Ascents™ Curb No. 23: Research Abstracts for Component Oils

Effect of olfactory stimulation with flavor of grapefruit oil and lemon oil on the activity of sympathetic branch in the white adipose tissue of the epididymis.


Exp Biol Med (Maywood). 2003 Nov;228(10):1190-2.

Niijima A(1), Nagai K.

Author information:
(1)Niigata University School of Medicine, Asahimachi-dori, Niigata 951-8510, Japan. anathome@med.niigata-u.ac.jp

It has been mentioned in the field of aromatherapy that the fragrance of grapefruit has a refreshing and exciting effect, which suggests an activation of sympathetic nerve activity. It also can be assumed that the activation of sympathetic nerve innervating the white adipose tissue (WAT) facilitates lipolysis, then results in a suppression of body weight gain. This study addressed the effect of olfactory stimulation with the scent of grapefruit oil and lemon oil on the efferent nerve activity in the sympathetic branch of the WAT of the epididymis in the anesthetized rat. The results of the experiments demonstrated that the flavor of the citron group increased sympathetic nerve activity to WAT in anaesthetized rat, which suggests an increase in lipolysis and a suppression in body weight gain.

PMID: 14610259  [PubMed - indexed for MEDLINE]



 

Effects of Peppermint Scent on Appetite Control and Caloric Intake.


Wheeling Jesuit University -- 2007

Alex Reed, Jude Almeida, Ben Wershing, and Bryan Raudenbush

Previous research indicates that inhalation of certain scents may reduce hunger levels.  The present study evaluated hunger levels during peppermint inhalation vs. non-inhalation, in addition to actual food consumption and dietary evaluation (e.g., fat intake, caloric intake, vitamin and mineral intake, etc.) over a period of two weeks.  In a within-subjects design, participants completed a peppermint inhalation condition (administered every 2 hours) and a non-inhalation condition.  Each condition was performed for 5 days during separate weeks.  During the protocol, participant rated their hunger level every two hours and completed a food diary listing everything they consumed for the two five-day periods.  Results indicate participants consumed significantly fewer total calories, calories from saturated fat, total fat, and sugar during the peppermint inhalation condition.  Participants also rated their hunger level significantly lower during peppermint inhalation.  The primary implication of these results is that peppermint scent can be used as an effective adjunct to decrease appetite, decrease hunger cravings, and consume fewer calories, which may lead to weight reduction and greater overall health.

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