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{"title":"The sweet smell of ionones","authors":"Guillaume Tena","doi":"10.1038/s41477-025-01972-4","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":18904,"journal":{"name":"Nature Plants","volume":"11 3","pages":"380-380"},"PeriodicalIF":15.8000,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nature Plants","FirstCategoryId":"99","ListUrlMain":"https://www.nature.com/articles/s41477-025-01972-4","RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
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离子的香味
与通常使用单一分子的研究不同,该团队使用了从十种不同品种中采摘的新鲜玫瑰,这些品种以浓郁的香味而闻名。一组参与者被要求对气味的各种感官特征进行评分,这些量化的反应与对花释放的数百种挥发物进行精确的气相色谱分析有关。第一种情绪反应是绝对积极的。更令人惊讶的是,在不同的品种之间,挥发物的绝对值和比例都有明显的不同。与吸引人的玫瑰色气味最相关的化学物质是离子和氧脂类,但“愉悦”方面需要苯丙类、苯类和氧脂类微妙而平衡的触感。另一方面,一些化合物——如脂肪族和酚甲酯——与对花的气味的负面感知有关。单萜烯的存在诱导了对水果和柠檬气味的感知;这是令人惊讶的,因为单萜烯(如香叶醇和橙花醇)经常被用于人造玫瑰香水。
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