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Effect of Potato Pulp Pectic Polysaccharide on the Stability of Acidified Milk Drinks.


ABSTRACT: In order to broaden the application of potato pulp pectic polysaccharide (PPP) in stabilizing acidified milk drinks (AMDs) and investigate the stabilizing effect and physical properties of AMDs prepared with PPP, a comparative study was made among PPP, commercial high methoxyl pectin (HMP) and low methoxyl pectin (LMP). The zeta potential, rheology, particle size and serum separation of AMDs were evaluated after preparing with PPP, HMP and LMP, respectively. Results indicated that PPP led to lower serum separation than LMP (14.65% for AMDs prepared with 0.5% PPP compared to 25.05% for AMDs prepared with 0.5% LMP), but still higher than HMP (9.09% for AMDs prepared with 0.5% HMP). However, narrower particle size distribution and lower viscosity of AMDs was achieved by PPP than by LMP and HMP. PPP can electrostatically adsorb on the surface of casein and its abundant neutral sugar side chains would provide steric hindrance to prevent casein flocculation in AMDs. Our results might provide some new ideas for the application of PPP in improving the stability of AMDs.

SUBMITTER: Sun W 

PROVIDER: S-EPMC7731407 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Effect of Potato Pulp Pectic Polysaccharide on the Stability of Acidified Milk Drinks.

Sun Weixuan W   Yang Wenhan W   Zheng Yuxue Y   Zhang Huiling H   Fang Haitian H   Liu Donghong D   Kong Xiangli X   Chen Shiguo S   Ye Xingqian X   Tian Jinhu J  

Molecules (Basel, Switzerland) 20201130 23


In order to broaden the application of potato pulp pectic polysaccharide (PPP) in stabilizing acidified milk drinks (AMDs) and investigate the stabilizing effect and physical properties of AMDs prepared with PPP, a comparative study was made among PPP, commercial high methoxyl pectin (HMP) and low methoxyl pectin (LMP). The zeta potential, rheology, particle size and serum separation of AMDs were evaluated after preparing with PPP, HMP and LMP, respectively. Results indicated that PPP led to low  ...[more]

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