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
Customs and etiquette in Chinese dining in Chinese countries, there is no tip required unless it is explicitly posted. Usually, if there is a tip required, it will already be on the bill. In Chinese restaurants in the US though, tips are usually expected. It is a common sight for families to fight for the bill, as paying the bill symbolizes generosity and sincerity. Customs and etiquette in Chinese dining Customs and etiquette in Chinese dining are the traditional behaviors observed while eating in Greater China. Traditional Han customs have spread throughout East Asia, but sometimes evolved differently especially following the Communist revolution that produced the