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Related Experiment Video

Updated: May 29, 2026

Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

Published on: June 6, 2025

Monascus pigment production by solid-state fermentation with corn cob substrate.

Palanivel Velmurugan¹, Hyun Hur, Vellingiri Balachandar

¹Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk 570-752, South Korea.

Journal of Bioscience and Bioengineering

|September 13, 2011

Summary

This summary is machine-generated.

Corn cob powder effectively produces natural pigments using Monascus purpureus in solid-state fermentation. This sustainable method offers a viable alternative to synthetic dyes, yielding stable pigments for industrial use.

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Last Updated: May 29, 2026

Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

Published on: June 6, 2025

Area of Science:

Biotechnology
Food Science
Microbiology

Background:

Natural pigments offer safer alternatives to synthetic dyes.
Agricultural waste valorization is crucial for sustainable industrial practices.

Purpose of the Study:

To evaluate corn cob powder as a substrate for Monascus purpureus pigment production.
To optimize solid-state fermentation parameters for maximum pigment yield.

Main Methods:

Solid-state fermentation of Monascus purpureus KACC 42430 using corn cob powder.
Optimization of initial moisture content, temperature, spore inoculation, and incubation time.

Main Results:

Achieved a pigment yield of 25.42 OD Units/gram of dry substrate under optimized conditions.
Demonstrated superior pigment yield compared to other agricultural waste substrates.
Confirmed pigment stability across acidic pH, high temperatures, and salt solutions.

Conclusions:

Corn cob powder is a viable and effective substrate for natural pigment production by Monascus purpureus.
Optimized solid-state fermentation parameters enhance pigment yield.
The produced natural pigments exhibit desirable stability for industrial applications.