Colour retention agents are
food additives
Food additives are substances added to food to preserve flavor or enhance taste, appearance, or other sensory qualities. Some additives have been used for centuries as part of an effort to preserve food, for example vinegar (pickling), salt (sal ...
that are added to food to prevent the colour from changing. Many of them work by absorbing or binding to oxygen before it can damage food (
antioxidants
Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals. This can lead to polymerization and other chain reactions. They are frequently added to industrial products, such as fuels and lubricants, ...
). For example,
ascorbic acid (
vitamin
A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrie ...
C) is often added to brightly coloured fruits such as
peach
The peach (''Prunus persica'') is a deciduous tree first domesticated and cultivated in Zhejiang province of Eastern China. It bears edible juicy fruits with various characteristics, most called peaches and others (the glossy-skinned, non-f ...
es during
canning.
List of colour retention agent
Notes
See also
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Artificial sweetener
A sugar substitute is a food additive that provides a sweetness like that of sugar while containing significantly less food energy than sugar-based sweeteners, making it a zero-calorie () or low-calorie sweetener. Artificial sweeteners may b ...
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Acidity regulator
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Codex Alimentarius
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E number
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Food colouring
Food coloring, or color additive, is any dye, pigment, or substance that imparts color when it is added to food or drink. They come in many forms consisting of liquids, powders, gels, and pastes. Food coloring is used in both commercial food ...
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Food safety
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List of antioxidants in food
This is a list of antioxidants naturally occurring in food. Vitamin C and vitamin E – which are ubiquitous among raw plant foods – are confirmed as dietary antioxidants, whereas vitamin A becomes an antioxidant following metabolism of p ...
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List of food additives
Food additives are substances added to food to preserve flavor or enhance its taste, appearance, or other qualities.
Purposes
Additives are used for many purposes but the main uses are:
;Acids : Food acids are added to make flavors "sharper", ...
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List of food additives, Codex Alimentarius
The International Numbering System for Food Additives (INS) is a European-based naming system for food additives, aimed at providing a short designation of what may be a lengthy actual name."Class Names and the International Numbering System for F ...
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List of fruits
This list contains the names of fruits that are considered edible either raw or in some cuisines. The word "fruit" is used in several different ways. The definition of fruit for this list is a culinary fruit, that is, "Any sweet, edible part of ...
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List of vegetables
This is a list of plants that have a culinary role as vegetables. "Vegetable" can be used in several senses, including culinary, botanical and legal. This list includes botanical fruits such as pumpkins, and does not include herbs, spices, cer ...
Food additives
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