pentosan
Pen"to*san, n. Also -sane. [From Pentose.] (Chem.) Defn: One of a class of substances (complex carbohydrates widely distributed in plants, as in fruits, gums, woods, hay, etc.) which yield pentoses on hydrolysis.
Pen"to*san, n. Also -sane. [From Pentose.] (Chem.) Defn: One of a class of substances (complex carbohydrates widely distributed in plants, as in fruits, gums, woods, hay, etc.) which yield pentoses on hydrolysis.