What are food flavours?

What are the Food Flavours

Food Flavours are the sensory phenomenon in which combination of the sensations of taste, odour, aroma and texture or “mouthfeel”. Or The food flavours are the liquid, solid extract and this added to food and changes its Taste and aroma.

Appearance of a food is vital however it’s the Food flavours that ultimately determines its quality and acceptability. Natural flavouring materials such as spices, essential oils and fruit juices are used for long in food preparations.

However as their offer has not well-kept with the demand, with conse quent rise in their price, natural flavourer agents are mostly substituted by artificial ones.

Thousands of those artificial compounds are currently being used as food additives. There are four basic tastes: salty, sweet, bitter and bitter.

Sodium chloride is that the only salt that contains a pure salty taste. Besides impartation flavour to food, it’s conjointly a vital nutrient.

Different salts have totally different tastes, e.g., some iodides and bromides are bitter whereas some salts of lead and glucinium are sweet.

Sugars are used a lot of to impart sweetness than flavour to food. Levulose present in honey is that the sweetest sugar followed by saccharose and aldohexose. Whereas disaccharide in milk is slightly sweet and offers less flavour.

Natural sweet compounds are usually polyhydroxy compounds with a open chain structure, like Sugars, and therefore the hexahydroxy cyclic alcohols, water pill and sorbitol.

Various compounds, like sweetener, some peptides and cylcamates are sweet. Sourness of food is due to the presence of organic acids of that acid, salt and malic ar the foremost common.

Food Flavours compounds

What are food flavours?

The substances in the main answerable for the aroma of food merchandise are volatile compounds.

These may be open-chain esters, aldehydes and are present in fruit and different natural foods in terribly low concentration. A number of the important teams of flavourer compounds are as under

1) Flavonoids

Flavonoids are answerable for the flavour of the many fruits, e.g., orange, lemon and grapefruit peels contain variety of flavanone glycosides.

Among these, hesperidin (orange and lemon) and naringenin (grapefruit) ar the foremost common. Hesperidin is sort of tasteless, whereas naringenin has a very bitter taste.

2) Terpenoids

What are food flavours?

Terpenoids are ubiquitous in plant foods. they’re the main parts of citrus oils and contribute to the flavour of citrus fruits.

Limonene, a monoterpene organic compound, possessing a lemon-like odour constitutes or so ninety per cent of most citrus oils.

Present ventilated terpenes (mainly alcohols, aldehydes and ketones) offer the characteristic flavour of individual citrus species, e.g., neral and geranial of lemons and nootkatone of grapefruit.

In the presence of air or dissolved gas terpenes endure structural changes and association, thus citrus juice concentrates ready by low-temperature vacuum evaporation are superior in flavour than those processed at high temperatures.

3) Sulphur compounds

Certain volatile sulphur-containing compounds possens powerful and distinctive odours that contribute to each the pleasant and unpleasant aroma of the many foods, e.g., vegetables happiness

4) Variety of alternative

Necessary volatile components contribute to the aroma of foods. In terms of aroma, foods will be classified into four teams, namely,

(i) Those during which aroma is especially because of one compound. e.g., banana (isopentyl acetate), orange (citral), almond (benzaldehyde);

(ii) Those during which aroma is due to a mix of some compounds, of that one is that the major part, e.g., apple (2-methyl butyrate and four minor components);

(iii) Those during which aroma will be reproduced depend by the utilization of an oversize range of compounds, like pineapple, walnut; and

(iv) Those during which aroma can’t be fairly reproduced by a mixture of specific compounds, e.g., strawberries, chocolate.

These volatile compounds will be classified into the subsequent necessary groups:

(A) Carbonyl compounds

Acetaldehyde contributes to the odour of butter, hexanal to that of apples, benzaldehyde is chargeable for the aroma of almonds, cherries and peaches and geranial for that of lemon.

Amongst ketones. 2,3-butanedione contributes to the aroma of butter, celery and a few alternative foods. Acetophenone is chargeable for the flavour of the many foods.

(B) Acids

Some acids have powerful odours. ethanoic acid provides its characteristic odour to vinegar, and 2-methylbutyric acid to cranberries.

(C) Esters

The aroma of fruits is additionally because of esters, e.g., pentyl valerate , methyl salicylate , pentyl acetate (banana), octyl acetate , alkyl butyrate, group acetate.

Amongst the phenols, phenol itself contributes to the aroma of some cheeses. Vinyl guaiacol is present in several foods.

Eugenol is a very important part of oil of cloves however is additionally widely distribute and thymol is chargeable for the odour of tangerine.

Moreover, variety of odoriferous amines, and oxygen, gas and sulphur heterocyclics are elements of varied foods.

Types of food flavours

What are food flavours?

The flavours of processed foods may be broadly classified into 3 varieties viz., Developed, Processed and adscititious.

1) Developed food flavours

Flavour compounds that are form food process is also either solids or volatiles and will originate from,

(i) Fractionation, notably throughout the manufacture of perfumes, and

(ii) Decomposition or different reactions of food parts.

2) Processed food flavours

Heating changes the flavour of the many foods deeply, e.g., low beans, peanuts, meat.

3) Added food flavours

These are adscititious to confectionery, non-alcoholic bever ages and different ready foods, and are of 2 varieties.

(i) Essential oils or oleoresins or different extracts of aromatic plants, e.g..Flavour additives

In case of bound flavours the substances responsible for them are tough or not possible to isolate from natural sources like strawberry, cherry and beans.

These natural flavours have, therefore, to be imitated as so much as doable by combining variety of flavorer agents, natural and/or artificial.

The success of such associate imitation is additional a matter of art than of science and is judg by the consumers preference for the seasoning product.

Each essential oils and artificial flavorer agents be utilise in accordance with smart producing follow the salient points of that are:

(i) The quantity added shall not exceed that moderately needed to accomplish the intended result.

(ii) Substances which will become a part of the food as a results of manufactur ing shall be unbroken as low as doable.

(iii) The substance shall be of fine grade.

Moreover, a flavorer agent might not be adscititious to a food that there’s a customary, unless the quality includes it.


I hope you may get all the information concerning about what are food flavours, when reading my article. After this, if you got any doubt then i will be able to help you tell me the comments section.

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