Section 04 Prepared foodstuffs; beverages, spirits and vinegar; tobacco and manufactured tobacco substitutes 21 Miscellaneous edible preparations 21 06 Food preparations not elsewhere specified or included 21 06 90 Other mixtures of chemicals with foodstuffs or other substances with nutritive value, 21 06 90 91 Other mixtures of chemicals with foodstuffs or other substances with nutritive value, Commodity Code Description 21 06 90 91 00 Other mixtures of chemicals with foodstuffs or other substances with nutritive value,