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Related Experiment Video

Updated: May 27, 2026

Analysis and Specification of Starch Granule Size Distributions

Analysis and Specification of Starch Granule Size Distributions

Published on: March 4, 2021

The mathematical relationship between dishware size and portion size.

Iain Stephen Pratt¹, Emma Jane Croager, Michael Rosenberg

¹Education and Research Division, Cancer Council Western Australia, 15 Bedbrook Place, Shenton Park, WA 6008, Australia. spratt@cancerwa.asn.au

|November 9, 2011

Summary

Larger dishware sizes significantly increase meal energy content, potentially contributing to overconsumption. This highlights dishware size as a key factor in dietary energy intake strategies.

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Area of Science:

Nutrition Science
Mathematical Modeling
Public Health

Background:

Portion sizes have increased substantially over recent decades.
Dishware size is an underappreciated factor influencing food portion sizes and energy intake.
Understanding the relationship between dishware and energy consumption is crucial for public health.

Purpose of the Study:

To investigate the impact of dishware size on the potential energy available in meals.
To model the relationship between plate dimensions, food energy density, and total meal energy.
To compare modeled energy intake with Australian dietary guidelines.

Main Methods:

Utilized mathematical models to simulate food placement on plates (flat and conical fillings).
Varied plate sizes and food energy densities in the models.
Modeled bowl filling scenarios as well.
Compared potential energy intake to recommended daily energy requirements.

Main Results:

Even minor increases in dishware size can lead to significant increases in available meal energy.
The effect is more pronounced with energy-dense foods.
Modeled scenarios demonstrated potential for substantial energy overconsumption based on dishware size.

Conclusions:

Dishware size is a critical, yet often overlooked, determinant of energy consumption.
Strategies to combat overconsumption should incorporate considerations of dishware dimensions.
Public health initiatives may benefit from addressing the role of plate and bowl sizes in dietary habits.