The potential of breadnut (Artocarpus camansi) seed extract as a natural mordant and crude dye extract from spent coffee grounds ( coffea sp.) for textile/ Kethlin M. Bignotea, Monique Angela S. Dayao, and Jonathan M. Musong .--

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Bignotea, Kethlin M [author ]

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TextPublication details: Manila: Technological University of the Philippines, 2024.Description: ix, 126pages: 29cm. +1 CD-ROM (4 3/4in.)Content type:

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BTH RB 37 B54 2024

Dissertation note: College of Science.-- Bachelor of Applied Science in Laboratory Technology: Technological University of the Philippines, 2024. Summary: Spent coffee grounds, a byproduct of one of the most consumed beverages globally, pose an environmental concern due to disposal issues. Meanwhile, breadnut fruit, rich in phenolic compounds, offers diverse industrial applications. This study investigates the use of breadnut (Artocarpus camansi) seed extract as a natural mordant and spent coffee grounds (Coffea sp.) as a crude dye extract for textile dyeing. The methodology involved extracting phenolic-rich mordant from breadnut seeds using ethanol and dye from spent coffee grounds using water, with yields of 2.28% and 1.01%, respectively. Cotton fabrics were treated with these extracts through mordanting and dyeing for 30, 60, and 90 minutes. FTIR analysis revealed O-H, C-H, C=O, and C-O bonds. Phytochemical screening identified tannins, phenols, flavonoids, alkaloids, and saponins in the breadnut seed extract. Microscopic analysis showed more uniform dye distribution and better dye fixation in natural mordant-treated fabrics than in those treated with synthetic mordants. Natural mordant-treated fabrics achieved an average colorfastness grade of 3.83, compared to 1.67 for synthetic mordant-treated fabrics, with the highest color retention (rating of 4.2) observed at 90 minutes of dyeing. This study demonstrates the viability of using natural mordants and dyes for sustainable textile applications, promoting environmental sustainability and reducing reliance on harmful synthetic chemicals.

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Thesis (undergraduate)

College of Science.-- Bachelor of Applied Science in Laboratory Technology: Technological University of the Philippines, 2024.

Includes bibliography:

Spent coffee grounds, a byproduct of one of the most consumed beverages globally, pose
an environmental concern due to disposal issues. Meanwhile, breadnut fruit, rich in
phenolic compounds, offers diverse industrial applications. This study investigates the
use of breadnut (Artocarpus camansi) seed extract as a natural mordant and spent coffee
grounds (Coffea sp.) as a crude dye extract for textile dyeing. The methodology involved
extracting phenolic-rich mordant from breadnut seeds using ethanol and dye from spent
coffee grounds using water, with yields of 2.28% and 1.01%, respectively. Cotton fabrics
were treated with these extracts through mordanting and dyeing for 30, 60, and 90
minutes. FTIR analysis revealed O-H, C-H, C=O, and C-O bonds. Phytochemical
screening identified tannins, phenols, flavonoids, alkaloids, and saponins in the breadnut
seed extract. Microscopic analysis showed more uniform dye distribution and better dye
fixation in natural mordant-treated fabrics than in those treated with synthetic mordants.
Natural mordant-treated fabrics achieved an average colorfastness grade of 3.83,
compared to 1.67 for synthetic mordant-treated fabrics, with the highest color retention
(rating of 4.2) observed at 90 minutes of dyeing. This study demonstrates the viability of
using natural mordants and dyes for sustainable textile applications, promoting
environmental sustainability and reducing reliance on harmful synthetic chemicals.

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