Effects of iron and manganese concentration and their ratio on cell growth and cylindrospermopsin production of the cyanobacterium Cylindrospermopsis raciborskii.
Abstract
The fresh water cyanobacterium Anabaena circinalis produces saxitoxin (STX) and several other toxins with similar basic
structural skeleton. Collectively, these toxins are known as Paralytic Shellfish Poisons or PSPs. These toxins are water soluble
and can escape into the water body after cell lysis. The presence of these toxins in drinking water is a serious threat
to human health. The present work has shown that Paralytic Shellfish Poisons (PSPs) in drinking water can be removed
by chlorination at high pH (>9.0), provided a residual of 0.5 mg/L of free chlorine is present after 30 minutes of contact
time.
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Subject
PRE2009-Environmental and Occupational Health and Safety