2023年4月3日 · One interesting fact about aging is that it also changes body odor. This explains why older people have a distinct smell that doesn’t go away even after several showers. This body odor is called nonenal. Others use the term 2-nonenal, and it is a chemical compound naturally produced in the body.

2017年4月19日 · Nonenal, a chemical compound that people develop as they age, is the culprit behind the smell, which has been described by the National Institutes of Health as an “unpleasant greasy and grassy odor.” It is often hard to self-detect, but will linger on fabric such as shirt collars and pillow cases.

2023年6月6日 · Learn about nonenal odor and the reasons why old people smell different, and discover tips from dermatologists on how to reduce unwanted body odor.

One study suggested that old person smell may be the result of 2-nonenal, an unsaturated aldehyde which is associated with human body odor alterations during aging. [3] Another study failed to detect 2-nonenal at all, but found significantly increased concentrations of benzothiazole, dimethylsulphone, and nonanal on older subjects. [4]

2012年5月30日 · found that, compared with people aged 25 to 40, people over age 40 have higher levels of a fragrant organic compound known as 2-nonenal in their sweat and on their skin.

2024年12月9日 · If you’ve noticed a distinctive scent associated with older adults, science offers a fascinating explanation: nonenal, a compound produced by the natural aging process. Understanding what nonenal is, its chemical origins, and how to mitigate its effects can help older adults and their caregivers address body odor with confidence and compassion.

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2021年1月15日 · Read about nonenal, a common cause of the distinct scent. Plus, learn how to talk to loved ones about body odor, and discover why changes sometimes signal medical problems. You'll have a greater understanding of age-related changes in body odor after you learn these common causes.

2023年11月8日 · Nonenal, a type of body odor associated with aging, can be difficult to detect and even harder to eliminate. In this blog post, we’ll discuss the causes of nonenal and provide practical tips for managing this smell in clothes and living environments.

2018年12月3日 · The odor of 2-nonenal was characterized as similar to old pomade and candle wax, having a fishy or resin-like odor, and is believed to be the key element in odors associated with aging. The odor has also been described as unpleasant—greasy, grassy.