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In batch fryers, the frying oil has to be replaced quite often as it is sensitive to temperature changes. Continuous vacuum fryers lead to a longer lifetime of the frying oil and therefore lower the production costs. Vacuum fryers can also reduce oil content in fried foods. The amount of reduced oil
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Journal of Food
Engineering Volume 55, Issue 2, November 2002, Pages 181-191, "Vacuum frying of potato chips" By Jagoba Garayo & Rosana Moreira, Department of Biological and Agricultural Engineering, Texas A & M University, College Station - TX - 77843-2117, USA Received 31 October 2001,
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Vacuum fryers allow food items to be fried at lower temperatures by lowering the pressure inside the chamber. This allows the frying of heat-sensitive foods that would have otherwise been burned in the normal
161:) batch type vacuum fryers are mainly used for the production of fruit chips. However, these machines are only appropriate for relatively small production companies.
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Granda, C.; Moreira, R.g.; Tichy, S.e. (1 October 2004). "Reduction of
Acrylamide Formation in Potato Chips by Low-temperature Vacuum Frying".
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is significantly lower than in standard atmospheric fryers, where the frying temperature is approximately 170 °C (338 °F). The
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chamber. With vacuum frying it is easier to maintain natural colors and flavours of the finished product. Due to the lower
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absorption of the products is also reported to be lower than in atmospheric fryers. In
Southeast Asia (mainly the
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For larger production quantities, continuous vacuum fryers are available. In these installations, the
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Proceedings of
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applied (approximately 130 °C (266 °F)), the formation of suspected
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vacuum tube. The infeed of the raw product is carried out through a rotary
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Gupta, Abhishek; Choudhari, Amit; Kadaka, Taha; Rayar, Pavan (2019).
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Engineering
Agriculture at Texas A&M: The First Hundred Years
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content, usually 1–3%, depends on the type of vacuum fryer.
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at lower pressure. As pressure decreases below that of the
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Accepted 5 February 2002, Available online 12 March 2002.
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463:"Harvest Bay uses vacuum frying for snack products"
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350:"Design and Analysis of Vertical Vacuum Fryer"
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394:"91C-19 Vacuum frying of potato chips"
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