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The use of tradenames in this study is for identification only. This exploratory study aimed to assess the differences in physical design features (eg, pressure drop, ventilation, menthol concentration, flavor additives, nicotine concentration) according to the delivery method of menthol of popular mentholated and non-mentholated cigarette brands sold in the US.Ĭigarette products analyzed in this study were purchased from retail stores in the Buffalo Niagara region of Western New York State in September, 2018. In addition, various flavorings may be used to create different minty, cool flavor profiles.
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Therefore, Camel Menthol products that are marketed as “menthol to fresh” (eg, mentholated in tobacco and a capsule) are expected to have the most menthol, followed by capsule products, products mentholated in the tobacco, and finally products that are not mentholated. 3 Camel Crush may be perceived as mintier because it has a higher concentration of menthol in the capsule compared to a product mentholated in the tobacco (eg, Newport). For instance, Camel Crush may have higher filter ventilation than other products, which would decrease the concentration of smoke per puff. 19 Although these qualitative differences have been identified in focus groups, there are few studies assessing what design features may influence these opinions. Participants have claimed that Camel Crush does not taste like a normal cigarette as you do not get much smoke, the taste is mintier, and the cigarettes burn more quickly than other mentholated cigarettes brands, such as Newport. 15 On the other hand, when the flavor additive is added to the tobacco it is burned and has potential for migration, 15, 18 and all of which may alter the smoking experience. In addition, the flavor additives used in the crushable filter capsule are protected from evaporation creating a fuller flavor. Various flavor additives, 16 at varying concentrations of flavor additives, 17 can be used to create the characterizing flavor of menthol. 15 In the US, there are only 2 brands that supply mentholated cigarettes with crushable flavor capsules in the filter tip: Camel (Crush, Menthol, and Menthol Silver) and Marlboro (NXT). 15 The capsule can be crushed at any time during the smoking experience to release a flavor liquid in to the cigarette filter. 6 Capsule cigarettes contain a spherical capsule made from gelatin placed in the middle of the cigarette filter. 6, 14 Menthol can be added to a cigarette by spraying the cut tobacco during blending, adding it to the pack foil, injecting onto the tobacco stream in the cigarette maker, injecting into the filter on the filter maker, use of a crushable capsule in the filter, or any combination of the above methods. 8– 13 Almost all cigarettes, mentholated and non-mentholated, contain some level of menthol, but how it is added may not be clear unless the design feature is observable. Mentholated cigarettes accounted for more than one-third of the cigarettes sold in the US in 2016, and this percentage has been increasing steadily since the early 1960s 7 Menthol reduces the harshness of cigarette smoke and irritation caused by nicotine, which contributes to initiation and continuation of cigarette use. 6 Various combinations and levels of cigarette design features are used to create different sensory experiences to appeal to certain subsets of consumers. 1– 3 For instance, filter ventilation allows ambient air to enter the tipping paper, which is wrapped around the filter, reducing emission yields and creating a “lighter” taste 1, 3, 4 the presence of a filter, the type of filter materials, and filter elements such as flavor capsules influence smoke constituent yields and cigarette taste 1, 4 nicotine is known to be bitter and harsh 5 and flavor additives, such as menthol, can be added to reduce sensitivity to nicotine and add a minty flavor. 2 Many design features of the cigarette can affect the sensory properties of a cigarette. 2 The combination of these sensations refers to the cigarette’s sensory properties. 1 The “taste” of a cigarette refers to the appeal of that product to a consumer’s sense of smell, touch, and taste how the smoke smells when traveling through the mouth and nose, the sensation of the smoke on the tongue, gums and throat, and the taste of the smoke in the mouth. Cigarettes are carefully engineered to attract consumers.