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ĐIềU CHế AXIT ALGINIC GIỡU CáC HợP PHầN AXIT POLYMANNURONIC Vỡ AXIT POLYGULURONIC BằNG PHƯƠNG PHáP THủY PHÂN

Chu Dinh Kinh

Abstract


The alginic acids with rich polymannuronic (MM) and rich polyguluronic (GG) composition
have been prepared from Thua Thien Hue brown seaweeds by pH adjust method. The alginates
were hydrolyzed by hydrochloride acid under hydrothermal treatment. The alginic acid fractions
enriched in polymannuronic acid and polyguluronic acid were obtained by adjusting pH from 7 to
2. The obtained alginic acids were characterized by
1
H-NMR and XRD. The obtained alginic acid
with controllable structure has been expected feasible applications in medicine and agriculture.

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