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    • 5. 发明申请
    • PROCESS FOR LIQUID FOOD PRESERVATION USING PULSED ELECTRICAL FIELD TREATMENT
    • 用脉冲电场处理液体食品的方法
    • WO2017086784A1
    • 2017-05-26
    • PCT/NL2016/050799
    • 2016-11-17
    • STICHTING WAGENINGEN RESEARCH
    • TIMMERMANS, Rian Adriana HendrikaDE MORAES, Ricardo ErmirioMASTWIJK, Hendrikus Cornelis
    • A23L3/005A23C3/033A23L2/48A23B5/01C02F1/48
    • A23L3/005A23B5/01A23C3/033A23C3/0335A23L2/48A23L3/16A23L3/18
    • The present invention relates to a process for fast and homogeneously heating a liquid product to a predetermined temperature by means of resistive heating. According to the invention, sufficient and effective microbial inactivation is achieved upon applying an electrical field strength of between 0.1 - 5.0 kV/cm for a prolonged period of time, thus by selecting a relatively low electrical field strength and a pulse duration of at least 10 microseconds while the maximum temperature of the liquid product autonomously remains below 92°C during the resistive heating. The process of the invention is efficient at neutral pH and at pH below 7. Furthermore, the process of the invention is efficient in inactivating a broad array of relevant micro-organisms. The present invention further relates to said process wherein the liquid product is pre-heated prior to subjecting the liquid product to the process. The present invention also relates to the liquid product obtainable by the process according to the invention.
    • 本发明涉及通过电阻加热将液体产品快速均匀地加热到预定温度的方法。 根据本发明,通过在0.1-5.0kV / cm的电场强度下长时间施加电场强度,从而实现充分和有效的微生物灭活,因此通过选择相对低的电场强度和至少10的脉冲持续时间 微秒,而电阻加热期间液体产品的最高温度自主地保持在92℃以下。 本发明的方法在中性pH和低于7的pH下是有效的。此外,本发明的方法在灭活大量相关微生物方面是有效的。 本发明进一步涉及所述方法,其中液体产品在使液体产品进行过程之前被预热。 本发明还涉及通过根据本发明的方法可获得的液体产品。