Complex sentence: Oats and barley differ in the ratio of cellotriosyl to cellotetraosyl, and barley has more 1-4 linkages with a degree of polymerization higher than 4.
Split into simpler sentences: Oats and barley differ in the ratio of trimer and tetramer 1-4 linkages. Barley has more 1-4 linkages with a degree of polymerization higher than 4.