ArticleProbiotics and antimicrobial proteins2026
Evaluation of antioxidant activities of bioactive peptides extracted from Curcuma longa and Curcuma caesia from South-eastern and North-Eastern India.
Article in Probiotics and antimicrobial proteins, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Neuroprotective potential ofVeterinary world · 2026Review
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5 authors.
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Abstract
Turmeric, referred to as "Golden Spice of India," belongs to Zingiberaceae family is cultivated in South-eastern and North-eastern regions of India, where it displays the regional diversity. In this study, turmeric rhizomes of Curcuma longa (yellow turmeric) from the South-eastern India and Curcuma caesia (black turmeric) from North-eastern India were collected. Proteins from these rhizome samples were extracted by using four different pH based buffer systems. The sequentially purified peptide filtrates obtained through ultrafiltration with 10 kDa and 3 kDa cut off membranes were quantified and assessed for their antioxidant potential by FRAP, NOS, DPPH and ABTS assays. The results showed that the highest antioxidant activities were observed in the Phosphate (pH 7.0) and Tris-HCl (pH 8.0) buffers. Further analysis of the 3 kDa filtrates from both turmeric samples by using HPLC confirmed the presence of peptides, which were subsequently identified by MALDI-TOF MS. The peptides identified in this study exhibited the promising bioactive potential based on their sequences and showed the less cleaving potential evaluated by insilico peptideCutter analysis. Future research will focus on validating these activities through comprehensive experimental approaches, including cell-based antioxidant, mechanistic studies, and antimicrobial evaluations. Such investigations will be essential to confirm their biological relevance and to determine its suitability for nutraceutical applications.
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