'Cheh Sek Tau' otherwise known as rice bean is used as a soup remedy to strengthen the back of those suffering from lower back pain. In the above photo, 2 types of rice bean is shown. The one on the left is dark maroon brown in color (bought in Malaysia) and the black colored beans (right) are from China. I suppose they are both rice bean but of a different species.
Lemongrass is very good for expelling air from the stomach. It is also widely used in the Asian confinement period to assist new mothers to rid themselves of the discomfort of bloating by belching and flatulence.