Phenolic acid content of sorghum and maize cultivars varying in hardness

Chiremba, C. and Taylor, J.R.N. and Rooney, L.W. and Beta, T. (2012) Phenolic acid content of sorghum and maize cultivars varying in hardness. Food Chemistry. pp. 1-8.

[img] PDF (In Press)
Restricted to ICRISAT researchers only


The role of phenolic acids on sorghum and maize hardness was evaluated among eight cultivars of each of the cereals representing hard and soft classes. Bran and flour fractions were evaluated for monomeric and diferulic phenolic acids using high performance liquid chromatographic and mass spectrometric (LC–MS/MS) techniques. Bran samples of harder grains had more phenolic acids than those of soft types. Intra-class testing showed slight differences in cultivars within the hard and soft classes. The content of phenolic acids was a useful indicator of hardness distinguishing between hard and soft maize and sorghum cultivars. Correlation coefficients between monomeric acids of maize bran, mostly ferulic acid, and grain hardness were higher than those of sorghum. Maize bran ferulic acid content was strongly correlated with Tangential Abrasive Dehulling Device (TADD) hardness (r = −0.776, p < 0.001). This study is the first to show that there is a relationship between bran phenolic acid content and sorghum and maize hardness.

Item Type: Article
Uncontrolled Keywords: Phenolic acids; Ferulic acid; Hardness; Maize; Sorghum
Author Affiliation: Department of Food Science, University of Manitoba, Winnipeg, MB, Canada R3T 2N2 b Institute for Food, Nutrition and Well-being and Department of Food Science, University of Pretoria, Private Bag X20, Hatfield 0028, South Africa c Agricultural Research Council-Grain Crops Institute, Private Bag X1251, Potchefstroom 2520, South Africa d Cereal Quality Laboratory, Department of Soil and Crop Sciences, Texas A&M University, College Station, TX 77843-2474, USA e Richardson Centre for Functional Foods and Nutraceuticals, Smartpark, University of Manitoba, Winnipeg, Manitoba, Canada
Subjects: Postharvest Management > Food Technology
Plant Physiology and Biochemistry > Biochemistry
Divisions: Maize
Depositing User: Mr. SanatKumar Behera
Date Deposited: 27 Mar 2012 04:55
Last Modified: 27 Mar 2012 04:56
Official URL:

Actions (login required)

View Item View Item