absorption of certain frequencies of visible light.Colouring materials naturally present in cells of plants and animals (… in foods) į.4.2: Explain the occurrence of colour in naturally occurring pigments COLOUR (aka COLOR) is due to ….Artificial = tartrazine (see right) aka Yellow 5. Natural ex = saffron, paprika, caramel.Colouring materials that are synthetic or from other natural sources.Food Chemistry Chapter 17 in Green / Damjiiį.4.1: Distinguish between a dye and a pigment
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