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Spirulina Cultivation and Growth Requirements

Algae Strains that produce Spirulina

Arthrospira platensis and Arthrospira maxima

Growth Requirements :The optimum temperature for growth is 35oC, but above 38oC spirulina is in danger. Growth only takes place in light (photosynthesis), but illumination 24 hours a day is not recommended. During dark periods, chemical reactions take place within spirulina, like synthesis of proteins and respiration. Respiration decreases the mass of spirulina biomass ; its rate is much greater at high temperature so cool nights are better on that account, but in the morning beware that spirulina cannot stand a strong light when cold (below 15oC).

Temperature 35-40oC
pH 8.5-10.5
Habitat Alkaline, brackish water
Growth Conditions of Arthrospira platensis and Arthrospira maxima

Spirulina Introduction

    Spirulina is a human and animal food or nutritional supplement made primarily from two species of cyanobacteria: Arthrospira platensis and Arthrospira maxima.

Spirulina Production

"Spirulina ( Arthospira sp) used for the production of single" cell protein. The commercial producers of Spirulina are located in the United States, Thailand, India, Taiwan, China, Pakistan, Burma and Chile.

Spirulina Composition

    Spirulina contains about 60% (51-71%) protein of its dry weight. The protein content varies by 10-15% according to the time of harvesting in relation to daylight.

Spirulina Application

"Spirulina spp. and its processing products are employed in agriculture, food industry, pharmaceutics, perfumery and medicine. Spirulina has several pharmacological activities such as antimicrobial (including antiviral and antibacterial), anticancer, metalloprotective (prevention of heavy-metal poisoning against Cd, Pb, Fe, Hg).

Spirulina – Facts & Factoids

"Spirulina is not considered to be a reliable source of Vitamin B12. The standard B12 assay, using Lactobacillus leichmannii, shows spirulina to be a minimal source of bioavailable vitamin B12.

Spirulina – Market

"Spirulina is now commercially available in tablet or powder form. During 1970-1980, at the time when spirulina was launched on the market, the market for food supplements was not organised and regulated as is the case today.

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