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Adebanji Olasupo Oluwole

Adebanji Olasupo Oluwole

Cape Peninsula University of Technology, South Africa

Title: Soya milk gelation with African catfish slime aliquots produces innovative integrated food emulsions


Biography: Adebanji Olasupo Oluwole


African catfish slime is an extremely dilute, elastic and integrated hydrogel that disperses evenly in milli-Q water. The slime consists of mucosal glycoproteins and elongated filaments that traps water used to defend African catfish from attacks. Attenuated Total Reflection (ATR)-Fourier Transform Infrared (FTIR) spectroscopy a non-destructive analytical technique was used to confirm the wavelength peaks of glycoprotein functional groups. Deformation studies on African catfish slime showed it to be a non-linear viscoelastic material that displayed, shear thinning and pseudo-plastic behavior. Aliquots of the African catfish slime were dissolved in commercial soya milk (10% and 50% w/v) to combine functions of a dispersion and emulsion with those of the hydrogel. The aliquots of the African catfish slime had strong interactions with soya milk and displayed higher stability and viscoelasticity. The higher storage modulus of African catfish slime and African catfish slime-commercial soya milk suggested greater degree of cross-linking and explained the higher stability. African catfish mucin led to bridging and allowed flocculation to occur in the emulsion thereby forming an integrated emulsion and particle gel Slime –Soya at low temperatures. The combination of African catfish slime and commercial soya milk (Slime-Soya) had tofu like consistency and the method could be potentially used to produce innovative food emulsions with tofu-like integrated structures.