PDF(Pubmed)
Abstract：
E-liquids contain combinations of chemicals, with many enhancing the sensory attractiveness of the product. Studies are needed to understand and characterize e-liquid ingredients, particularly flavorings, to inform future research and regulations of these products. We identified common flavor ingredients in a convenience sample of commercial e-liquids using gas chromatography-mass spectrometry. E-liquid flavors were categorized by flavor descriptors provided on the product packaging. A Flavor Ingredient Wheel was developed to link e-liquid flavor ingredients with flavor categories. An analysis of 109 samples identified 48 flavor ingredients. Consistency between the labeled flavor and ingredients used to produce such flavor was found. Our novel Flavor Ingredient Wheel organizes e-liquids by flavor and ingredients, enabling efficient analysis of the link between ingredients and their flavor profiles and allowing for quick assessment of an e-liquid ingredient\'s flavor profile. Investigating ingredient profiles and identifying and classifying commonly used chemicals in e-liquids may assist with future studies and improve the ability to regulate these products.
摘要：
电子液体含有化学物质的组合，与许多增强产品的感官吸引力。需要研究来理解和表征电子液体成分，尤其是调味品,为这些产品的未来研究和法规提供信息。我们使用气相色谱-质谱法在商业电子液体的方便样品中鉴定了常见的风味成分。通过产品包装上提供的风味描述符对电子液体风味进行分类。开发了一种风味配料轮，将电子液体风味配料与风味类别联系起来。对109个样品的分析确定了48种风味成分。发现了标记的风味和用于产生这种风味的成分之间的一致性。我们新颖的风味配料轮通过风味和成分组织电子液体，能够有效分析成分及其风味特征之间的联系，并允许快速评估电子液体成分的风味特征。调查成分概况以及识别和分类电子液体中常用的化学物质可能有助于未来的研究，并提高监管这些产品的能力。
