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首页> 外文会议>5th IIR international conference on sustainability and cold chain >MEASUREMENT OF FOOD DEHYDRATION DURING FREEZING: DEVELOPMENT OF AN EXPERIMENTAL TOOL AND APPLICATION TO TYLOSE
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MEASUREMENT OF FOOD DEHYDRATION DURING FREEZING: DEVELOPMENT OF AN EXPERIMENTAL TOOL AND APPLICATION TO TYLOSE

机译：冷冻过程中食品脱水的测量：实验工具的开发及其在甲苯磺酸中的应用

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摘要

When unpackaged foods are frozen, they lose water due to interactions with the surrounding media. Thisrndehydration results in weight loss between 0% and 6% according to the product and the freezing process.rnThis leads to quality and financial losses. A laboratory scale freezing cabinet was developed to measure foodrndehydration for various operating conditions from mechanical to cryogenic ones using liquid nitrogen.rnExperimental measurements were carried out with tylose plates as a food model material. The results showrnthat the equipment offers a uniform gas flow velocity adjustable from 0 to 9 m/s and a uniform gasrntemperature adjustable from room temperature to -100℃. It was found that tylose weight loss can bernestimated with a good reproducibility and that it is influenced by operating conditions. Based on these results,rnthe developed tool might be useful to provide reproducible experimental data for real cases of foodrndehydration during processing.
机译：冷冻未包装食品时，由于与周围介质的相互作用，它们会失去水分。根据产品和冷冻过程的不同，这种脱水会导致重量减少0％至6％。这会导致质量和财务损失。开发了实验室规模的冷冻柜以使用液氮从机械到低温条件下测量食品在各种操作条件下的脱水情况。使用直板平板作为食品模型材料进行实验测量。结果表明，该设备提供了从0到9 m / s可调的均匀气体流速和从室温到-100℃可调的均匀气体温度。已经发现，可以以良好的再现性来重新确定基糖的重量损失，并且它受到操作条件的影响。基于这些结果，开发的工具可能对于为加工过程中食品脱水的实际案例提供可再现的实验数据很有用。

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  • 会议地点 0151-1637
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    Violette MULOT; Hayat BENKHELIFA; Didier PATHIER; Fatou-Toutie NDOYE; Denis FLICK;

  • 作者单位

    IRSTEA, Génie des Procédés Frigorifiques (GPAN)Antony, 92160, France, violette.mulot@irstea.fr AgroParisTech, Inra, Université Paris-Saclay,UMR Ingénierie, Procédés, Aliments (GENIAL)Massy, 91300, France Air Liquide, Paris-Saclay Research CenterJouy-en-Josas, 78350, France;

    IRSTEA, Génie des Procédés Frigorifiques (GPAN)Antony, 92160, France,AgroParisTech, Inra, Université Paris-Saclay,UMR Ingénierie, Procédés, Aliments (GENIAL)Massy, 91300, France;

    Air Liquide, Paris-Saclay Research CenterJouy-en-Josas, 78350, France;

    IRSTEA, Génie des Procédés Frigorifiques (GPAN)Antony, 92160, France;

    IRSTEA, Génie des Procédés Frigorifiques (GPAN)Antony, 92160, France AgroParisTech, Inra, Université Paris-Saclay,UMR Ingénierie, Procédés, Aliments (GENIAL)Massy, 91300, France;

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