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These toxic compounds are not produced by spirulina itself, [48] but can occur if spirulina batches are contaminated with other, toxin-producing, blue-green algae. Because the U.S. considers spirulina a dietary supplement, its government does not regulate its production and enforces no safety standards for its production or purity. [47]
Kidney toxicity [5] associated with kidney failure; associated with development of cancer, particularly of the urinary tract, known carcinogen [8] [9] Atractylate Atractylis gummifera: Liver damage, [3] nausea, vomiting, epigastric and abdominal pain, diarrhoea, anxiety, headache and convulsions, often followed by coma [10]
The common name, spirulina, refers to the dried biomass of Arthrospira platensis, [3] a type of Cyanobacteria, which are oxygenic photosynthetic bacteria.These photosynthetic organisms were first considered to be algae, a very large and diverse group of eukaryotic organisms, until 1962 when they were reclassified as prokaryotes and named Cyanobacteria. [4]
Spirulina is a genus of cyanobacteria. It is not classed as algae , despite the common name of cyanobacteria being blue-green algae. Despite its name, the " spirulina " dietary supplement actually uses cyanobacteria belonging to the genus Arthrospira (which were formerly classified within Spirulina ) .
Spirulina major is a species of cyanobacteria in the family Spirulinaceae. [2] [1] It's found primarily in the Gulf of Mexico and sparsely on the shores of South America, Africa, Europe, the Middle East, and India. [3]
PNEC values are intended to be conservative and predict the concentration at which a chemical will likely have no toxic effect. They are not intended to predict the upper limit of concentration of a chemical that has a toxic effect. [1] [2] [3] PNEC values are often used in environmental risk assessment as a tool in ecotoxicology.
Toxic gases – Gases which: are known to be so toxic or corrosive to humans as to pose a hazard to health; or; are presumed to be toxic or corrosive to humans because they have an LC 50 value equal to or less than 5000 ml/m 3 (ppm). e.g. hydrogen cyanide. Division 2.3
The lowest-observed-adverse-effect level (LOAEL), or the lowest-observed-adverse-effect concentration (LOAEC), is the lowest concentration or amount of a substance found by experiment or observation that causes an adverse alteration of morphology, function, capacity, growth, development, or lifespan of a target organism distinguished from normal organisms of the same species under defined ...