Onion is ranked third in the vegetable production all over the world. Apart from offering its special pungency to the culinary preps, it also has numerous medicinal values. Onion and its varied products are widely used in numerous food preparations in every corner of the globe. Now the evolution in technology has made it possible to create and prepare various preparations from onion, instead of using it just raw. The unique flavour and smell of onion has made it an inseparable ingredient of most of the dishes. Another addition to this range is ‘dehydrated white onion powder’ that is used to enhance the taste and flavour of several food delicacies.
The dehydrated white onion powder is widely used for salads, mixes, dry soups and in canned/frozen/dried vegetable mixes. Other than these, it can also be used wherever large garlic or onion pieces are required. In retail packs these are used extensively and also used for repacking in the retail stores. This powder can be availed in various granule sizes and people can order and avail the sizes according to their specific needs.
From a very long time people are trying and innovating various procedures and technologies for processing and preserving various vegetables, including onion. Onion dehydration can be done by solar drying, convective air drying, osmotic drying, vacuum microwave drying and infrared drying. Extensive research has been happening for many years to optimize the drying procedures for availing the best fragrance and taste from the dehydrated white onion powder.Drying kinetics and quality parameters have been used in various combinations for achieving the best quality of onion powder by the researchers.
In all the tropical countries, onion is one of the major food ingredients in most of the delicacies. Onion is a good vegetable that is also helpful in cancer, cataract and cardiovascular diseases due to its antioxidant, thrombolytic and hypercholesterolemic qualities. Dehydrated onion powderis used all over the world since onions are very low in calories and still add a lot of flavour to any food prep. It has moderate amount of fibre, fat and protein and a very good amount of calcium, phosphorous and vitamins. The dehydrated version of onion is easy to use and store for a long period of time. In a dehydrated form onions are dried from its initial 86% of water content to just 7%. This dehydration offers effective processing and storage for onion and also makes it possible to convert it into a fine powder. UK, Russia, Japan and many other western countries have extensive demand for these dried onion products.