结果表明，随原料级别的降低，所制罐装绿茶水中多酚类、儿茶素、咖啡碱、氨基酸的含量下降；
The results showed that contents of polyphenols, catechins, caffeine and amino acids decreased, off_flavor aroma got weak and tea cream decreased with the drop of raw material grade.
结果表明，特种紫茶在黄酮类、咖啡碱、锌和花青素含量上较对照要高，而茶氨酸和儿茶素总量则较对照低；
The results showed that the content of anthoxanthin, Zn, caffeine and anthocyanin in the special purple tea was higher than that in Yunkang 10, while that of theanine and catechin is lower.
如果母亲摄入过多的咖啡碱，或者怀疑宝宝对咖啡碱敏感，那么过量的咖啡碱应该是引起宝宝以上症状的原因。
If a mother is consuming more than this, or suspects the baby may have a sensitivity, then too much caffeine should be investigated as a cause for the baby's symptoms.
试验结果表明，超临界CO2萃取技术可以有效地脱除绿茶中大部分的咖啡碱；较佳的茶叶含水量为40%左右；
The results showed that much of caffeine in green tea could be removed using supercritical CO2 and better moisture content of green tea for extraction is 40%.
该速溶茶中的咖啡碱含量比未脱咖啡碱的速溶茶低80%以上，且茶多酚、氨基酸、水浸出物等风味物质的保留量高。
The caffeine content of the decaffeine instant tea is 80% lower than that ofthe nondecaffeine instant tea, and the polyphenols, amino acids, water, soluble materials are highly preserved.
白茶作为中国六大茶类之一，由于其特殊的加工工序，相较于其他茶类，保留了大量的茶多酚、茶氨酸、咖啡碱等营养成分。
White tea, as one of six tea, retains a large quantity of polyphenols, theanine, caffeine and other nutrients compared to other teas because of its unique procedures.
白茶作为中国六大茶类之一，由于其特殊的加工工序，相较于其他茶类，保留了大量的茶多酚、茶氨酸、咖啡碱等营养成分。
White tea, as one of six tea, retains a large quantity of polyphenols, theanine, caffeine and other nutrients compared to other teas because of its unique procedures.
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