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      Fatty acid, amino acid, mineral and antioxidant contents of acha (Digitaria exilis) grown on the Jos Plateau, Nigeria.

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          Abstract

          Digitaria exilis (Kippist) Stapf (also known as acha, hungry rice) has been cultivated for millennia in the dry savannahs of West Africa, but much remains to be learned about its nutritional properties. Acha was collected in four villages in Northern Nigeria and analyzed for fatty acids, minerals, amino acids and antioxidant content. Fatty acids accounted for 1.91% of the dry weight, with 47.4% linoleic acid and 30.5% oleic acid. The content of the essential minerals, copper, magnesium, molybdenum, zinc and calcium averaged 4.88, 1060, 0.23, 23.0 and 172 μg/g, respectively. The protein content was 6.53% and the essential amino acid pattern, except for lysine, compared favorably to a World Health Organization (WHO) reference protein. The total polyphenolic content of methanolic extracts of acha matched that of common cereals (for example, maize, rice, wheat) and the extracts contained substantial amounts of free-radical scavenging substances. Thus, acha is a source of many nutrients critical to human health.

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          Author and article information

          Journal
          Int J Nutr Metab
          International journal of nutrition and metabolism
          Academic Journals
          2141-2332
          2141-2332
          Jan 2013
          : 5
          : 1
          Affiliations
          [1 ] Department of Biochemistry and Molecular Biology, School of Medicine, University of New Mexico, Albuquerque, New Mexico, USA.
          [2 ] Department of Family Medicine, Jos University Teaching Hospital, Jos, Nigeria.
          [3 ] Genome Center Proteomics Core, Molecular Structure Facility, University of California, Davis, California, USA.
          [4 ] National Institute of Occupational Health and Safety, Ohio, USA.
          [5 ] Department of Biotechnology, Yuanpei University, Hsinchu, Taiwan.
          Article
          NIHMS737166
          10.5897/IJNAM13.0137
          4666555
          26635994
          c32c4c1d-7f69-4b31-8cab-31d34c2a8324
          History

          Acha,amino acids,fatty acids,minerals,polyphenols
          Acha, amino acids, fatty acids, minerals, polyphenols

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