Epimedium brevicornu Maxim.( also called horny goat weed)perennial herb is mainly distributed in tropical and subtropical regions, including Shaanxi, Gansu, and other regions in my country. Flowering from May to June, fruiting from June to August. There are many types of Epimedium, which can be roughly divided into these categories: Epimedium sagittatum(sieb.et zucc.)maxim., Epimedium pubescens maxim., Epimedium wushanense tsying , Or Korean Epimedium epimedium nakai which is generally harvested in summer and autumn when the stems and leaves are lush, to remove coarse stems and impurities, sun-dried or dried in the shade after ethanol extraction with professional equipment to obtain Epimedium extract.

Due to the large market demand, wild epimedium has been relatively rare, and it is basically artificially planted now.
The main components of epimedium extract are: stems and leaves contain icariin, epinedoside A; rhizomes and roots contain noricarliin, I-cariresinol.
The normal ratio product is 10:1, the color is brown-yellow, the icariin 10%-98%, the color is brown-yellow, and the high content is a white powder.

Epimedium extract can be mainly used in male health products to play the role of aphrodisiac and diuresis. It can also be used in animal feed to enhance immunity and reduce mortality and morbidity.

HORNY GOAT WEED EXTRACT
The main roles in medicine and health care are:

1. Promote the development of the reproductive system and the effect of nourishing kidneys and yang.
2. Epimedium polysaccharide has the effect of enhancing the immune function of the body.
3. Epimedium affects the aging mechanism from different aspects, which can delay the aging process and prevent the occurrence of senile diseases.
4. Epimedium extract can reduce cerebrovascular resistance and have a certain protective effect on myocardial ischemia.
5. Epimedium can promote DNA synthesis and enhance metabolic function.
6. It has a good prevention and treatment effect on osteoporosis.

The application of Epimedium extract in the breeding industry:

1. Promote the growth and development of animal immune organs;
2. Promoting cellular immunity;
3. Promoting humoral immunity;
4. For white blood cells and monocytes-macrophages
5. The promotion of natural killer cells.

The test results of adding Epimedium extract to feed show that it can enhance immunity, improve the ability to resist infectious diseases, and reduce mortality and morbidity. Regulate the intestinal physiological function of female animals and optimize the intestinal environment. Improve the reproductive capacity of sows and promote animal growth.

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