August 26, 2025FoodsOpen Access

Comparison of Flocculation Methods for Sodium Alginate and Characterization of Its Structure and Properties

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Comparison of flocculation methods influences sodium alginate properties in Lessonia nigrescens, indicating optimal extraction techniques.

Extraction yield reached 43.03% under optimal conditions, optimizing sodium alginate quality.
M/G ratios in sodium alginate samples varied from 5.73 to 8.76, revealing structural differences by raw material type.
Different flocculation methods ranked in effectiveness for molecular weight as follows: ethanol > acid > calcium.
The physicochemical properties of extracted sodium alginate align with China's GB 1886.243-2016 standards.

Shi et al. (2025) studied this question.

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Comparison of flocculation methods influences sodium alginate properties in Lessonia nigrescens, indicating optimal extraction techniques.