential Toxin Production in Salted Cheese Whey.
    O.M. Sharaf, R.K. El-Dairouty and B.A. Effat
    Polish J. of Food and Nutrition Sciences, 49(4):69-76 (1999).
26. Effect of Using Lactobacillus reuteri with other Probiotic Cultures on Quality of Domiati Cheese.
    B.A. Effat
    Minufiya J. Agric. Res. 25(2):445-460 (2000).
27. Occurrence of Aeromonas hydrophila and its Growth in Egyptian Soft Cheese.
    B.A. Effat, I.M. Hosny and Nadia M. Dabiza
    Egyptian J. Dairy Sci. 28(1):1-12 (2000).
28. Microstructure and Chemical Changes of Pickled Soft Cheese.
    Nadia, M. Dabiza; Fatama, A. Fathi and B.A. Effat
    Minufiya J. Agric. Res. 25(3):649-663 (2000).
29. Evaluation of Antibacterial Activity of Some Probiotic Bacteria Against Escherichia coli 0157:H7 and Aeromonas hydrophila.
    Zeinab I. Sadek, I.M. Hosny and B.A. Effat
    Arab Univ. J. Agric. Sci., Ain Shams Univ., Cairo, 8(3):663-676 (2000).
30. Antifungal Substances from Some Lactic Acid Bacteria and Propionibacteria for Use as Food Preservatives.
    B.A. Effat
    J. Agric. Sci. Mansoura Univ. 25(10):691-6304 (2000).
31. Effect of Using Different Starters on Quality of Kareish Cheese.
    B.A. Effat; M.M.E. Salem and Kawther El-Shafei
    Egyptian J. Food Sci. 29 (1):95-108 (2001).
32. Influence of Temperature, Sodium Chloride, pH and Some Food Preservatives on the Growth of Escherichia coli 0157:H7.
    B.A. Effat, G.A. Ibrahim and Nadia M. Dabiza
    Egyptian J. Food Sci. 29 (2):197-213 (2001).
33. Bacteria Associated with Foodborne Diseases and their Control in Food Processing. A Review.
    G.A. Ibrahim, O.M. Sharaf, N.F. Tawfik and B.A. Effat
    Proc. 6th Arabic Conference of Home Economics, 29-43 (2001)
34. Comparison of Antifungal Activity of Metabolites from Lactobacillus rhamnosus, Pediococcus acidilactici and Propionibacterium thoenii.
    B.A. Effat, G.A. Ibrahim, N.F. Tawfik and O.M. Sharaf
    Egyptian J. Dairy Sci. 29(2):251-262 (2001).
35. Incorporation and Viability of Some Probiotic Bacteria in Functional Dairy Foods. II. Hard Cheese.
    Nayra Sh. Mehanna, B.A. Effat, Nadia M.A. Dabiza, N.F. Tawfik and O.M. Sharaf
    Minufiya J. Agric. Res. 27 (2):225-241 (2002).
36. Manufacture of a Functional Fermented Beverage Containing Cereal Extracts.
    Zeinab I. Sadek, Kawther El-Shafei, B.A. Effat and O.M. Sharaf
    Annals Agric. Sci., Ain Shams Univ., Cairo, 48(2):677-690 (2003)
37. Preserving Domiati Cheese Using Metabolites of Propinobacterium thoenii P-127.
    N.F. Tawfik, O.M. Sharaf, B.A. Effat and Nayra Sh. Mahanna
    Polish J. of Food and Nutrition Sciences, 13/54(3):269-272 (2004).
38. The Use of Lactobacillus gasseri, Lactobacillus johnsonii and Genetically Modified Lactobacillus delbreuckii ssp. bulgaricus in Functional Yoghurt-like Products.
    Azzat B. Abd El-Khalek, B.A. Effat and O.M. Sharaf
    Egyptian J. Dairy Sci. 32(2):245-259 (2004).
39. Improving Soft Cheese Quality Using Growth Stimulator for Bifidobacterium bifidum
    W.I. El-Kholy, B.A. Effat, N.F. Tawfik and O.M. Sharaf
    Deutsche Lebensmittel-Rundschau 102 (3), 101-109 (2006).
40. The Antibacterial Effect of Probiotic Bacteria Isolated from Some Dairy Products.
    Nadia, M.A. Dabiza, B.A. Effat and O.M. Sharaf
    Deutsche Lebensmittel-Rundschau 102 (3):114-121 (2006).
41. The use of synbiotics for production of functional low fat Labneh.
    Salem, M.M.E., Mona A.M. Abd El-Gawad, Fatma A.M. Hassan, B.A. Effat
    Pol. J. Food Nutr. Sci. 16/57(2):151-159 (2007)
42. Probiotic properties of some Lactobacillus strains.
    Mabrouk, A.M., B.A. Effat, Zainab I. Sadek, Gehan A.M. Hussein and M.N.I. Magdoub. International Journal of Probiotics and Prebiotics 2(2):61-69 (2007).
43. A mixed culture of Propionibacterium thoenii P-127, Lactobacillus rhamnosus and Lactobacillus plantarum as protective cultures in Kareish cheese.
    Kawther El-Shafei, Mona A.M. Abd El-Gawad, Nadia Dabiza, O.M. Sharaf and B.A. Effat
    Pol. J. Food Nutr. Sci. 58(4) 433-441 (2008).
44. Screening of some potentially probiotic lactic acid bacteria for their ability to synethesis conjugated linoleic acid
    M.H. Abd El-Salam, Kawther El-Shafei, O.M. Sharaf, B.A. Effat, Fiza M. Asem and M. El-Asar
    International J. of Dairy Technology, vol. 63(1): 62-69 (2010)
45. In virto assessment of gastrointestinal viability of potentially probiotic lactobacilli.
    Kawther El-Shafei; N.F. Tawfik, Nadia M.A. Dabiza, O.M. Sharaf and B.A. Effat
    Journal of American Science 6(11):357-367 (2010).
46. Milk products and processes-Selection of appropriate prebiotic for symbiotic frozen yoghurt.
    Zeinab Sadek, Gehan A.M Hussein, A.M. Mabrouk ,B.A. Effat .and M.N. Magdoub .
    Indian Journal of Dairy Science: 63 (6):436- 446 (2011).
47. Production of novel functional white soft cheese.
    Baher A. M. Effat, Ahmed M.M. Mabrouk, Zainab I. Sadek, Gehan A.M. Hussein, and Mohamed N. I. Magdoub.
    Journal of Microbiology, Biotechnology and Food Science: 1 (5):1259-1278 (2012).
48. Isolation, identification and selection of lactic acid bacteria cultures for production of food aroma and flavour compounds.
    Osama M. Sharaf, Kawther El-Shafie, Gamal A. Ibrahim, Baher A. Effat,
    Magda A. Abd El-Mageed, Amro F. Mansour, Mohamed S. Shahein, Hamdy A. Shaaban , Khaled F. El- Massrey, Fouad M. Osman and Ahmed H. El-Ghorab .
    Australian Journal of Basic and Applied Sciences: 6 (6):183-203 (2012).
49. Evaluation of antibacterial activity of aqueous extracts of thyme and black pepper against pathogens and probiotics.
    Nayra Sh. Mehanna , Baher A.M. Effat ,Nabil F. Tawfik , Zeinab I. Sadek ,Nadia M.A. Dabiza, Kawther El-Shafie and Azzat  B. Abd El-Khalek.
    Journal of Applied Sciences Research: 9 (2):1181-1185 (2013).
50. Assessment of potential probiotic bacteria isolated from breast milk.   
    Nayra S.H. Mehanna, Nabil  F. Tawfik , Moussa M.E. Salem , Baher A.M.Effat   and D.A. Gad El-Rab.
    Middle –East Journal of Scientific Research 14 (3):354-360 (2013).
51. Production of cheese flavor and antifungal substances by Lactobacillus plantarum    and Lactococcus lactis subs. diacetilactis and their application in bakery    products. 
    Osama M. Sharaf, Mohamed S. Shahein, Hamdy A. Shaaban , Gamal A. Ibrahim,Ahmed M.S. Hussein , Magda A. Abd El-Mageed, Kawther El-Shafie,    Baher A.M.Effat, Amro F. Mansour, Ahmed H. El-Ghorab, Khaled F. El- Massrey and  Fouad M. Osman.
    World Applied Sciences Journal 24 (7): 900- 907 (2013)
52. Antibacterial activity of some lactic acid bacteria isolated from Egyptian dairy   products.     
    Ahmed M.M.Mabrouk, Baher A.M.Effat, Zainab I.M.Sadek, N.F.Tawfik ,Z.M.R.Hassan and M.N.I.Magdoub .  
    International Journal of Chem. Tech. Research 6 (2)1139-1150 (2014).
53. Prevalence of some pathogenic microorganisms in factories Domiati, Feta cheeses and UHT milk in relation to  public health sold under market conditions in Cairo.   
    Osama.M.Sharaf, Gamal, A. Ibrahim, Nabil F. Tawfek, Baher.A.M.         
    Effat,Kawther    El Shafei, Hala M. F. El-Din and Moussa M.A. Salem
    International Journal of Chem. Tech. Research 6 (5)2807-2814 (2014).
54. Mastitis and antibiotic residues in Egyptian raw milk with lactic acid bacteria population in dairy products retailed in Cairo and Giza area.   
    Nabil F. Tawfek, Baher.A.M. Effat , Kawther El-Shafie, Raouf K. El Dairouty ,    
    Osama.M.Sharaf, Magdy A. El Sayed, Moussa M.A. Salem, , Gamal  A. Ibrahim, and Nayra Sh. Mehanna
    Global Veterinaria  13 (5) : 696-703 (2014).