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March 26, 2014


Rosemary Aroma May Help You Remember to Do Things・Science daily



The aroma of rosemary essential oil may improve prospective memory in healthy adults.


prospective memory 展望的記憶

This is the finding of a study conducted by Jemma McCready and Dr Mark Moss from the University of Northumbria. The findings presented today, Tuesday 9 April, at the Annual Conference of the British Psychological Society in Harrogate, suggest that this essential oil may enhance the ability to remember events and to remember to complete tasks at particular times in the future.

これは英国ノーザンブリア大学のJemma McCreadyおよびDr Mark Mosによって行われた研究の結果です。研究結果はハロゲートの英国心理学会の年次会議で4月9日火曜日に提示され、このローズマリー精油が出来事を覚えることや将来的に特定の時間で物事を完了することを覚えておく能力を高めることを示唆している。

Dr Mark Moss said: "We wanted to build on our previous research that indicated rosemary aroma improved long-term memory and mental arithmetic. In this study we focused on prospective memory, which involves the ability to remember events that will occur in the future and to remember to complete tasks at particular times this is critical for everyday functioning. For example when someone needs to remember to post a birthday card or to take medication at a particular time."

Dr Mark Mossは述べた:ローズマリーの香りが長期記憶および暗算の改善を示した以前の研究を構築することを望んでいた。本研究で、私たちは展望的記憶に焦点をあて、そのことは将来的に起こるだろう物事を覚えておくこと、かつ毎日のことが機能するのに必須である特定の時間に仕事を完了することを覚えておくことの能力を含んでいます。例えば、だれかがバースデーカードをポストに投函することや特定な時間に薬を服用することを覚えておくことが必要な場合です。

mental arithmetic 暗算

Rosemary essential oil was diffused in to a testing room by placing four drops on an aroma stream fan diffuser and switching this on five minutes before the participants entered the room. Sixty-six people took part in the study and were randomly allocated to either the rosemary-scented room or another room with no scent.


In each room participants completed a test designed to assess their prospective memory functions. This included tasks such as hiding objects and asking participants to find them at the end of the test and instructing them to pass a specified object to the researcher at a particular time. All the tasks had to be done with no prompting. If the task was not performed then different degrees of prompting were used. The more prompting that was used the lower the score. Participants also completed questionnaires assessing their mood.


Participants' blood was also analysed to see if performance levels and changes in mood following exposure to the rosemary aroma were related to concentrations of a compound (1,8-cineole) present in the blood. The compound is also found in the essential oil of rosemary and has previously been shown to act on the biochemical systems that underpin memory.


biochemical systems 生化学系

The results showed that participants in the rosemary-scented room performed better on the prospective memory tasks than the participants in the room with no scent. This was the case for remembering events and remembering to complete tasks at particular times.

Jemma McCready explained: "There was no link between the participants' mood and memory. This suggests performance is not influenced as a consequence of changes in alertness or arousal."

Jemma McCreadyは説明した:“参加者”の気分と記憶との結びつきはなかった。このことはパフォーマンスが覚醒または目覚めさせることの変化の結果として影響を受けないことを示唆しています。

alertness 覚醒
arousal 目覚めせること,覚醒

The results from the blood analysis found that significantly greater amounts of 1,8-cineole were present in the plasma of those in the rosemary scented room, suggesting that the influence of aroma was mediated pharmacologically.


Jemma McCready said: "These findings may have implications for treating individuals with memory impairments. It supports our previous research indicating that the aroma of rosemary essential oil can enhance cognitive functioning in healthy adults, here extending to the ability to remember events and to complete tasks in the future. Remembering when and where to go and for what reasons underpins everything we do, and we all suffer minor failings that can be frustrating and sometimes dangerous.
Further research is needed to investigate if this treatment is useful for older adults who have experienced memory decline."

Jemma McCreadyは述べた:“これらの研究結果は記憶障害のある各人を治療するために意味があるかもしれない。それは、ローズマリー精油の芳香が健康な成人の認知機能を高めることができることを示している私たちの研究を支持して、ここで、物事を覚えていて将来にそのことを完了するための能力を延ばすことをした。何のためにいつ、どこに行くかを覚えておくことは私たちがすることを確認することになって、私たち全てはイライラして、何か危険なようになりうる些細なことに苦しんだ。この治療が記憶減退を経験した高齢者にとって有用であるかを調査するために更なる研究が必要である。







« 中年期の野菜・ベリーや果物・魚・不飽和脂肪の食品などの健康的食生活は後の認知症を防ぐかもしれない。 | Main | アルツハイマー病は脳のどこの部位から始まり、どのように広がるか。 »