ArticleJournal of ginseng research2026
Valorizing ginseng residues using dimethyl ether: Recovering functional lipids and ginsenosides.
Article in Journal of ginseng research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Red ginseng marc (RGM), a byproduct of hot water extraction, contains valuable lipid fractions and bioactive compounds. Conventional extraction methods often require harsh processing conditions and additional solvent removal steps, leading to high operational costs. Methods: Dimethyl ether (DME) was used as a green solvent to extract ginseng oil from RGM. Response surface methodology (RSM) was employed to investigate the effects of temperature (303-333 K), pressure (3-7 MPa), and extraction time (20-80 min) on extraction yield, total ginsenoside content, antioxidant activity, and total phenolic content (TPC) of the extracted oil. Results: Under optimal conditions (333 K, 7 MPa, 80 min), the extraction yield reached 3.37%, with total ginsenoside content of 4.22 mg g Conclusion: Extraction from wet RGM using DME resulted in higher ginsenoside content and extraction yield, but lower FAME content, compared to dry RGM. These findings highlight the potential of DME as a versatile, energy-efficient solvent for extracting bioactive ginseng oil from both dry and wet RGM, offering practical applications in the food and cosmetic industries.
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