Ribena pure fruit syrups for the manufacture of milkshakes had been done at the Long Ashton Agriculture and Horticulture Research Station in North Somerset using a pectinase enzyme process; Ribena was essentially invented there by Vernon Charley, a scientist at the University of Bristol in 1933. The blackcurrant variety was found to contain high levels of vitamin C. The drink was launched in 1938 under the name Ribena (from the botanical name for the blackcurrant, "Ribes nigrum"). During the Second World War, other fruits rich in vitamin C, like oranges, became almost impossible to obtain in the United Kingdom, due to
Asplenium adiantum-nigrum Asplenium adiantum-nigrum Asplenium adiantum-nigrum is a common species of fern known by the common name black spleenwort. It is found mostly in Africa, Europe, and Eurasia, but is also native to a few locales in Mexico and the United States. This spleenwort has thick, triangular leaf blades up to 10 centimeters long which are divided into several subdivided segments. It is borne on a reddish green petiole and the rachis is shiny and slightly hairy. The undersides of each leaf segment have one or more sori arranged in chains. In Hawaii, this native fern grows on cinder cones and lava