Table 5: Influence of the gas flow rate on the properties of liquid foams obtained in the continuous process using NAGU with the formulation CS/WPI/HAp (, ).

Gas flow rate (mL min-1)Rheological propertiesDensity (kg m-3) (μm)


CS: chitosan; WPI: whey protein isolate; HAp: hydroxyapatite; : flow behaviour index; : consistency index; : foaming efficacy; : bubble size; : liquid flow rate; : rotating speed. Each assay was done in triplicate, and data are expressed as means (± standard deviation).