evidence-based blog of Filippo Dibari

Composition and Properties of Aquafaba: Water Recovered from Commercially Canned Chickpeas.

In Over-nutrition, Under-nutrition on September 30, 2018 at 4:37 am

by Shim YY1, Mustafa R2, Shen J2, Ratanapariyanuch K2, Reaney MJT3.

J Vis Exp. 2018 Feb 10;(132). doi: 10.3791/56305.

Abstract

Chickpea and other pulses are commonly sold as canned products packed in a thick solution or a brine. This solution has recently been shown to produce stable foams and emulsions, and can act as a thickener.

Recently interest in this product has been enhanced through the internet where it is proposed that this solution, now called aquafaba by a growing community, can be used a replacement for egg and milk protein.

As aquafaba is both new and being developed by an internet based community little is known of its composition or properties. Aquafaba was recovered from 10 commercial canned chickpea products and correlations among aquafaba composition, density, viscosity and foaming properties were investigated.

Proton NMR was used to characterize aquafaba composition before and after ultrafiltration through membranes with different molecular weight cut offs (MWCOs of 3, 10, or 50 kDa). A protocol for electrophoresis, and peptide mass fingerprinting is also presented. Those methods provided valuable information regarding components responsible for aquafaba functional properties.

This information will allow the development of practices to produce standard commercial aquafaba products and may help consumers select products of superior or consistent utility.

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