Identification of protein-polysaccharide nanoparticles carrying hepatoprotective bioactives in freshwater clam (Corbicula fluminea Muller) soup

Zhaoshuo Yu, Guanzhen Gao, Huiqin Wang, Lijing Ke, Jianwu Zhou, Pingfan Rao, Tianbao Chen, Zhangwen Peng, Jianqiao Zou, Sihao Luo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
28 Downloads (Pure)

Abstract

Bioactives can impact food function either by their dosage or by their forms of dispersion, though the latter remains mostly neglected. Here we report the incidental nanoparticles (iNPs) carrying hepatoprotective bioactives identified in freshwater clam (Corbicula fluminea Muller) soup, which is a folk remedy for liver conditions in East Asia. The soup was fractionated into two iNPs containing fractions with high yield (95.8%) in 35 min by gel chromatography. With hydrodynamic diameter (Dh) range from 40 nm to 149 nm, iNPs were mainly constituted by carbohydrates and proteins. Notably, the majority of bioactives, e.g. taurine (63.2%), ornithine (68.1%) and phytosterols (60.0%), was determined to be carried by the iNPs. It suggested a possible mechanism of elevated delivery and absorption of bioactives, explaining why the clam soup can work at the bioactive concentrations way lower than the individual compound. These iNPs have great potential to be developed into a functional food with most potent nutraceutical effects.
Original languageEnglish
JournalInternational Journal of Biological Macromolecules
Early online date13 Feb 2020
DOIs
Publication statusEarly online date - 13 Feb 2020

Keywords

  • Bioactives carrier; Freshwater clam soup; incidental nanoparticles

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