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- Title
Statistical Optimization and Downstream Processing of C‐Phycocyanin from Phormidium valderianum.
- Authors
Nair, Maya Suresh; Rajarathinam, Ravikumar; Velmurugan, Sivasubramanian; Sam, Kevin Joseph; Arumugam, Loganathan
- Abstract
C‐Phycocyanin (C‐PC), a blue pigment from cyanobacteria, is a promising replacement for harmful synthetic food colors. The cyanobacterium Phormidiumvalderianum is suggested as an alternative source for C‐PC to the frequently utilized Spirulina. The importance of harvest time is emphasized as a key variable in the optimization process. To increase the C‐PC concentration, the effects and optimal values of sonication time, harvesting time, and pH levels were evaluated using response surface methodology. C‐PC extracted by ultrasonication was adsorbed by activated charcoal and polyvinylidene fluoride (PVDF) membrane filtration to achieve food‐grade purity. The product now has a shelf life of more than nine months and better thermal stability of 75 ± 2 °C.
- Subjects
RESPONSE surfaces (Statistics); PROCESS optimization; POLYVINYLIDENE fluoride; HARVESTING time; MEMBRANE separation; SYNECHOCOCCUS
- Publication
Chemical Engineering & Technology, 2023, Vol 46, Issue 2, p279
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.202200347