1. Aliases
Silkworm Sand, Late Silkworm Sand, Silkworm Arrow, Original Silkworm Shit, Late Silkworm Arrow, Silkworm Shit, Second Silkworm Sand.
2. Animal morphology
Both male and female adults have white scales densely covering their entire bodies. Body length is 1.6-2.3 centimeters. Wings spread 3.9-4.3 centimeters. Small head. 1 pair of compound eyes. Degeneration of mouthparts and small whiskers on the lower lip. The antennae are feather shaped. Two pairs of wings, with the front wings located in the middle chest, triangular in shape and relatively large; The hind wings grow from the chest and are smaller; The wing surface has white scales. The female has a plump abdomen and a blunt and round end; Male has a narrow abdomen with slightly pointed ends. The larvae have a grayish white to white body color, with slightly enlarged 2nd and 3rd segments of the chest and wrinkles. There is a tail corner on the back of the 8th section of the abdomen.
3. Origin distribution
For artificial breeding, it can reproduce three generations per year. Distributed throughout the country, mainly south of the Yangtze River.
4. Harvesting and processing
Collect feces from second to third sleep in summer, remove impurities, and dry them in the sun.
5. Characteristics of medicinal herbs
Granular hexagonal, 2-5 millimeters long, with a diameter of 1.5-3 millimeters. The surface is gray black or black green, rough, with 6 obvious longitudinal grooves and horizontal shallow grooves. Lightweight and brittle, easy to powder when pinched by hand. Slight breath, light taste.
6. Nature, taste, and meridian tropism
Warm in nature, sweet and spicy in taste. Guigan Meridian, Spleen Meridian, and Stomach Meridian.
7. Effect and function
Remove wind and dampness, and harmonize the stomach to remove turbidity. Belonging to the subcategory of dispelling wind and dampness, it is a strong muscle and bone medicine for dispelling wind and dampness.
8. Clinical applications
Dosage 10-15 grams, wrapped in gauze for frying, or in pills or powder; Apply an appropriate amount for external use, boil with water, wash or grind into fine powder, and apply to the affected area. Used to treat rheumatism, pain, limb failure, rubella, itching, vomiting and diarrhea, amenorrhea, and metrorrhagia.
9. Pharmacological research
Experiments have shown that silkworm excrement has anti-cancer and photosensitive effects; Silkworm sand exposed to sunlight has a calcific effect on the bones of chicks; Its water extract has an anti bovine thrombin effect and can significantly prolong the coagulation time of human blood fibrinogen.
10. Chemical composition
Containing chlorophyll derivatives, phytol, β - sitosterol, lupin alcohol, ergosterol, sericin, organic matter, ash, free alcohols and hydrocarbons, as well as protein, 18 amino acids and vitamins A, B, and E.
11. Taboos for use
Patients with gastrointestinal weakness should take medication with caution, and those who lack blood to nourish tendons or have difficulty with limbs should not take medication.
12. Compatibility prescription
① To treat rheumatic pain or numbness: 30g of late silkworm sand, decoct the soup, take it with half a cup of hot yellow wine when lying down. (Modern Practical Traditional Chinese Medicine)
② To treat wind paralysis, various joints failure, and persistent abdominal pain: stir fry silkworm sand with yellow color, put it in a cloth bag, soak it in wine and take it orally. (Shou Shiqing Bian)
③ Treating wind itching and rash, itching all over the body, causing itching and itching. Scratching can lead to sores: take one liter of silkworm sand, two douches of water, boil one dou and two liters, and remove impurities. It is warm enough to wash, so it is advisable to avoid the wind. (Shenghui Fang)
④ Treatment for dry and wet tinea: 120 grams of silkworm sand and 15 grams of mint. Above is the end, adjust and apply it with oil; Wet and dry mixed. (Health Treasure Book Qushi San)
⑤ Treatment for herpes zoster: 30g silkworm sand, 12g realgar. At the end of the joint study, apply sesame oil to the affected area. (Guangxi Medicinal Animals)
⑥ Treatment for prolonged menstrual closure: 120 grams of silkworm roe (stir fried slightly yellow), one pot of ashless wine. Boil the heavy soup until cooked, remove the dross. Drink a warm cup. (From the "Collection of Annotations on the Inner Canon" to the "Silkworm Sand Wine")
⑦ To treat hematemesis, nosebleeds, and bloody stools: 30g of silkworm sand, stir fry black to charcoal, grind to powder. 2-3 times a day. Take 3 grams each time with hot water. (Guangxi Medicinal Animals)
⑧ Treatment of bleeding and drenching: late silkworm sand, ground into powder, with 6 grams of alcohol given before each meal. (Puji Fang)