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乌龙茶的机械振动摇青 被引量:7

Application of Mechanical Vibration in the Rocking Process of Oolong Tea
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摘要 利用高频率振动源,使青叶轻、快、匀地摩擦碰撞,叶缘细胞适度损伤和茶多酚酶促氧化。振动摇青的生产率比手工摇青提高3一4倍,相当于滚筒摇青机生产率的65%一80%,但其做青质量和毛茶品质均比滚筒摇青有显著提高,而接近手工摇青。 By using high frequency mechanical vibration,the slight,brisk and even friction and collision betweenwithered leaves could be achieved in the rocking process, resulting in the proper injury of the leaf margin tis-sue and the oxidation of polyphenols. The rocking by mechanical vibration got 4一5times productivity as thatby the orthodox method, or 65%一80%as that by the rolling rocking machines. The vibration rocking pro-duced much better quality of Oolong Tea than the rolling rocking, or similar quality as the orthodox rocking.
机构地区 福建农业大学
出处 《茶叶科学》 CAS CSCD 1994年第2期149-154,共6页 Journal of Tea Science
关键词 乌龙茶 机械振动 摇青 Oolong Tea Mechanical vibration Rocking Process
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