Yam has the effects of nourishing and strengthening, helping digestion, astringing deficient sweating and stopping diarrhea, and is mainly used for treating chronic enteritis such as diarrhea due to spleen deficiency, cough due to lung deficiency, diabetes, short urination, nocturnal emission, women's leukorrhagia and dyspepsia. Yam is most suitable to be taken with Ganoderma lucidum, which has the function of preventing and treating diabetes. Yam has great development prospects in food industry and processing industry.
Taro, also known as taro and taro, is the underground bulb of Araceae plants. Its shape and meat quality vary with varieties, and small taro is usually eaten. Perennial tuberous plants, often cultivated as annual crops. Leaf blade peltate, petiole long and fat, green or purplish red; A short stem is formed at the base of the plant, which gradually accumulates nutrients and hypertrophy into fleshy bulbs, which are called "taro" or "mother taro", spherical, oval, oval or block. The mother taro has a brain bud in each node, but the axillary bud in the middle and lower nodes has the strongest activity, and it tillers for the first time, forming a small bulb called "son taro", and then "sun taro" occurs from the son taro, which can form great-grandson or great-grandson taro under suitable conditions.