Stringiness of Hyaluronic Acid Emulsions

TL;DR

This study investigates how the molecular weight of hyaluronic acid influences the stringiness of emulsions, revealing that higher molecular weight and stretching speed enhance filament formation, which impacts product appeal.

Contribution

It demonstrates the specific effects of hyaluronic acid molecular weight and stretching speed on emulsion stringiness, a novel insight for formulation design.

Findings

High molecular weight hyaluronic acid increases emulsion stringiness.

Higher stretching speeds promote filament formation.

Molecular weight and stretching speed are key control parameters.

Abstract

In this work, we underline the importance of the molecular weight of hyaluronic acid on the elongational properties of concentrated emulsions. The filament formation properties, e.g. the stringiness, of an emulsion is a key determinant of a product liking and repeat purchase. Here, we find that high molecular weight hyaluronic acid and a high stretching speed are the control parameters affecting the filament formation of an emulsion.