Phenolic compounds and related enzymes as determinants of sorghum for food use

M.H. Dicko, H. Gruppen, A.S. Traore, A.G.J. Voragen, W.J.H. van Berkel

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Phenolic compounds and related enzymes such as phenol biosynthesizing enzymes (phenylalanine ammonia lyase) and phenol catabolizing enzymes (polyphenol oxidase and peroxidase) are determinants for sorghum utilization as human food because they influence product properties during and after sorghum processing. Phenolic compounds are quality-grade markers for the preparation of several foods because of enzyme inhibitory activities, color, or antioxidant activities. Large inter-varietal differences in contents of phenolic compounds and their antioxidant activities among sorghum varieties exist. Moreover, some red sorghum varieties have higher antioxidant activities than the most important sources of natural antioxidants. Oxidation products of peroxidase and polyphenol oxidase (benzoquinones and polymeric compounds) affect food quality. This paper reviews the current advances in phenolic compounds and phenolic enzymes in sorghum as human food, with emphasis on nutritional and health aspects. The suitability of sorghum varieties for food and beverages is discussed.
Original languageEnglish
Pages (from-to)20-37
JournalBiotechnology and Molecular Biology Review
Volume1
Issue number1
Publication statusPublished - 2006

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