The smell of earth after rain; is called Petrichor, and it is caused by Geosmin. Geosmin is an organic compound with the formula C12H22O. It’s produced by several classes of microbes, including cyanobacteria (blue-green algae) and actinobacteria (especially Streptomyces), and released when these microbes die. The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 5 parts per trillion.
Spirulina is a simple one-celled microscopic blue-green algae with the scientific name Arthrospira platensis. Under a microscope, spirulina appears as long, thin, blue-green spiral threads. The odor and taste of spirulina is similar to seaweed.
24 Best Benefits and Uses Of Spirulina For Skin, Hair and Health
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Spirulina, a type of blue-green algae, is an incredible superfood regarded as a valuable food source to prevent malnutrition. Protects against numerous health problems, fights inflammation, detoxifies.