AN INVESTIGATING OF SOME RHEOLOGICAL PROPERTIES OF GARDEN CRESS SEED MUCILAGE

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FARAHNAKY A.; ASKARI H.; BAKHTIYARI M.

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Journal: Iranian Journal of Biosystems Engineering Year:2011 | Volume:42 | Issue:1 Page(s): 113-120

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Title

AN INVESTIGATING OF SOME RHEOLOGICAL PROPERTIES OF GARDEN CRESS SEED MUCILAGE

Author(s)

FARAHNAKY A. | ASKARI H. | BAKHTIYARI M. | Issue Writer Certificate

Keywords

RHEOLOGICAL PROPERTIESQ2

GARDEN CRESSQ2

MUCILAGEQ2

SHEAR THINNINGQ2

VISCOSITYQ3

Abstract

Rhelogical properties of MUCILAGE extracted from GARDEN CRESS (Lepidium sativum L.) seeds as influenced by gum concentration (0.4, 0.6, 0.8 and 1.0% w/w), temperature (5, 25 and 40oC), as well as pH (2.5, 4, 7 and 10) were investigated. Non-Newtonian SHEAR THINNING flow behavour was observed with the Power law model well describing the rheological behavior of the solutions. Increasing the solution concentrations increased the VISCOSITY and pseudoplasticity while an increase in temperature resulted in a decrease in VISCOSITY and pseudoplasticity. A marked dependence of VISCOSITY on pH was also observed. As pH increased from 2.5 to 7, the VISCOSITY increased whearas it started to decrease at pH 10. To study the structural aspects of the MUCILAGE gum it was characterized through FT-IR with the results indicating that GARDEN CRESS seed gum contained carboxylic groups on the backbone of its polymer.

Cites

INVESTIGATION ON PHYSICOCHEMICAL AND RHEOLOGICAL PROPERTIES OF MALVA LEAVES GUM (MALVA NEGLECTA)

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APA: Copy

FARAHNAKY, A., ASKARI, H., & BAKHTIYARI, M.. (2011). AN INVESTIGATING OF SOME RHEOLOGICAL PROPERTIES OF GARDEN CRESS SEED MUCILAGE. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 42(1), 113-120. SID. https://sid.ir/paper/144288/en

Vancouver: Copy

FARAHNAKY A., ASKARI H., BAKHTIYARI M.. AN INVESTIGATING OF SOME RHEOLOGICAL PROPERTIES OF GARDEN CRESS SEED MUCILAGE. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2011;42(1):113-120. Available from: https://sid.ir/paper/144288/en

IEEE: Copy

A. FARAHNAKY, H. ASKARI, and M. BAKHTIYARI, “AN INVESTIGATING OF SOME RHEOLOGICAL PROPERTIES OF GARDEN CRESS SEED MUCILAGE,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 42, no. 1, pp. 113–120, 2011, [Online]. Available: https://sid.ir/paper/144288/en

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