Cotyledon of Perilla frutescens is an annual erect herb, and its height often exceeds 1 m. Stems green or purple, square column, with 4 blunt edges, villous.

The leaves are opposite, herbaceous, broadly ovoid or nearly round, 7 ~13cm long and 4.5 ~10cm wide, with short or sharp tips, a wide wedge-shaped to round base, with torn coarse serrations on the edges, purple on both sides or purple on the lower side, and fluff on the upper side and fluff on the lower side; The petiole is 3 ~ 5 cm long.

Extended data

Efficacy and function of perilla cotyledon

1. stomach nourishing function: it has the function of warming the stomach and can be used to treat stomach cold. And has good curative effect.

2. Runchang laxative: it can promote intestinal peristalsis and help digestion, which is a good choice for constipation patients.

3. Eliminating phlegm and relieving cough: It can be used to treat colds. Perilla frutescens leaves have a good moisturizing and physical therapy effect on the throat, which is conducive to the cure of local inflammation and can relieve local itching, thus blocking cough reflex and helping to relieve cough and phlegm.

4. Antipyretic effect: Oral administration of perilla leaf decoction and soaking agent 2g/kg to rabbits with fever caused by typhoid mixed vaccine has weak antipyretic effect.

5. Antibacterial effect: Perilla leaves can inhibit the growth of staphylococcus in vitro.

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