Thesis
The Effect of Different Hydrocolloids as Stabilizer on Physicochemical and Sensorial properties of Oat Milk
stability, primarily due to their colloidal dispersion structure, which tends to separate due to
gravitational force. In this study, different types of hydrocolloids include xanthan gum, guar
gum, gellan gum, and carrageenan were added to oat milk at 0.05% concentration to minimize
separation tendency as well as improving its physicochemical and sensorial properties. The
measurement of viscosity, total soluble solids, pH, color, sedimentation and sensory (9-point
hedonic scale) was performed in this study. The addition of hydrocolloids was found to
increase the viscosity and TSS significantly while decreasing the WI (p0.05). The sedimentation rate
decreased significantly with the addition of hydrocolloid (p
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