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The effects of flavor differences in food on the mind

A randomized, double-blind, crossover study on the effects of flavor differences in food on emotional and physiological indices - A randomized, double-blind, crossover study on the effects of different food flavors on emotional and physiological indices

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000060370
Enrollment
40
Registered
2026-01-15
Start date
2026-01-16
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy subjects

Interventions

A single intake of the test food (4g) in Phase I. After a washout period of at least one day, a single intake of the control food (4g) in Phase II. After another washout period of at least one day, in

Sponsors

Macromill, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Adult men and women aged 20 to 69 at the time of consent (2) Those who don't dislike milk chocolate (3) Those who self-report healthy (4) Those who have received sufficient information about the purpose and content of this study, are competent to consent, can fully understand the content, and can give their own consent through electromagnetic informed consent.

Exclusion criteria

Exclusion criteria: (1)Those who currently receiving medical treatment or medication from a doctor for any disease (chronic diseases such as diabetes or high blood pressure, digestive diseases such as gastrectomy, gastric ulcers or reflux esophagitis, malignant tumors, kidney disease, heart disease, etc.) (2)Those who currently taking or using any medication, including prescription or over-the-counter medications (excluding emergency medications) (3)Those who with taste disorders, hay fever or rhinitis symptoms (4)Those who are using medication for runny nose or nasal congestion (5)Those who using pacemakers (6)Those who with chronic oral diseases or symptoms (7)Those who undergoing dental treatment or wearing orthodontic appliances that may affect the evaluation (8)Those who are allergic to dairy or soy ingredients (9)Those who regularly use foods for specified health uses, functional foods, health foods, etc. that affect the autonomic nervous system (10)Those who have experienced a life event such as moving, changing jobs, or separation from a close relative within the three months prior to obtaining consent and may be under significant stress, or subjects who are scheduled to experience a similar life event during the study period. (11)Those who are planning to travel or go on a business trip of 7 days or more between October 2025 and March 13, 2026, or who may go on a business trip or travel (12)Those who Regular alcohol users: Generally, more than 60g of alcohol per day (13)Those who with extremely irregular sleeping or eating habits (14)Those who are currently participating in another clinical trial, or have participated within the past four weeks of obtaining consent, or those who plan to participate in another clinical trial during the study period (15)Women who are breastfeeding, pregnant, possibly pregnant, or intend to become pregnant during the study period (16)Other subjects who are judged by the investigator to be ineligible to be subjects

Design outcomes

Primary

MeasureTime frame
Subjective evaluation (VAS;Degree of "feel at ease")

Secondary

MeasureTime frame
(1) Frontal EEG (2) Earlobe plethysmography (3) Subjective evaluations (Paired comparison test,VAS;Other emotions and preferences)

Countries

Japan

Contacts

Public ContactAya Takahashi

Macromill, Inc. Clinical Trial Department, Life Science Division

ay_takahashi@macromill.com03-6716-0700

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026