Dong qua Pi is also known as Chinese Wax Gourd Peel. The sweet and cool herb has been used in TCM as diuretic agent and to treat diabetes,etc., as it resolves edema, etc, by enhancing the functions of spleen and small intestine channels   Ingredients 1. E-2-hexe-nal 2. n-hexenal 3. n-hexyl formate 4. 2, 5-dimethylpyra-zine …