Characteristics of shoot growth and fresh leaves of tea variety Rongchunlu
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摘要: 榕春绿(暂定名)属特早生芽密型茶树新品系,1芽1叶3月2-8日开采,全年可采5轮20多批次,至12月上旬结束,历时275d左右。叶色黄绿,茸毛较少,叶中等偏小,椭圆形,叶芽匀整。首轮芽叶适制高级扁形茶,鲜叶嫩采产量高,早采制优率高。1芽1叶鲜叶水浸出物含量45.69%、茶多酚35.54%、游离氨基酸4.47%、咖啡碱5.06%、黄酮类6.11mg·g-1、叶绿素0.79mg·g-1、可溶性总糖4.07%、酚氨比7.95。榕春绿具有高茶多酚、高氨基酸含量、低叶绿素含量的生化特性。Abstract: Rongchunlü (a temporary name) is a new tea variety with early-flushing with dense shoots.The raw material with one bud and one leaf can be picked as early as on March 2 to 8.Five rounds with more than twenty times of picking can be taken annually.The picking period lasts about 275 days and ends in the first ten-day of December.The leaf is yellow-green and elliptic with fewer downs and middle to small size.The leaves of the first round picking suit to be processed into green tea especially the thin and flat green tea.The yield of tenderly picked shoots and leaves is quite high.The early picked shoots and leaves could be processed into the high quality tea.The raw material with one bud and one leaf (fresh)contained 45.69% of water soluble matter, 35.54% of polyphenols, 4.47% of free amino acid, 5.06% of caffeine, 6.11 mg ·g-1 of flavones, 0.79 mg ·g-1 of chlorophyll, 4.07% water soluble carbohydrate, respectively, and with a ratio of the polyphenols to the free amino acid being 7.95.Rongchunlu is a tea of especially early-shooting and rich in polyphenols and amino-acids.
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Key words:
- Tea /
- Rongchunlü /
- Phonological period /
- Biochemical Characteristic
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