Innovative yoghurts: Novel processing technologies for improving acid milk gel texture

Consumers are demanding low-fat yoghurts without hydrocolloid stabilisers, but they are unwilling to compromise on texture for the sake of a ‘clean label’. Producing high quality low-fat yoghurt without stabilisers is challenging, and there is a need for new processing technologies to address consum...

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Veröffentlicht in:Trends in food science & technology 2013-09, Vol.33 (1), p.5-20
Hauptverfasser: Loveday, Simon M., Sarkar, Anwesha, Singh, Harjinder
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container_title Trends in food science & technology
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creator Loveday, Simon M.
Sarkar, Anwesha
Singh, Harjinder
description Consumers are demanding low-fat yoghurts without hydrocolloid stabilisers, but they are unwilling to compromise on texture for the sake of a ‘clean label’. Producing high quality low-fat yoghurt without stabilisers is challenging, and there is a need for new processing technologies to address consumer demand. Here we examine four technologies that can potentially improve the texture of yoghurt: high-pressure processing (HPP), high-pressure homogenisation (HPH), ultrasonic processing (USP) and protein crosslinking with the enzyme transglutaminase (TG). The benefits of HPH and USP depend on fat content, whilst HPP and TG work best in combination with other processes, and have strong potential for improving protein ingredients. •Consumers demand appealing low-fat yoghurt without texture enhancers.•Novel processing technologies can potentially meet this demand.•The mechanistic effects and industrial potential of four such technologies are reviewed.
doi_str_mv 10.1016/j.tifs.2013.06.007
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source ScienceDirect Journals (5 years ago - present)
subjects Biological and medical sciences
Cleaning
consumer demand
Consumers
crosslinking
Food industries
Foods
Fundamental and applied biological sciences. Psychology
gels
high pressure treatment
homogenization
Homogenizing
hydrocolloids
ingredients
lipid content
milk
Milk and cheese industries. Ice creams
protein-glutamine gamma-glutamyltransferase
Proteins
Surface layer
Texture
Yoghurt
yogurt
title Innovative yoghurts: Novel processing technologies for improving acid milk gel texture
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