TY - BOOK AU - Mohammad Aref Marwan Kyyaly AU - Elshahat Ramadan , AU - Hamdy Mahmoud Hassanein , AU - Mervat Elsayed , TI - Effect of culturing methods on biochemical characters of baker's yeast / PY - 2009/// CY - Cairo : PB - Mohammad Aref Marwan Kyyaly , KW - Baker's yeast quality KW - Continuous cultivation KW - Stress N1 - Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Biochemistry; Issued also as CD N2 - Seven yeast preparations were isolated from different commercially available baker's yeast products. These yeasts belonged to S. cerevisiae. Yeast cells were prepared and treated with malic acid, succinic acid, citric acid and glycerol at pH values of 4.5 and 7.5. The pretreatment of yeast cells with organic acids and glycerol improved the leavening ability of yeast cells UR - http://172.23.153.220/th.pdf ER -