1, Luffa is cold, and it is rented for diarrhea. People with spleen and stomach deficiency should eat it carefully. Loofah is also not suitable for eating in large quantities, and eating too much will damage yang. It is recommended to eat 1 to 2 pieces a day.

2. Luffa originated in Indonesia and was introduced to China at the end of the Tang Dynasty. "Compendium of Materia Medica" wrote: "Loofah, unknown before the Tang and Song Dynasties, is found in both the north and the south today, thinking it is a regular vegetable. Plant in February, and the seedlings will spread trees and bamboos, or make scaffolding. " It is an annual climbing herb of Luffa in Cucurbitaceae, which blooms yellow flowers from May to July every year and bears fruit from June to September. Luffa is a kind of fruit, often drooping, long cylindrical, green with pink white when young, with dark green longitudinal stripes, yellow-green or green-brown when ripe, and tough reticular fibers are endogenous in the pulp. The seeds are oblong, flat and black. The tender towel gourd is picked in summer and autumn, which is a good vegetable and a medicine. Old loofah is picked after autumn, and can be used as medicine, washing pots, bathing, etc.