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This research aims to assess the ability of endophytic bacteria from black beans to decolorize toxic textile dyes.

June 12, 2026ColorantsOpen Access

Decolorization of Textile Dyes Using Endophytic Bacteria Isolated from Black Bean (Phaseolus vulgaris L.)

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This research aims to assess the ability of endophytic bacteria from black beans to decolorize toxic textile dyes.
Fifteen halotolerant endophytic bacteria were isolated from black beans.
Bacterial growth and dye discoloration were evaluated on Tryptic Soy Agar at various concentrations.
Quantitative analysis of discoloration was performed using spectrophotometry in Tryptic Soy Broth.
Strains PV18 and PV114 achieved 91.69% and 88.72% discoloration of Malachite Green, respectively.
Strains PV57, PV107, and PV112 achieved approximately 45% discoloration for Congo Red.
Bacterial growth and discoloration were most effective in 50% TSA medium.

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Randomized trial evaluates dye decolorization by endophytic bacteria in textiles, suggesting potential for bioremediation.

Oliveira et al. (2026) studied this question.

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