Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session K40: DFD III
3:00 PM–5:48 PM,
Tuesday, March 5, 2024
Room: 103F
Sponsoring
Unit:
DFD
Chair: Lei Fang, University of Pittsburgh
Abstract: K40.00013 : Drainage of real and vegan milk foams*
5:24 PM–5:36 PM
Presenter:
Lena Hassan
(University of Illinois at Chicago)
Authors:
Lena Hassan
(University of Illinois at Chicago)
Monse Reynoso
(University of Illinois at Chicago)
Karim Al Zahabi
(University of Illinois at Chicago)
Ramiro Maldonado
(University of Illinois at Chicago)
Chenxian Xu
(University of Illinois Chicago)
Reed Nicholson
(Motif Foodworks)
Michael Boehm
(Motif Foodworks)
Stefan Baier
(Motif Foodworks)
Vivek Sharma
(University of Illinois Chicago)
and whey. The life and death of these desirable foams are scripted primarily by the forces that
drive the drainage and rupture of the thin foam films that separate individual gas pockets. In this
study, the bulk foam drainage kinetics of two animal-based milks (cow and goat) was compared
to popularly sold plant-based milks: almond, oat, soy, pea, coconut, and rice. Foam creation
methods involving mechanical agitation (via electric frother) and sparging (via dynamic foam
analyzer) at different temperatures were employed and compared to obtain quantitative measures
of foamability and foam stability of the various milks. An understanding of the temperature-
dependent differences in bulk drainage behavior for animal and plant-based milks sheds light
onto the macromolecular interactions and networks of proteins/lipids at liquid-air interfaces and
can ultimately lead to the improvement of vegan milks.
*Motif FoodWorks,Inc.
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