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  • 标题:Stability of volatile profile and sensory properties of passion fruit juice during storage in glass bottles
  • 本地全文:下载
  • 作者:Freitas, Vitória Matos de ; Garruti, Deborah dos Santos ; Souza Neto, Manoel Alves
  • 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:2011
  • 卷号:31
  • 期号:2
  • 页码:349-354
  • DOI:10.1590/S0101-20612011000200011
  • 语种:English
  • 出版社:Sociedade Brasileira de Ciência e Tecnologia de Alimentos
  • 摘要:

    This study aimed at assessing the stability of passion fruit juice in glass bottles during a 120-day storage period, regarding its volatile compounds profile and sensory properties (aroma and flavor). Samples were obtained from a Brazilian tropical juice industry (Fortaleza, Brazil) and submitted to sensory and chromatographic analyses. The characteristic aroma and flavor of passion fruit were evaluated by a trained panel with a non-structured scale of 9 cm. The headspace volatile compounds were isolated from the product by suction and trapped in Porapak Q, analyzed through high-resolution gas chromatography and identified through gas chromatography-mass spectrometry (GC-MS). Twelve odoriferous compounds were monitored: ethyl butanoate, ethyl propanoate, 3-methyl-1-butanol, 3-methyl-2-butenol, (E)-3-hexenol, (Z)-3-hexenol, 3-methylbutyl acetate, benzaldehyde, ethyl hexanoate, hexyl acetate, limonene and furfural. The slight variations observed in the volatile profile were not enough to provoke significant changes in the characteristic aroma and flavor of the passion fruit juice.

  • 关键词:Passiflora;suco tropical;material de embalagem;compostos voláteis;análise sensorial;estocagem
  • 其他关键词:Passiflora;tropical juice;packaging material;volatile compounds;sensory analysis;storage
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