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<p>The critical role of gut micro-biota in human health and disease management is realized by medical science. Therefore, selective stimulation of the beneficial gut bacteria is promoted by prebiotics, non-digestible food components that selectively stimulate their growth. The present study aimed to analyze the prebiotic properties of Tiger nut (<i>Cyperus esculentus</i> L<i>.</i>), an underutilized tuber having excellent nutritional properties. <i>C. esculentus</i> bulb hot water extract (CEBex) precipitated by 95% ethanol was analyzed under <i>in-vitro</i> and <i>in-vivo</i> conditions using a rat model. Nuclear magnetic resonance (NMR) and Fourier transform infrared spectroscopy (FTIR) techniques explained their components and structural characteristics. The extract showed potent scavenging activity against DPPH radicals (58.43% at 1&#xa0;mg/mL), and ABTS (53.67% at 1&#xa0;mg/mL). The extract exhibited low digestibility, increased the <i>Lacticaseibacillus casei</i> growth by 70%, reduced the <i>E. coli</i> biofilm formation (63%) and showed antibacterial (MIC:200-600&#xa0;µg/mL) and antifungal (MIC:200–3000&#xa0;µg/mL activity). The CEBex ability to control induced diarrhea in rats demonstrates CEBex potential as a promising prebiotic source.</p>

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Prebiotic and medicinal potential of Cyperus esculentus bulbs (Tiger Nut) to improve gut microflora

  • 期刊论文

  • 发表日期：

    2025年7月22日

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  • Pashupati Nath Shukla,
  • Pooja Gaur,
  • Kunwar Sarvendra,
  • Ch. V. Rao,
  • Poonam C. Singh

摘要

The critical role of gut micro-biota in human health and disease management is realized by medical science. Therefore, selective stimulation of the beneficial gut bacteria is promoted by prebiotics, non-digestible food components that selectively stimulate their growth. The present study aimed to analyze the prebiotic properties of Tiger nut (Cyperus esculentus L.), an underutilized tuber having excellent nutritional properties. C. esculentus bulb hot water extract (CEBex) precipitated by 95% ethanol was analyzed under in-vitro and in-vivo conditions using a rat model. Nuclear magnetic resonance (NMR) and Fourier transform infrared spectroscopy (FTIR) techniques explained their components and structural characteristics. The extract showed potent scavenging activity against DPPH radicals (58.43% at 1 mg/mL), and ABTS (53.67% at 1 mg/mL). The extract exhibited low digestibility, increased the Lacticaseibacillus casei growth by 70%, reduced the E. coli biofilm formation (63%) and showed antibacterial (MIC:200-600 µg/mL) and antifungal (MIC:200–3000 µg/mL activity). The CEBex ability to control induced diarrhea in rats demonstrates CEBex potential as a promising prebiotic source.