Full Length Research Paper
Abstract
Microcystin is the most common of the cyanobacterial hepatotoxins with more than 65 known variants. Increased nutrient loading of fresh and coastal water bodies has lead to an increased occurrence of cyanobacterial blooms, many of which are microcystin producing. Due to a limited commercial supply of, and difficulties in obtaining, microcystin standards, there has been an increased interest in production of purified microcystin for the use as standards in analytical laboratories. Microcystin content is however highly variable and optimised culture conditions are essential to produce viable yields of microcystin for purification. We describe the optimization of culture conditions and evaluation of various purification methods to enhance the yield of microcystin from laboratory scale culture.
Key words: Microcystin, purification, standards.
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