This is the 10035th most frequent Polish word.
barwników
"Dyes" or "colorants."
In this sentence, 'barwników' refers to chemical substances added to foods to change their color.
Przemysł spożywczy używa wielu barwników do barwienia jedzenia.
The food industry uses many colorants to dye food.
Here, 'barwników' denotes measurable quantities of dye substances used in a formula.
Pomyłka w naliczaniu barwników spowodowała nietypowy odcień produktu.
A mistake in the calculation of colorants caused an unusual shade of the product.
The word 'barwników' in this context is used as a general term for color-inducing substances that can have health implications.