Development of paper based colorimetric method using pigment from red dragon fruit for determination of Cu and Fe

Development of paper based colorimetric method using pigment from red dragon fruit for determination of Cu and Fe

Abstract Betalain, a natural pigment found in red dragon fruit, has been proposed as a natural reagent for metal detection. In the present study, this pigment was extracted and used as a colorimetric reagent for Cu and Fe on a paper-based analytical device (PAD) and then applied to water samples. Th...

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Bibliographic Details
Main Authors: Rimadani Pratiwi, Raspati Dewi Mulyaningsih, Aliya Nur Hasanah
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Subjects:
Betalain
Copper
Iron
Colorimetric detection
Paper analytical device
Online Access:https://doi.org/10.1038/s41598-025-98693-7
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