Polyphenol is a much abused term. Strictly speaking, 90% of tea polyphenols are catechins, so the two terms are almost synonymous. However, for reasons I do not yet understand, this word has been used interchangeably with green tea extract.A standardized green tea extract contains only about 30% catechins.owever, what makes these catechins important is not their potency, but their abundance. About half of the catechin content of tea is EGCG. Just a small quantity of tea leaves will steep many cups of tea. It is this relative abundance that makes green tea special.
ORC is a realistic racing simulator that is based on real world cars using a physics engine that was developed in partnership with a formula 1 team. This means that the simulator has been tried by a team of formula 1 engineers and tested by a formula 1 driver to ensure maximum realism.
The Optimized Row Columnar (ORC) file format provides a highly efficient way to store Hive data. It was designed to overcome limitations of the other Hive file formats. Using ORC files improves performance when Hive is reading, writing, and processing data.