الفهرس 
Material and MethodsOnly 14 pages are availabe for public view
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Abstract
Rice medium, also known as rice bran medium, is commonly used for the cultivation of various microorganisms, particularly filamentous fungi like Aspergillus species and Actinomycetes. It is also employed for the production of bioactive compounds, such as enzymes, antibiotics, and secondary metabolites. The composition of rice medium for microbial growth and bioactive compound production can vary slightly depending on the specific needs of the microorganism or the type of compound being produced. Here’s a general composition for rice medium:
Composition of Rice Medium:
Rice Bran: Rice bran is the primary component of rice medium. It serves as the main carbon and energy source for microbial growth. Rice bran contains carbohydrates, lipids, and proteins, which can support the growth of various microorganisms.
Minerals: Various minerals and salts are added to provide essential nutrients for microbial growth. These may include potassium dihydrogen phosphate (KH2PO4), magnesium sulfate (MgSO4), calcium carbonate (CaCO3), and trace elements like iron (Fe), zinc (Zn), copper (Cu), and manganese (Mn).
pH Adjustment: The pH of the medium is typically adjusted to a suitable range (around pH 7) using a buffer such as calcium carbonate (CaCO3) or potassium phosphate (KH2PO4/K2HPO4) to maintain optimal growth conditions.
Water: Distilled or deionized water is used to prepare the medium, ensuring that it is free from contaminants and minerals that might interfere with microbial growth.
Inoculum: The medium is inoculated with the desired microorganism, usually through the addition of a spore or mycelial suspension.
References for Microbial Growth:
The use of rice medium for microbial growth is well-documented in scientific literature. You can refer to specific research papers or textbooks on microbiology and biotechnology for detailed protocols and references.
Atlas, R. M. (2010). Handbook of Microbiological Media (4th ed.). CRC Press.
Prescott, L. M., Harley, J. P., & Klein, D. A. (2004). Microbiology (6th ed.). McGraw-Hill.
Pelczar, M. J., Chan, E. C. S., & Krieg, N. R. (1993). Microbiology: Concepts and Applications. McGraw-Hill.