References to the use of Asparagopsis taxiformis as food, before 1997. In the books:
•Arasaki, S. & Arasaki, T. Vegtables from the Sea, Toyko; Japan Publications, 1983, p. 122
•Chapman, V.J. and Chapman, D.J. Seaweeds and Their Uses. London: Chapman and Hall, 1980, p. 64