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2011•International Journal of Dairy TechnologyRequires access

The physicochemical characteristics of nonfat set yoghurt containing some hydrocolloids

KAMILLA AVELINO LUNARDELLO, Fábio Yamashita, Marta de Toledo Benassi, Christiane Maciel Vasconcellos Barros de Rensis

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Abstract

The effect of incorporating the hydrocolloids carrageenan (0.10%, 0.30%), xanthan gum (0.15%, 0.35%) and alginate (0.05%, 0.15%) in nonfat set yoghurt was examined in respect of instrumental texture profile and water‐holding capacity (WHC) of the yoghurt. The yoghurts which exhibited the similar behaviour of commercial yoghurts in terms of WHC, firmness and consistency, low adhesiveness and gumminess were analysed by difference‐from‐control sensory test. Carrageenan increased firmness, adhesiveness, gumminess and WHC at the highest concentration tested. The sensory tests did not show any significant difference between the formulations tested.

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What this paper is about

The effect of incorporating the hydrocolloids carrageenan (0.10%, 0.30%), xanthan gum (0.15%, 0.35%) and alginate (0.05%, 0.15%) in nonfat set yoghurt was examined in respect of instrumental texture profile and water‐holding capacity (WHC) of the yoghurt. The yoghurts which exhibited the similar behaviour of commercial yoghurts in terms of WHC, firmness and consistency, low adhesiveness and gumminess were analysed by difference‐from‐control sensory test. Carrageenan increased firmness, adhesiveness, gumminess and WHC at the highest concentration tested. The sensory tests did not show any significant difference between the formulations tested.

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Available abstract

The effect of incorporating the hydrocolloids carrageenan (0.10%, 0.30%), xanthan gum (0.15%, 0.35%) and alginate (0.05%, 0.15%) in nonfat set yoghurt was examined in respect of instrumental texture profile and water‐holding capacity (WHC) of the yoghurt. The yoghurts which exhibited the similar behaviour of commercial yoghurts in terms of WHC, firmness and consistency, low adhesiveness and gumminess were analysed by difference‐from‐control sensory test. Carrageenan increased firmness, adhesiveness, gumminess and WHC at the highest concentration tested. The sensory tests did not show any significant difference between the formulations tested.

Key concepts: Food science, Carrageenan, Xanthan gum, Water holding capacity, Chemistry, Significant difference, Syneresis, Mathematics

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