Sentence:  Aquafaba was recovered from 10 commercial canned chickpea products and correlations among aquafaba composition, <WSD>density</WSD>, 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). 
Meaning of the word marked with <WSD> tags:  (physics: amount of matter contained by a given volume) A measure of the mass of matter contained by a unit volume.