Food Chemistry: X (Mar 2024)

Debittering of Emblica (Phyllanthus emblica L.) fruit powder: Preparation and biological activity

  • Lingyu Zhang,
  • Liting Lin,
  • Yunxuan Hu,
  • Daren Wu,
  • Zhengxiao Zhang,
  • Chaoxiang Chen,
  • Li Wang,
  • Jian Li

Journal volume & issue
Vol. 21
p. 100853

Abstract

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Emblica, also known as Phyllanthus emblica L., is a drug homologous food that is rich in polyphenols with various biological activities. However, its bitterness and astringency pose a significant challenge to its utilization in food products. In this study, we aimed to identify the optimal conditions for debittering Emblica. Our findings revealed that the best debittering conditions were: temperature = 50 °C, pH = 4, α-l-rhamnosidase concentration 200 U/g, and time = 5 h. High-performance liquid chromatography (HPLC) and molecular docking analysis revealed that enzymatic hydrolysis partially removed bitterness compounds. The results of antioxidant activity, xanthine oxidase, and α-glucosidase inhibitory activity assays confirmed that the Emblica fruit powder still exhibited good biological activity after enzymatic debitterization. Moreover, gastric fluids treatment might contribute to the above enhancing effect of enzymatic hydrolysates of Emblica. This study provided a theoretical basis for promoting the processing and utilization of Emblica fruit powder, as well as understanding its biological activity.

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