Water-soluble polysaccharides of Opuntia ficus-indica cv “Burbank's Spineless” |
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| Authors: | Berit Smestad Paulsen Per Steinar Lund |
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| Institution: | Department of Pharmacognosy, Institute of Pharmacy, University of Oslo, P.B. 1068 Blindern, Oslo 3, Norway |
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| Abstract: | Carbohydrate-containing polymers have been extracted with water from the fleshy, lobed stems of Opuntia ficus-indica cv “Burbank's Spineless”. By ion exchange chromatography, the material was separated into one neutral and two acidic fractions. Each fraction was separated in two by gel filtration. The neutral fractions consisted of two glucans and a glycoprotein, containing arabinose and galactose. All four acidic fractions contained galacturonic acid, arabinose, rhamnose, galactose and xylose in different proportions. The cell wall structure of O. ficus-indica is discussed. |
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| Keywords: | Cactaceae polysaccharide glycoprotein pectin cell wall structure |
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