Increasing Chocolate's Sugar Content Enhances Its Psychoactive Effects and Intake.

Area of Science:

• Neuroscience
• Food Science
• Addiction Research

Background:

• Chocolate activates brain regions and neurobiological substrates similar to substances of abuse.
• Understanding the psychoactive properties of chocolate constituents (sugar, cocoa, fat) is crucial for explaining its appeal.

Purpose of the Study:

• To investigate the dose-effect relationship between varying chocolate compositions and their psychoactive effects.
• To determine how sugar, cocoa, and fat content influence the brain's response to chocolate consumption.

Main Methods:

• Participants consumed 5g of chocolates with varying sugar and cocoa percentages (90%, 85%, 70% cocoa, milk chocolate).
• Psychoactive effects were measured using the Psychoactive Effects Questionnaire (PEQ), incorporating Morphine-Benzedrine Group (MBG), Morphine (M), and Excitement (E) subscales.
• Binge Eating Scale (BES) assessed addictive-like eating behavior post-consumption.

Main Results:

• A clear dose-effect relationship was observed, with increasing sugar content significantly enhancing psychoactive effects.
• Positive responses on the Excitement (E) subscale increased after 90% cocoa chocolate, while MBG and M subscales increased after 85% cocoa chocolate.
• No correlation was found between Binge Eating Scale scores and chocolate consumed or PEQ scores.

Conclusions:

• Incremental increases in chocolate's sugar content demonstrably enhance its psychoactive properties.
• These findings contribute to understanding chocolate's addictive-like appeal and its unique impact on brain activity.