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Phytochemical profiling and cellular antioxidant efficacy of different rice varieties in colorectal adenocarcinoma cells exposed to oxidative stress

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Listed:
  • Akanksha Tyagi
  • Umair Shabbir
  • Xiuqin Chen
  • Ramachandran Chelliah
  • Fazle Elahi
  • Hun Ju Ham
  • Deog-Hwan Oh

Abstract

In the present study, white (Baegilmi), brown (hyunmi) and black (chalheugmi) Korean local rice varieties ethanol extracts were analyzed for in-vitro antioxidant assays (ABTS, FRAP and DPPH), cellular antioxidant activities (CAAs) and phenolic phytochemicals content. The highest antioxidant assays, phenolic, flavonoid and anthocyanins content were identified among the free fractions of black rice. Phenolic phytochemicals were detected and quantified using the ultra-high-performance liquid tandem chromatography quadrupole flight mass spectrometry (UHPLC-Q-TOF-MS2). Which indicated the richness of several phytochemicals like ascorbic acid, vanillic acid, p-coumaric acid, catechin, epigallocatechin and quercetin in black rice than in other rice samples. The cellular antioxidant activities (CAA) of black rice were found equivalent to that of ascorbic acid, the standard employed in the assay. The CAAs of free fractions were as follows: white rice

Suggested Citation

  • Akanksha Tyagi & Umair Shabbir & Xiuqin Chen & Ramachandran Chelliah & Fazle Elahi & Hun Ju Ham & Deog-Hwan Oh, 2022. "Phytochemical profiling and cellular antioxidant efficacy of different rice varieties in colorectal adenocarcinoma cells exposed to oxidative stress," PLOS ONE, Public Library of Science, vol. 17(6), pages 1-16, June.
    • Handle: RePEc:plo:pone00:0269403
    DOI: 10.1371/journal.pone.0269403
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