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 gods and immortals texts, and specifically Confucian, Taoist and other philosophical formulations, is fundamentally monistic, that is to say it sees the world and the gods who produce it as an organic whole, or cosmos. The universal principle that gives origin to the world is conceived as transcendent and immanent to creation, at the same time. The Chinese idea of the universal God is expressed in different ways; there are many names of God from the different sources of Chinese tradition. The radical Chinese terms for the universal God are "Tiān" 天 and "Shàngdì" 上帝 (the "Highest Deity") or simply "Dì" 帝 ("Deity").