In order to study the effect of high pressure on the quality of fresh pear juice, heating combined high pressure are conducted on fresh pear juice.
为了探讨高压对鲜榨梨汁品质的影响,对鲜榨犁汁产品进行了热协同高压处理。
Research on effect of ultra high pressure treatment on activity of PPO in fresh peach juice;
超高压处理对鲜榨桃汁中多酚氧化酶(PPO)活力影响的研究
) in fresh peach juice made by heating at high pressure during 120-day storage were analyzed by HPLC.
通过HPLC等方法分析用热协同超高压加工的鲜榨桃汁中酚类和Vc等物质在贮藏中的变化,发现果汁在贮藏中发生的非酶褐变主要是由酚类的氧化聚合而引起,可通过低温贮藏加以控制。
Effect of high pressure on the number of microbes and polyphenols in fresh apple juice;
高压处理对鲜榨苹果汁中微生物和酚类影响的研究
The effect of 400MPa,300MPa pressure combined 50℃ heating and only heating at 50℃ for 10 min on the quality of fresh apple juice with anti-browning reagent added during the storage at 4℃ was studied using the HPLC and other assessment methods.
采用HPLC等分析方法研究了400MPa单独处理,50℃协同300MPa处理和50℃单独处理对含防褐变剂鲜榨苹果汁在4℃贮藏时品质的影响。
The ultrahigh pressure technology alone or combined with heating was used in processing fresh apple juice and the its effect on PPO activity in juice was studied.
使用超高压技术单独或协同热对鲜榨苹果汁进行处理,研究对其中多酚氧化酶(PPO)的影响。