The efficacy and function of roselle

Roselle is a common Chinese medicinal material with great health benefits. It also has certain effects on some diseases. We need to choose according to our own needs. Many people in life don’t know much about Roselle, so let’s analyze it below.

【English name】 Roselle Calyx

[Alias] Red golden plum, red plum fruit, Roselle sunflower, Roselle sunflower.

[Source] Medicinal material source: The commensal calyx of Roselle, a plant of the Malvaceae family.

[Original form] Roselle is an annual upright herb, up to 2m tall. Stems lavender, glabrous. Leaves are heteromorphic; petioles are 2-8cm long, sparsely covered with long soft hairs; stipules are linear, about 1cm long, sparsely covered with long soft hairs; the lower leaves are ovate, undivided, the upper leaves are palmately 3-parted, the lobes are lanceolate, 2-8cm long, 5-15mm wide, serrate, obtuse or acuminate at the apex, rounded to broadly cuneate at the base, glabrous on both sides; there are 3-5 main veins, and the midrib on the back is glandular. Flowers solitary in leaf axils, nearly sessile; bracteoles 8-12 red, fleshy, lanceolate, 5-10mm long, 2-3mm wide, sparsely covered with long stiff hairs, with thorn-like appendages near the apex, and fused to the calyx at the base; calyx cup-shaped, lavender, about 1cm in diameter, sparsely covered with thorns and coarse hairs, fused at the base 1/3, with 5 lobes, triangular-acuminate, 1-2cm long; flowers yellow, dark red at the base inside, 6-7cm in diameter. The capsule is ovoid, about 1.5 cm in diameter, densely covered with coarse hairs, and has 5 valves. Seeds reniform, glabrous. Flowering period: summer and autumn.

[Habitat distribution] It is introduced for cultivation in Fujian, Taiwan, Guangdong, Hainan, Guangxi and southern Yunnan in my country. It is native to the tropical regions of the Eastern Hemisphere and is now cultivated in tropical regions around the world.

[Cultivation] Biological Characteristics: It prefers a warm, humid and sunny environment, is afraid of cold, early frost, waterlogging and avoids waterlogging. It is not very demanding on soil and is best cultivated on sandy loam with deep, loose, fertile and good drainage.

[Properties] Identification of properties: This product is slightly conical or irregular in shape, 2.5-4cm long and about 2cm in diameter. The calyx is purple-red to purple-black, 5-lobed, and the lobes are lanceolate. Small bracts fused with the calyx can be seen at the bottom, which are about 10-lobed and lanceolate, and have a hole at the base left after the fruit is removed. The corolla is yellow-brown with linear stripes on the outer surface and yellow-brown at the base of the inner surface, occasionally with sparse coarse hairs. Lightweight and brittle. It has a light fragrance and a sour taste.

【Nature and flavor】 Sour; Cool

【Meridian】 Kidney meridian

【Functions and indications】 Strengthens the lungs and relieves cough; lowers blood pressure; relieves alcohol. Mainly used for lung deficiency cough; hypertension; drunkenness

[Usage and Dosage] For oral use: decoct in water, 9-15g; or soak in boiling water.

[Discussions by various scholars] Xinhua Materia Medica Compendium says that the roots and seeds have diuretic and tonic functions. 《Osman Abdel M: Yoanes. Mohammed EGJ chem 1975： 28 （1） 217． 1975 CA 82: The flowers contain cotton pigment, quercetin, hibisatin, citric acid, malic acid and small amounts of sabdartrin and bioalkali. The dried fruit calyx contains citric acid, malic acid, hibiscus acid, tartaric acid, vitamin C, and pectin (can be used as a beverage).

【Excerpt】 Chinese Materia Medica

The above is a brief introduction to the medicinal value of Roselle. For most people in real life, they can use Roselle to treat diseases without worrying about side effects. Therefore, Roselle is an effective and practical treatment method for diseases, and it has been widely used in clinical practice.