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
Language and overseas Chinese communities Asia. Singapore has an ethnic Chinese majority population, with Mandarin recognized as one of its official languages. The Singaporean Chinese community do not consider themselves as 'overseas Chinese' but rather as 'Singaporean Chinese', with an emphasis on their national identification and distinct culture. Furthermore, simplified Chinese characters are used in contrast to other overseas Chinese communities, which almost exclusively use traditional Chinese characters. Although the majority of ethnic Chinese in Singapore are predominantly of Hokkien descent and Hokkien has historically been the most spoken Chinese variety, the government of Singapore discourages the usage of non-Mandarin Chinese varieties through the Speak