Biobased Materials from Microbial Biomass and Its Derivatives

Area of Science:

• Biomaterials Science
• Polymer Science
• Microbiology

Background:

• Growing public concern over plastic waste drives demand for sustainable alternatives.
• Microbial biomass presents a renewable, non-deforestation-dependent source for biopolymer production.
• Biopolymers derived from microbial sources offer unique properties for material innovation.

Purpose of the Study:

• To review the potential of microbial biomass and its derivatives as sources for novel biopolymer-based materials.
• To highlight the properties and applications of biopolymers from yeast, fungi, kefir, and kombucha.
• To assess the performance of microbial biomass in developing advanced functional materials.

Main Methods:

• Literature review of studies on microbial biomass utilization for material development.
• Analysis of biopolymer properties derived from various microbial sources (yeast, fungi, kefir, kombucha).
• Evaluation of material performance based on conformational structure and functional properties.

Main Results:

• Yeast and fungal biomass are abundant, low-cost sources for biodegradable materials.
• Kefir grains yield biopolymers (kefiran, dextran) forming films with excellent optical and mechanical properties.
• Microbial cellulose exhibits superior properties compared to plant cellulose; bacterial cellulose is a byproduct of kombucha fermentation.

Conclusions:

• Microbial biomass is a versatile and promising feedstock for developing high-performance, sustainable biobased materials.
• The unique properties of microbial biopolymers enable diverse applications, addressing plastic waste concerns.
• Further research into microbial biopolymers can lead to innovative solutions in materials science.