Plasma-Assisted Extraction of Polysaccharides from Siegesbeckia orientalis L.: Optimization, Purification, and Structural Characterization

June 24, 2026PolymersOpen Access

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Key Points

The study aims to optimize the extraction of polysaccharides from Siegesbeckia orientalis L. using plasma assistance.
Optimized low-temperature plasma extraction with single-factor experiments and response surface methodology.
Purified polysaccharides using column chromatography to isolate the SIE-III fraction.
Characterized the structure of the extracted polysaccharides using various analytical techniques.
Achieved a polysaccharide yield of 15.68% using optimized plasma extraction compared to conventional methods.
Identified SIE-III with a molecular weight of 20.831 kDa, primarily composed of galactose and rhamnose.
Confirmed structural features including rhamnogalacturonan-I domains and specific glycosidic linkages.

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Demonstrates enhanced polysaccharide yield in Siegesbeckia orientalis L. with plasma extraction, suggesting new applications.

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Li et al. (2026) studied this question.

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