What role does Momordica grosvenori, lotus leaf, rose and lemon have in soaking in water?

Momordica grosvenori, lotus leaf, rose and lemon soaked in water can play different roles according to their respective dosage.

Siraitia grosvenorii is sweet, good at clearing heat and moistening lung, resolving phlegm and relieving cough;

Lotus leaf tastes sweet and flat, and is good at ascending and descending turbidity;

Rose fragrance, good at soothing the liver and relieving depression, eliminating troubles;

Lemon tastes sour and nourishes the liver and stomach.

The use should vary from person to person, and a small amount of tea should be made.