通过化学感官相互作用增强度感知:一项fMRI研究
Afshin Faridi Esfanjani1, Mohebbat Mohebbi2
1Department of Food Science and Technology, Ferdowsi University of Mashhad, Mashhad, Iran.
Scientific reports
|July 10, 2023
概括
切达奶酪气味和单谷氨酸 (MSG) 的组合增强了对NaCl溶液中的盐度的感知和偏好. 这一发现得到了神经成像的支持,揭示了由这些味道相互作用激活的特定大脑区域.
科学领域:
- 神经科学是一个神经科学.
- 感官科学 感官科学
- 食品科学 食品科学 食品科学
背景情况:
- 味道感知和奖励是由味道和气味刺激之间的相互作用调节的.
- 了解这些相互作用对于开发更健康的食物选择至关重要,比如低产品.
- 神经成像技术提供了对涉及处理复杂感官信息的大脑区域的洞察.
研究的目的:
- 调查切达奶酪气味和单谷氨酸 (MSG) 如何影响化 (NaCl) 溶液中盐度的感知和偏好.
- 用功能磁共振成像 (fMRI) 识别通过气味和味道刺激的相互作用激活的大脑区域.
主要方法:
- 进行了一项感官实验,以评估切达奶酪气味和MSG对NaCl溶液的影响.
- fMRI被用来研究大脑活动对各种气味-味道组合的反应.
- 参与者在不同的条件下对NaCl溶液的度和偏好进行了评分.
主要成果:
- 感官测试显示,MSG和切达奶酪气味的组合显著增强了NaCl溶液的度和偏好.
- fMRI数据表明,增加的度感知激活了Rolandic部.
- 增强的偏好与直肠,中间轨道前皮层和黑色物质的激活相关.
结论:
- 气味和味道的相互作用,特别是涉及切达奶酪气味和MSG,可以有效地增强盐味的感知和偏好.
- 该研究确定了关键的大脑区域,包括轨道前皮层 (OFC),前带皮层 (ACC),极和杏仁体,参与处理这些综合感官输入.
- 研究结果表明,在食品产品开发中,有潜在的应用,以创造可口的低盐替代品.
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