Malaysian Applied Biology Journal

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Malays. Appl. Biol. (2019) 48(1): 7–14



(MC) PRODUCTION BY Pseudomonas aeruginosa


School of Fundamental Science, Universiti Malaysia Terengganu,

21030, Kuala Nerus, Terengganu, Malaysia

*E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Accepted 13 January 2019, Published online 20 March 2019



Microbial cellulose (MC) is an alternative source of cellulose that can be produced by different types of microorganisms such as Pseudomonas, Komagataeibacter, Sarcina and Azotobacter and they are commonly used in biomedical applications. However, the main issue in MC production is low yield. To enhance MC production, different combinations of the dualsaccharides, such as 25 g/L glucose + 25 g/L galactose, 25 g/L glucose + 25 g/L fructose, 25 g/L glucose + 25 g/L maltose and 25 g/L glucose + 25 g/L lactose were added into culture medium. The fermentation was carried out at 30oC for 5 days in incubator shaker. The combination of glucose and galactose (1:1) gave a higher concentration of MC with 1.23 g/L ± 0.15. However, it was lower than glucose (control) (1.8 g/L ± 0.63). The glucose + galactose concentrations varied between 10 g/L, 30 g/L, 50 g/L and 70 g/L for the MC production. Therefore, the concentration of 50 g/L is the best for the the MC production. Increasing the concentration of glucose + galactose beyond 50 g/L decreased MC production.

Key words: Microbial cellulose, fermentation, Pseudomonas aeruginosa, dual-saccharide


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