Microbial pigments in the food industry-challenges and the way forward

Sen, Tanuka, Barrow, Colin J. and Deshmukh, Sunil Kumar 2019, Microbial pigments in the food industry-challenges and the way forward, Frontiers in nutrition, vol. 6, doi: 10.3389/fnut.2019.00007.

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Title Microbial pigments in the food industry-challenges and the way forward
Author(s) Sen, Tanuka
Barrow, Colin J.ORCID iD for Barrow, Colin J. orcid.org/0000-0002-2153-7267
Deshmukh, Sunil Kumar
Journal name Frontiers in nutrition
Volume number 6
Article ID 7
Total pages 14
Publisher Frontiers Media
Place of publication Lausanne, Switzerland
Publication date 2019-03
ISSN 2296-861X
Keyword(s) Monascus pigments
food color
metabolic engineering
microbial pigments
natural colorants
Summary Developing new colors for the food industry is challenging, as colorants need to be compatible with a food flavors, safety, and nutritional value, and which ultimately have a minimal impact on the price of the product. In addition, food colorants should preferably be natural rather than synthetic compounds. Micro-organisms already produce industrially useful natural colorants such as carotenoids and anthocyanins. Microbial food colorants can be produced at scale at relatively low costs. This review highlights the significance of color in the food industry, why there is a need to shift to natural food colors compared to synthetic ones and how using microbial pigments as food colorants, instead of colors from other natural sources, is a preferable option. We also summarize the microbial derived food colorants currently used and discuss their classification based on their chemical structure. Finally, we discuss the challenges faced by the use and development of food grade microbial pigments and how to deal with these challenges, using advanced techniques including metabolic engineering and nanotechnology.
Language eng
DOI 10.3389/fnut.2019.00007
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, Sen, Barrow and Deshmukh
Persistent URL http://hdl.handle.net/10536/DRO/DU:30120748

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