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  • 标题:Carbohydrate composition of ripe pineapple (cv. perola) and the glycemic response in humans
  • 本地全文:下载
  • 作者:Cordenunsi, Beatriz ; Saura-Calixto, Fulgêncio ; Diaz-Rubio, Maria Elena
  • 期刊名称:Food Science and Technology (Campinas)
  • 印刷版ISSN:0101-2061
  • 电子版ISSN:1678-457X
  • 出版年度:2010
  • 卷号:30
  • 期号:1
  • 页码:282-288
  • DOI:10.1590/S0101-20612010000100041
  • 语种:English
  • 出版社:Sociedade Brasileira de Ciência e Tecnologia de Alimentos
  • 摘要:

    Brazil is the third largest producer of pineapple (Ananas comosus) and the market for fresh pineapple is sustained by the Hawaii and Perola cultivars. In this work the Perola cultivar was divided into three main parts, shell, core and pulp, for characterization. Moisture in the pulp was higher (between 10 and 15%) than in the shell and core. The amount of protein was higher in the core (35%) than in the pulp and shell. Perola contained relatively low concentrations of total ascorbic acid in the edible parts, although higher levels of ascorbic acid in the shell. Citric acid corresponded to almost 60% of the total organic acids. The total soluble sugars [~7-12% (FW)] were predominantly sucrose, fructose and glucose. The core had almost twice as much total sugar (12%) than the pulp (6.8%). The amount of insoluble dietary fiber was around 1%, and the soluble fiber was less than 0.1%. The pulp showed the highest concentration of polyphenols (0.49%) and antioxidant activity (33 µmol.g-1) out of the parts. The consumption of the pineapple pulp or core produced a high glycemic index (~93%), but considering the glycemic load, this fruit can be considered as low dietary.

  • 关键词:abacaxi;cultivar Pérola;carboidratos;atividade antioxidante;ácido ascórbico;resposta glicêmica
  • 其他关键词:pineapple;Perola cultivar;carbohydrates;antioxidant activity;ascorbic acid;glycemic response
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