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The chitosan was extracted by using a two-step biological treatment process: demineralization by lactobacillus plantarum and deproteinization by Pseudomonas aeruginosa. Chitosan exhibited a strong antibacterial effect on the gram-positive bacteria than gram-negative since the inhibition rates were 47 and 50% against Staphylococcus aureus and Bacillus cereus, respectively, also the growth inhibition effect by chitosan against fungi was not strong as in the case of bacteria.

Produktbeschreibung
The chitosan was extracted by using a two-step biological treatment process: demineralization by lactobacillus plantarum and deproteinization by Pseudomonas aeruginosa. Chitosan exhibited a strong antibacterial effect on the gram-positive bacteria than gram-negative since the inhibition rates were 47 and 50% against Staphylococcus aureus and Bacillus cereus, respectively, also the growth inhibition effect by chitosan against fungi was not strong as in the case of bacteria.
Autorenporträt
La dott.ssa Sahira Nsayef Muslim ha conseguito il dottorato di ricerca in Microbiologia-Biotecnologia Titolo: Studi biochimici e genetici sull'emolisina prodotta da Aeromonas hydrophila isolata da pazienti diarroici e da acque superficiali "Coll. Sci. - Università Mustansiryia - 2005.