Volume 8, Issue 4 (winter 2005)
jwss 2005, 8(4): 145-156 |
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B. Maherani, M. Barzegar, M. A. Sahari, H. Dehghan. Optimization of Extraction Conditions of an Iranian Flaxseed Gum Using the Response Surface Method. jwss 2005; 8 (4) :145-156
URL: http://jstnar.iut.ac.ir/article-1-309-en.html
URL: http://jstnar.iut.ac.ir/article-1-309-en.html
Abstract: (31437 Views)
Aqueous extraction of gum from flaxseed was optimized using Response Surface Methodology (RSM). In this study the effect of temperature (45-100 °C), pH (3-7) and water/seed ratio (4-24), on the dependent variables including: yield, protein and apparent viscosity of extracted gum were investigated. The results showed that temperature and pH are two major effective factors on yield and quality of extracted gum (purity and apparent viscosity), whereas water/seed ratio had minor effects. The optimized conditions of extraction were as follows: temperature 85- 90 oC pH 6.5- 7.0 and water/seed ratio 14. Apparent viscosities of extracted gums were determined and the effect of extraction conditions on rheological properties of flaxseed gum was investigated.
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