Effects of High-Pressure Homogenization on the Structural, Physical, and Rheological Properties of Lily Pulp

文献类型: 外文期刊

第一作者: Liu, Jie

作者: Liu, Jie;Wang, Xinyu;Yang, Lvzhu;Ding, Shenghua;Liu, Jie;Wang, Xinyu;Yang, Lvzhu;Shan, Yang;Zhang, Qun;Ding, Shenghua;Wang, Rongrong

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关键词: high-pressure homogenization; lily pulp; physical properties; rheological properties

期刊名称:FOODS ( 影响因子:4.35; 五年影响因子:4.957 )

ISSN:

年卷期: 2019 年 8 卷 10 期

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收录情况: SCI

摘要: The effects of high-pressure homogenization (HPH) on the structural, physical, and rheological properties of lily pulp (15%, w/w) were investigated. Different pressures ranging from 0 MPa to 100 MPa were used. The focus was on evaluating the changes in the particle size distribution (PSD), structure, pulp sedimentation behavior, serum cloudiness (SC), total soluble solids (TSS), color, and rheological behavior of the pulps. PSD analysis showed that the diameter of suspended lily particles significantly decreased with an increasing homogenization pressure. The suspended particles observed through optical microscopy became small after homogenization, highlighting the effect of HPH on disrupting the suspended particles. Compared with the untreated pulp, the SC and sedimentation velocity of the homogenized pulps decreased due to the disruption of the suspended particles. The effects of HPH on the sedimentation index and SC exhibited an asymptotic behavior similar to that of the changes in the particle size of lily pulp. Moreover, HPH processing reduced the viscosity of lily pulp and increased the TSS and lightness of the homogenized pulps. HPH significantly modified the structural, physical, and rheological properties of lily pulp. The pulp homogenized above 60 MPa had good suspension stability. This finding indicates that HPH technology can be used to improve the stability of lily pulp.

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