我国人群对标准气味物质的愉悦度测评特征

Chinese Population Evaluation Characteristics of the Hedonic Tone of Two Standard Odorous Substances

组织73名嗅辨员,采用9级度量法,评价香草醛(5 g/L)和愈创木酚(体积分数为0.000 5%)的愉悦度,分析我国人群愉悦度分布特征,提出愉悦度测评条件。结果表明,香草醛的愉悦度评价总体平均值为1.26,愈创木酚的愉悦度评价总体平均值为-1.18。男性嗅辨员香草醛的愉悦度均值为1.42,女性嗅辨员为1.05。提出为尽可能抵消个体之间存在的主观差异,愉悦度测试小组人员数量应该在15人以上,且男女成员比例应该相当。

The hedonic tone of vanillin and guaiacol were evaluated by 73 qualified panelists according to the 9 point hedonic scale measurement method,in order to understand the assessment characteristics of the hedonic tone of Chinese population and put forward the test requirements of hedonic tone evaluation.The results show the mean hedonic tone of vanillin was 1.26,while guaiacol was-1.18.The mean hedonic tone of vanillin for male assessors was 1.42,and for female assessors,was 1.05.At least 15 persons were requested for composing the panelist to offset the subjective differences between individuals,and the ratio of male to female assessors should be proportionable.