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  • 标题:Whole or Defatted Sesame Seeds ( Sesamum indicum L.)? The Effect of Cold Pressing on Oil and Cake Quality
  • 本地全文:下载
  • 作者:Diana Melo ; Manuel Álvarez-Ortí ; Maria Antónia Nunes
  • 期刊名称:Foods
  • 电子版ISSN:2304-8158
  • 出版年度:2021
  • 卷号:10
  • 期号:9
  • DOI:10.3390/foods10092108
  • 语种:English
  • 出版社:MDPI Publishing
  • 摘要:Whole sesame seeds and sesame oil, which is obtained after cold pressing the seeds, are foodstuffs globally consumed due to their nutritional characteristics. The press cake that remains from the oil extraction process can be ground to form a defatted flour that can be incorporated into the human diet, contributing to the valorisation of this product. The nutritional comparison between the whole seeds and the press cake reveals the potential of this by-product to be incorporated in the formulation of diverse foodstuff, since it is richer than the seeds in proteins (30%) and fibre (25%) and still contains a proportion of oil (32%) with a fatty acid pattern characterized by the abundance of unsaturated fatty acids. The protein fraction of both the seeds and the cake shows a balanced composition regarding amino acid composition, with all the essential amino acids included. On the other hand, the oil obtained by cold pressing is shown as a high-quality oil, where the predominant fatty acids are oleic (42.66%) and linoleic (41.25%), which are essential fatty acids because they are not synthetised in the organism and must be obtained through the diet. In addition, it is rich in vitamin E, especially in γ-tocopherol, that was the main isomer found. Regarding these results, all products (sesame seeds, oil and press cake) are components suitable to be included in a healthy diet.
  • 关键词:ennutritional analysis;amino acids profile;fatty acids profile;vitamin E profile;dietary fibre;antioxidants composition
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