Atomic Absorption Spectroscopic Investigation of the Mineral Fraction of Pectins Obtained from Pumpkin and Sugar Beet
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چکیده
1 Laboratory of Structural Research Methods, Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 410015 Saratov, Russia 2 Laboratorio de Quimica Ambiental, Facultad Experimental de Ciencias, Universidad del Zulia, 4011 Maracaibo, Venezuela 3 Laboratoire des Mecanismes Reactionnels, Departement de Chimie, Ecole Polytechnique, CNRS LIRA 1307, F-91128 Palaiseau Cedex, France 4 Laboratory of Food Polysaccharides, Lower Volga Research Institute of Animal Husbandry and Biotechnology, Russian Academy of Agricultural Sciences, 410020 Saratov, Russia 5 Laboratory of Biochemistry, Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 410015 Saratov, Russia
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Effect of extraction conditions on the yield, purity and surface properties of sugar beet pulp pectin extracts
The extraction of pectins from sugar beet pulp was carried out in an aqueous acid medium under different conditions using a full twostate experimental design for three extraction parameters (pH, temperature and time). The yields of the extracted pectins ranged from 4.1% to 16.2%. Their contents in pectin constituents were 35.2–76.3% galacturonic acid, 6.8–32.9% neutral sugars, 2.0–4.2% methoxy ...
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تاریخ انتشار 1997