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6670797 
Journal Article 
Harvesting of Aphanizomenon flos-aquae Ralfs ex Born. & Flah. var. flos-aquae (Cyanobacteria) from Klamath Lake for human dietary use 
Carmichael, WW; Drapeau, C; Anderson, DM; , 
2000 
Yes 
Journal of Applied Phycology
ISSN: 0921-8971
EISSN: 1573-5176 
KLUWER ACADEMIC PUBL 
DORDRECHT 
12 
6 
585-595 
English 
WOS:000165788800004 
In western cultures, certain cyanobacteria have been an accepted source of microalgal biomass for food for about 30 years, in particular Spirulina (Arthrospira) platensis and S. maxima. Beginning in the early 1980s, another species, Aphanizomenon flos-aquae was adopted for similar uses. This is harvested from Upper Klamath Lake, the largest freshwater lake system in Oregon. In 1998 the annual commercial production of Aphanizomenon flos-aquae was about 1 x 10(6) kg. Since this species is not cultured like Spirulina in outdoor ponds or raceways, it requires very different procedures for harvesting and processing. These are reviewed here and include extensive off-lake screens or on-lake barges, which dewater and concentrate the cells. Other procedures, such as those for removal of detritus and mineral materials, and those for monitoring and reducing the amounts of certain contaminant cyanobacteria, which can produce cyanotoxins, have also become important in quality control and marketing. 
Marine & Freshwater Biology; Aphanizomenon flos-aquae, biomass, blue-green algae, cyanobacteria,; food, harvesting, Klamath Lake, quality control, waterbloom; linked-immunosorbent-assay, blue-green-alga, spirulina, microcystins,; anticholinesterase, anatoxin-a(s), china 
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