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 …

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.

文献 检测了22名26-75岁不同年龄人体异味组成，结果显示2-壬烯醛（2-Nonenal，下文简称2-NE），一种不饱和醛仅在40岁及以上的受试者中检测到；随着年龄的增长， n-7单不饱和脂 …

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 …

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.

2-壬烯醛为无色至淡黄色油状液体，不溶于水，溶于乙醇等有机溶剂，遇空气易氧化。

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 …

2-Nonenal is an unsaturated aldehyde. The colorless liquid is an important aroma component of aged beer [2] and buckwheat, and is insoluble in water. [3] The odor of this substance is …

Here, we have investigated the changes in body odor associated with aging. The body odor of subjects between the ages of 26 and 75 was analyzed by headspace gas …

Nonenal™ is a naturally occurring compound that contributes to the characteristic odor associated with aging. As we grow older, our bodies produce more Nonenal, which can become a …