Amino acid biosynthesis pathways produce various ... produces a substrate for 1-butanol, 2-ketovalerate. Figure 1: Production of higher alcohols through the synthetic non-fermentative pathways.

POTASSIUM permanganate (1 per cent solution, containing 2 per cent sodium carbonate ... on a chromatogram irrigated with butanol/acetic acid and carrying amino-acids as well as carbohydrates ...