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Particle Sizing of Masticated Tree Nuts - Pistachios and Brazils

NCT02497768 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2016-03-09

No results posted yet for this study

Summary

The investigators want to understand how oral processing (chewing) of nuts affects particle size and the presence of lipid (fat) on the cut surfaces.

The main objective of the study is to:

Measure the size of nut particles that have been chewed sufficiently to be swallowed.

The secondary objective of this study is to:

Measure any changes in lipid content due to chewing and compare it to a prediction from a theoretical model.

The investigators have developed a theoretical model for determining the release of nutrients from plant foods, specifically lipid (fat) from almonds. The model has been used to calculate the amount of lipid released from chewed almonds. The model shows that only about 10% of the lipid is immediately released. The investigators require information on the particle size distribution (number of particles of each size) for other chewed nuts to calculate the amount of lipid released for other nuts. This will allow us to check the validity of our model for other foods.

Conditions

  • Healthy

Interventions

OTHER

Chewing of nuts

The volunteers will be asked to chew and spit 8 portions (4-5 g) of nuts (pistachios or Brazils) on two separate visits. They will provide samples for particle sizing. Two portions will be used as practice samples in order to measure the number of chews. Two portions will be sieved. Two portions will be measured by laser diffraction. Two portions will be frozen for later lipid analysis.

Sponsors & Collaborators

Principal Investigators

  • Sarah EE Berry, BSc MSc PhD · King's College London

Study Design

Allocation
NA
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2015-06-30
Primary Completion
2015-08-31
Completion
2016-04-30

Countries

  • United Kingdom

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02497768 on ClinicalTrials.gov