Edible or Medicinal Value of Roselle
nutritive value
Roselle is rich in protein, organic acids, Vc amino acids, a large number of natural pigments and various minerals. Fresh calyx contains Vc0.93%, VB0.2 1%, protein 0.45%, ash 1.34%, pectin 1.39%, moisture 87.86%, carotene 0.0 1% and starch/kloc. Dry calyx contains total anthocyanin (pigment) 1%~ 1.5%, organic acids such as citric acid and furoic acid 15%, reducing sugar 16%, protein 3.5%~7.9% and other non-nitrogen substances 25%. In addition, Roselle extract also contains reducing sugar, glycosides, phenols, a small amount of alkaloids and resin.
Health function
Hibiscus acid contained in Roselle is considered to be effective in treating diseases such as heart disease, hypertension and arteriosclerosis. Roselle extract also contains reducing sugar, glycosides, phenols, a small amount of alkaloids and resins. It has spasmolytic effect on intestinal tract and uterine muscles, as well as anthelmintic effect, has bacteriostatic effect on bacteria in intestinal tract, promotes bile secretion, reduces blood drug concentration, stimulates intestinal wall peristalsis, and is very suitable for making cold drinks. In Egypt, calyx is widely used to treat heart and nerve diseases; In India, calyx, seeds and leaves are used as diuretics and anti-scurvy drugs; In Senegal, roselle is recommended as a fungicide, insect repellent and antihypertensive drug.
Medicinal value
The word Luoshenhua originated from Cao Zhi's "Luoshenfu Luoshenhua" and is known as a plant ruby. It has the functions of regulating and balancing blood lipid, reducing the body's intake of fat and slimming. Enhance calcium absorption, radiation protection and oxidation resistance. Take Youming Nong Fang Luo Shen Hua Tea as an example. Long-term drinking will help to reduce the total cholesterol and triglyceride in human blood, and achieve the effect of preventing and treating cardiovascular diseases and losing weight.
Efficacy: diuretic.
Indications: This medicine is used by the people for diuresis.
Nature and taste return to meridian: pungent and flat. Enter the kidney meridian.
Administration and dosage: oral administration: 6- 12g, decocted in water.
Therapeutic value
Roselle tea
Roselle 3 ~ 5g, brewed in warm water, and brewed with appropriate amount of rock sugar or honey. Long-term drinking is helpful to reduce the total cholesterol and triglyceride in human blood, and achieve the effect of preventing and treating cardiovascular diseases and losing weight.
Trollius roselle tea
Roselle, Trollius chinensis, Butterfly each 1g, brewed with hot water, flavored with rock sugar, without cover, as a substitute tea. This tea can clear the lung and benefit the throat, and has a good curative effect on bronchitis, cough, sore throat and tonsillitis.
Rose iced chrysanthemum tea
Roselle 1g, 3 chrysanthemums, 5 medlars, boat-fruited Sterculia 1, boiled in boiling water for 5- 10 minutes, and flavored with rock sugar. This kind of tea can clear throat and moisten dryness.
Hawthorn wrapped with honey
Boil several pieces of roselle and several pieces of dried hawthorn in water for three minutes, cool and mix with honey. Long-term drinking can strengthen the stomach and promote digestion.
Roselle jelly
Roselle 40g, pure rubber powder 30g, fine sugar 100g, water 1000ml. First, boil the water, turn off the fire, put the roselle into the water, cover and stew for 8 minutes, take out the roselle and drain. Boil the filtered water, turn off the fire, add pure Geely powder and fine sugar into the water, and stir quickly 1 min. Put the stirred jelly liquid into a jelly mold, cool it, put it in the refrigerator for cold storage, and eat it after molding.
Rose eggplant sparerib soup
Roselle 10g, ribs 250g, water 800ml, stew for 3h, and add various seasonings according to your own taste. This soup is delicious and can nourish and beautify.
Function and Application of Roselle
economic value
Roselle is a new raw material for food and food industry, and its calyx can be made into a variety of foods. Roselle pigment with bright calyx is a colorant in food.
It is an economic plant widely planted by African people, especially the Arab people in Africa and the people in West Africa. Calyx seeds, stems and leaves of plants can be used. Calyx (fresh or dry) has the functions of lowering blood pressure, resisting scurvy, diuresis, relieving bronchitis and cough.
In Africa, it is widely used as a drink. The tea that Arabs soak calyx is called Sudan tea, and some are also used as natural pigments and seasonings for food. Europeans have long imported dried calyx from Africa for jelly, seasoning and refreshing drinks. In addition to the medicinal effects similar to calyx, leaves are used as washing materials for abscesses in medical operations, and their juice can also heal cracks on feet. The epidermis of the stem is one of the main raw materials for rope making in Africa. In recent years, China has successfully planted large areas in Fujian and other provinces, and more than 200 kilograms of dried calyx can be harvested per mu of land. In addition to export, it is also sold in the domestic market. Roselle candy, cool soda and fruit juice are very popular.