Arthrospira, a type of cyanobacteria, has a high growth rate with
as high as 25% (w/w) C-PC content in the biomass, and thus is con-
sidered as a promising and commercial C-PC source (Ciferri, 1983).
The worldwide production of Arthrospira has grown significantly in
recent years, with greater than 3000 tons dry biomass that are pro-
duced worldwide annually and used for animal feed additives and
health food products (Kuddus et al., 2013). In general, the C-PC pro-
ductivity combines the dual effects of C-PC content and biomass
productivity is the most important indicator to evaluate the effi-
ciency of C-PC production in the commercial process. In order to
improve C-PC productivity, several attempts were made in the lit-
erature by varying the growth metabolism of Arthrospira, such as
phototrophic