(under subclass 49) Processes which involve the addition to plant materials of enzymes, enzyme containing or producing materials, or micro-organism.
(1) Note. Processes involving separating a plant material into two or more fractions and culturing one of the fractions without the addition of extraneous enzymatic or enzyme
containing or producing material followed by a remixing of the cultured product with one or more of the original fractions is not considered to be an addition within the confines of this subclass and will be found under subclasses 49+ on some other basis.
