Made from petroleum, red dye 40 is a synthetic food dye. Some studies suggest a link between red dye 40 and ADHD behavior; the dye might trigger or exacerbate behavioral changes in sensitive children.

Natural dyes from plants, insects, and minerals were used to add colour to fabrics, and mordants (substances like alum or iron salts) were introduced to improve dye retention, allowing pigment ...

Dyes most commonly studied are organized according to the different classes and similarities of functional groups, explaining how much they affect the degree of fragmentation. Fragmentation proposal ...

Leather Process Technology Department, Council of Scientific and Industrial Research-Central Leather Research Institute (CSIR-CLRI), Adyar, Chennai-600020, India Leather Process Technology Department, ...

The colour in our clothes has many serious environmental consequences, from the use of fossil fuel by-products to manufacture dyes to the heavily polluted water left after dyeing. But a UK-based ...

The dye’s vibrant red hue comes from alizarin in the bark, extracted by boiling the root with alkali, while the cloth is treated with alum as a mordant. The Sri Lankan chay root was known to be ...

Neither one of them ever thought they would end up doing this for a living. But here they are, Andrea and Jasmine Rahmel from ...

The rich pigment inspired her to develop a process of dyeing fabrics in flasks containing live violacein ... all without the need for a mordant—a setting agent that often consumes large amounts of ...

In fact, decorating eggs is a practice that dates to before Christianity. The exact moment that Christians started dyeing eggs has been lost to the annals of history, but it's been a part of Easter ...