http://www.aulamedica.es/nh/pdf/9001.pdf
Minerals
The inorganic nutrients of most relevance in Spirulina are iron, calcium, and phosphorous. People tend to consume a significant number of fiber foods that contain phytates and oxalates, which, in turn, lower the bioavailability of iron in vegetables.
Spirulina could be able to counteract these two aspects: a) its iron content is substantially high: comparatively, cereals –which are usually considered good sources of iron– contain between 150-250 mg/kg; blue-green algae contains about 580-1800 mg/kg; b) algae does not have pericardium (as cereals do), hence it does not present phytates/oxalates that could chelate iron and lower its absorption (this is what happens, for example, with spinach).
The relative proportion (Ca:P) of these micronutrients is compatible.
The preservation of bone health since it reduces
the decalcification risk. Moreover, as was previously
As stated, the cyanobacterium of interest is an oxalate-free
Plant food, thus –as with iron- provides calcium
With high availability; thus it improves its absorption.
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