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Position: Home > Articles > Study on Continous counterflow Extraction of Green Tea by L-Type Screw Extractor FOOD SCIENCE 2001,22 (11) 43-46

用L型螺旋浸取器对绿茶进行连续逆流浸取工艺的研究

作  者:
曹雁平;刘玉德
单  位:
北京工商大学机械自动化学院
关键词:
绿茶;连续逆流浸取;工艺
摘  要:
用L型螺旋式连续逆流浸取器研究了绿茶连续逆流浸取的工艺,并与两浸法间歇浸取工艺相对比,并在浸汁浓度、浸取率、浸取效率(用浸取能力值,F.E.A)和风味等方面进行了比较。在浸取温度85℃、浸取时间27.0min、水茶比为8.3的浸取条件下,连续逆流浸取的浸汁浓度为0.064kg/L、浸取率为83.2%、F.E.A为0.92g/L·min,浸汁风味与日常冲调绿茶相近,是间歇浸取工艺浸汁浓度的4.3倍、浸取率提高30%、浸取效率提高3.4倍。
译  名:
Study on Continous counterflow Extraction of Green Tea by L-Type Screw Extractor
作  者:
CaoYanping et al.
关键词:
Green tea Continous counterflow extraction Technology
摘  要:
The paper studied the continous counterflow extraction of green tea by L screw extractor Concevning the technology on baton extraction, the extracting density, extracting effciency, F.E.A and flavour.ware compared When the extracting temperacture was 85℃ , with 27.0 min time, the ratio of water and tea was 8.3, extracting density of continous counterflow extraction 0.064 kg/L, extracting ratio 83.2% 、 F.E.A 0.92 g/ L· min, and the flavour nice, in comparison with the batch extraction, extracting effciency increased 4.3 times, extracting ratio increased 30% and extracting effciency increased 3.4 times.

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