Separation of saponins from quinoa bran by a novel single-column three-stage foam fractionation technology.

Lei Jia, Wei Liu, Xusheng Ge, Xiaoyan Miao, Kai Zhang

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In one paragraph

Article in Food chemistry: X, 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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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Lei JiaCollege of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000, Hebei, China.

Wei LiuSchool of Chemical Engineering and Technology, Hebei University of Technology, No.8 Guangrong Road, Dingzi Gu, Hongqiao District, Tianjin 300130, China.

Xusheng GeCollege of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000, Hebei, China.

Xiaoyan MiaoCollege of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000, Hebei, China.

Kai ZhangCollege of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000, Hebei, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study developed a novel single-column three-stage foam fractionation technology to separate saponins from quinoa bran. For efficient separating saponins from their highly concentrated aqueous solution (300 mg/L), large bubbles, multi-layered foam and small bubbles performed their own specific functions to achieve a high enrichment ratio of 7.1 and a high recovery percentage of 91.7%, respectively. Multi-layered foam could strengthen the foam drainage with a low liquid holdup of 0.5% and enhance the foam stability with a high half-life of 630 s simultaneously. FTIR and HPLC-MS were performed to analyze and characterize the ingredients of the product (mainly are triterpenoid saponins) and the purity of total saponins (91.9%). This work is expected to provide a simple and highly-efficient technology for the separation of natural surface-active substances and facilitate the industrial application of foam fractionation.

Indexed as

Bubble layerFoam fractionationQuinoa saponinsSeparation efficiency

Identifiers

PMID42164334

DOI10.1016/j.fochx.2026.103954

PMCPMC13185842

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.