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Microwave-assisted air dehydration of apple and mushroom
SIK – Institutet för livsmedel och bioteknik.
SIK – Institutet för livsmedel och bioteknik.
1998 (English)In: Journal of Food Engineering, ISSN 0260-8774, E-ISSN 1873-5770, Vol. 38, no 3, 353-367 p.Article in journal (Refereed)
Abstract [en]

Microwave-assisted hot-air dehydration of apple and mushroom was performed with low-power microwave energy. The purpose of the investigation was to compare hot-air drying and microwave-assisted hot-air drying. The air velocity, the microwave output power and the air temperature were the variables in the experiments. The microwave energy was supplied by either microwave applicators with transverse magnetic (TM) modes as dominant modes, or by a multimode cavity microwave oven. The quality parameters were rehydration capacity, bulk density, and colour. Low air velocity caused a browning of the products and a minimum air velocity of 1 m/s was identified. It was possible to reduce the drying time by a factor of two for apple and a factor of four for mushroom by using microwave-assisted hot-air drying. Rehydration capacity was 20-25% better for TM applicator-dried apples and mushrooms than for multimode cavity dried ones. © 1999 Elsevier Science Limited. All rights reserved.

Place, publisher, year, edition, pages
1998. Vol. 38, no 3, 353-367 p.
Keyword [en]
Food Engineering
Keyword [sv]
Livsmedelsteknik
National Category
Food Science
Identifiers
URN: urn:nbn:se:ri:diva-8902OAI: oai:DiVA.org:ri-8902DiVA: diva2:966775
Available from: 2016-09-08 Created: 2016-09-08Bibliographically approved

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