Phycocyanin could be a potential substitute for synthetic food coloring due to its health-related properties. However, this protein is easily degraded by light, temperature or pH. Double emulsions have proven good systems encapsulate and protect hydrophilic compounds such as phycocyanin. Moreover, the addition of polysaccharides outer aqueous phase (W2) these seems improve their stability, alth...

The aim of the present work is to study the effect of incorporation of biomass and phycocyanin extracts of Spirulina platensis growing in define media at large scales (300 liters, limited in nitrogen and high salinity) to traditional butter biscuits in order to increase general mental health as functional products, FPs). The FP were manufactured at a pilot scale formulated by adding algal bioma...

Four indigenous cyanobacteria isolates identified as QUCCCM 34: Chroococcidiopsis sp., 54: Pleurocapsa 77: Euhalothece and 129: Cyanobacterium sp. were investigated during this study. Temperatures salinities observed in outdoor reproduced indoor, using small-scale photobioreactors, culture conditions optimized for maximum biomass phycobiliprotein productions. The strains showed their halo therm...

The chromophore of phytochrome, the plant photomorphogenic pigment, was cleaved from the associated protein. Chromatographic and spectral properties indicated that it was a bilitriene closely similar to but distinct from the chromophore of C-phycocyanin and allophycocyanin.

The (Yand &subunits of C-phycocyanin from Mastigocladus laminosus were prepared according to revised procedures. Both subunits are isolated as dimers, which can be dissociated into monomers with detergent mixtures. The fluorescence decay kinetics are similar for the respective monomers and dimers. In no case could they be fitted by only one (o-subunit) or two exponentials (P-subunit) which are ...

Pigment biosynthesis in the cyanobacterium, Anacystis nidulans, was examined in the presence of gabaculine (5-amino-1,3-cyclohexadienyl-carboxylic acid). At 20 micromolar, this inhibitor blocked the biosynthesis of both chlorophyll and phycocyanin. Analogs of gabaculine were not effective as inhibitors of chlorophyll or phycocyanin biosynthesis. Iron- and phosphate-deficient cultures were 2- to...

This study aimed to map the differences between Arthrospira sp. and platensis strains variants from order Oscillatoriales at gene protein levels of C-phycocyanin alpha chain via multiple alignment, phylogenetic trees species, analysis nucleotide amino acid composition studied sequences. The links gene/protein environmental features habitat or source isolation were also investigated. Phycocyanin...

The absorption spectra of the principal pigment components extracted from Chroococcus cells have been measured, and their sum compared with the absorption of a suspension of living cells. The agreement was sufficiently close so that it was concluded the absorption spectra of the extracted and separated pigment components could be used to obtain estimates of the relative absorption of the variou...