Creep and dynamic rheological behavior of tomato concentrates: Effect of concentration and finisher screen size

Byoungseung Yoo; M. A. Rao

doi:10.1111/j.1745-4603.1996.tb00087.x

Creep and dynamic rheological behavior of tomato concentrates: Effect of concentration and finisher screen size

Byoungseung Yoo, M. A. Rao

Department of Food Science & Biotechnology

Cornell University

Research output: Contribution to journal › Article › peer-review

68 Scopus citations

Abstract

Based on laser diffraction, pulp particles > 900 μm were detected in tomato concentrates; particles greater than 100-200 μn were found in serum from a concentrate. Creep-compliance and dynamic rheological data showed that viscoelastic properties of 21° Brix tomato concentrates using a 0.84 mm finisher screen were higher than those from a 0.69 mm screen. Both types of viscoelastic properties were sensitive to increase in concentration in that they increased with increase in Brix of the concentrates. Magnitudes of instantaneous modulus (G₀ = 1/J₀) of the tomato concentrates were of the same order of magnitude as the storage modulus (G′) at 1 rad s^-1.

Original language	English
Pages (from-to)	451-459
Number of pages	9
Journal	Journal of Texture Studies
Volume	27
Issue number	4
DOIs	https://doi.org/10.1111/j.1745-4603.1996.tb00087.x
State	Published - Sep 1996

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abstract = "Based on laser diffraction, pulp particles > 900 μm were detected in tomato concentrates; particles greater than 100-200 μn were found in serum from a concentrate. Creep-compliance and dynamic rheological data showed that viscoelastic properties of 21° Brix tomato concentrates using a 0.84 mm finisher screen were higher than those from a 0.69 mm screen. Both types of viscoelastic properties were sensitive to increase in concentration in that they increased with increase in Brix of the concentrates. Magnitudes of instantaneous modulus (G0 = 1/J0) of the tomato concentrates were of the same order of magnitude as the storage modulus (G′) at 1 rad s-1.",

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N2 - Based on laser diffraction, pulp particles > 900 μm were detected in tomato concentrates; particles greater than 100-200 μn were found in serum from a concentrate. Creep-compliance and dynamic rheological data showed that viscoelastic properties of 21° Brix tomato concentrates using a 0.84 mm finisher screen were higher than those from a 0.69 mm screen. Both types of viscoelastic properties were sensitive to increase in concentration in that they increased with increase in Brix of the concentrates. Magnitudes of instantaneous modulus (G0 = 1/J0) of the tomato concentrates were of the same order of magnitude as the storage modulus (G′) at 1 rad s-1.

AB - Based on laser diffraction, pulp particles > 900 μm were detected in tomato concentrates; particles greater than 100-200 μn were found in serum from a concentrate. Creep-compliance and dynamic rheological data showed that viscoelastic properties of 21° Brix tomato concentrates using a 0.84 mm finisher screen were higher than those from a 0.69 mm screen. Both types of viscoelastic properties were sensitive to increase in concentration in that they increased with increase in Brix of the concentrates. Magnitudes of instantaneous modulus (G0 = 1/J0) of the tomato concentrates were of the same order of magnitude as the storage modulus (G′) at 1 rad s-1.

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ER -

Creep and dynamic rheological behavior of tomato concentrates: Effect of concentration and finisher screen size

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