River Parrett is a 'pre-English river-name of obscure origin'. The River Parrett, the Bristol Channel and the Severn Estuary are believed to have been used for riverine bulk transportation of people and supplies in Somerset under Roman and later Anglo-Saxon and Norman occupation. Roman Somerset, which lasted for over 250 years until around the beginning of the 5th century, had various settlements, including Bath ("Aquae Sulis"), Ilchester ("Lindinis") and lead mines at Charterhouse; and four roads surrounding the Somerset Levels. There is evidence of two Roman ports on the Parrett. The port at Combwich, on the west bank, was ill-recorded before its
Aphanizomenon flos-aquae (dietary supplement) therefore not suitable for use as a B source for humans. "Aphanizomenon flos-aquae" contains minerals and trace minerals (including calcium, chloride, chromium, copper, iron, magnesium, manganese, phosphorus, sodium, and zinc). Whether or not AFA microalgae contain a balance of bioavailable minerals and trace minerals depends on the mineral content of their growth environment. AFA" "is approximately 60% protein by dry weight. Approximately 45% of the lipids (fats) of AFA are essential fatty acids. "Aphanizomenon flos-aquae" contains a balance of both linoleic acid (LA, an omega-6 fatty acid) and alpha-linolenic acid (ALA, an omega-3 fatty acid). Researchers at Massachusetts General Hospital