Winter worm summer grass, also known as summer grass winter worm, insect grass, winter worm grass. Recorded in "Ben Cao Cong Xin". It is a complex of Cordyceps sinensis (Berk.) Sacc., a fungus of the Ophiocordycipitaceae family, parasitic on the larva of bat moth and the body of the larva. The subseat is dug up in early summer before the spores are dispersed, dried to about 60-70% dryness, and the fibrous attachments and impurities are removed, then dried or low-temperature dried.
[Processing method] Take the original medicinal material, remove impurities, brush off soil, and sift off ashes.
[Appearance of medicinal slices] It is connected by the insect body and the fungus subseat that grows from the head of the insect. The insect body resembles a silkworm, measuring 3-5 cm in length and 0.3-0.8 cm in diameter; the surface is deep yellow to yellow-brown, the head is reddish-brown, with 8 pairs of legs and the middle 4 pairs are more obvious. It is brittle and easily broken. The cross-section is slightly flat and light yellowish-white. The subseat is slender and cylindrical, measuring 4-7 cm in length and 0.3 cm in diameter; the surface is dark brown to brownish-brown, with fine longitudinal wrinkles, and the upper part is slightly swollen. It has a soft and elastic texture and the cross-section is white. It has a slight fishy smell and a slightly bitter taste.
[Quality requirements] The content of adenosine (C10H13N5O4) should not be less than 0.010%o.
[Processing function] Winter worm summer grass has a sweet and neutral taste. It enters the lung and kidney meridians. It has the functions of nourishing the lungs and kidneys, stopping bleeding, and transforming phlegm. This product is commonly used for chronic cough and wheezing, coughing up blood, spermatorrhea due to yang deficiency, and lumbago and knee pain. When used with Fritillaria and Lily, it can treat tuberculosis cough, hemoptysis, and senile asthma; when soaked and taken internally with goji berries, it can treat kidney deficiency and lower back pain. Processing can improve the cleanliness of the medicine.
