Spices are aromatic vegetable products which are used in powder form to flavour various confections and, more generally, as a condiment for seasoning food. These powders consist of the vegetable tissue of certain plants which have been dried and ground or pulverized by heavy machinery. The aromas and strong pungent flavours of spices are due to the presence of particular essential oils and glucosides. Owing to their strong odour and flavour, they are comparatively easy to adulterate with worthless material, such as the shells and husks of various nuts. The adulterant is seldom harmful in itself, but it reduces considerably the flavouring value of the spices. Another form of adulteration consists in extraction of the essential oils with alcohol to obtain the essence; then the residue is ground to a powder and sold as spice.
KeywordsRice Flour Poppy Seed White Pepper Cinnamic Aldehyde Coriander Seed
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