Longjing tea from bluish to deep green after steeping. Before infusion, higher quality Longjing teas have a very tight, flat shape and light green color. A study by Wang and Ruan (2009) found that one aspect of the perceived low quality of Longjing teas was a higher concentration of chlorophyll, producing a darker green color. The study revealed that free amino acids and theanine concentrations contribute positively to what is perceived as a good taste. Longjing tea was granted the status of Gong Cha, or imperial tea, in the Qing dynasty by the Kangxi Emperor. According to the legend, The Kangxi Emperor's
Chinese Arctic and Antarctic Administration Chinese Arctic and Antarctic Administration The Chinese Arctic and Antarctic Administration (CAA) (previously the Chinese Antarctic Administration of the State Antarctic Research Committee) is a Beijing-based agency of the People's Republic of China's State Oceanic Administration (SOA). Established in 1981, it organizes China's scientific program for both the Arctic and Antarctic, and it provides logistic support to Antarctic expeditions. There are several; divisions, including General Affairs, Operation & Logistics, Science Programs, International Cooperation, representation in the Chinese Embassy in Chile, and a Winter Training Base. The director is Qu Tanzhou. The CAA organizes, coordinates and supervises China's polar program. As