Coix seed oil is a dry product of the fallopian tube of female Chinese wood frog in Coix seed. It is rich in four hormones, nine vitamins, thirteen trace elements and eighteen amino acids, a small amount of carotene and low temperature bioactive substances. Huanren oyster sauce is not only of good quality, but also has obvious regional characteristics. The appearance is large and the color is pure, and it has a fat-like bright luster. It has the functions of nourishing yin and strengthening the kidney and stimulating immune function, which can promote protein synthesis in the human body, especially It is the synthesis of immunoglobulin, which has a strong promoting effect on the growth and development of the human body, delaying aging and health and strength. Known as "green soft gold."

Huanren oyster sauce quality technical requirements (a) variety. Chinese Rana chensinesis. (2) Breeding environment. Broad-leaved forests or coniferous and broad-leaved mixed forests with good vegetation. The farm has a long stream of water. The breeding ground is free of pollution. (3) Construction of the frog pool. 1. Incubation tank: repair on the side of the stream, choose a place with sufficient sunlight and strong water retention, and make a rectangle with a shallow side on one side. The water depth on one side is 40cm, and the water depth on the other side is 10cm. The size can vary depending on the ground. The nozzles are located on the same side. 2. Feeding pond: On the side of the stream in the valley of the stocking yard, choose a flat area with strong water retention. The pool can be made into a rectangular shape, the size can be determined by the ground, the water depth of the pool is 30 cm to 40 cm, and the inlet and outlet of the pool are set diagonally. 3. Wintering pool: repaired on both sides of the river, near the edge of the forest edge, where the terrain is flat and the water retention is strong, the spacing of the pool should be about 500m, the specification is 60m2 to 600m2, and the winter is 1 to 1.5m deep. Not frozen water. (4) Technical requirements for culture. 1. Fishing and requirements of species of frogs: Select frogs from 2 to 4 years after the Chinese forest frogs enter the river in the fall or before the Qingming. The female frog weighs more than 26g, and the male frog weighs more than 18g, and is physically strong. 2. Spawning and hatching: When the pool water temperature reaches 5 °C to 10 °C, the selected species of frogs are placed in the pool in a ratio of 1:1 for paired spawning, and 4 pairs of frogs are placed per square meter of water. The pond water temperature during the incubation period should be maintained at 15 °C to 18 °C, and should be moved into the rearing pond for rearing. 3. Collection and transportation of frog eggs: Collected from 5 to 10 am, and frog eggs from different periods. Transport in a non-polluting, rigid container and add one-third of the water. 4. Feeding: (1) stocking density and water temperature: 1000 to 1500 carp per square meter of water, water temperature 18 ° C to 24 ° C. (2) Feeding: Feeding time is 8:00 am and 5:00 pm, and it is not suitable for feeding on cloudy and rainy days. The depth of the pool is maintained between 15 cm and 20 cm during the day and 30 to 40 cm during the night. When the metamorphosis grows out of the forelimb, it stops feeding. 5. Environmental and safety requirements: The prevention and control of the breeding environment and epidemic diseases must comply with relevant national regulations. (5) Processing. 1. Drying: In the autumn, the female frogs of more than three years old are put into a string and dried. 2. Peeling oil: Soak the frog in 60 ° C to 70 ° C warm water for 5 to 10 minutes, soak it in a container, cover it with a moist sack or the like, and make the skin and muscles soft and peel off the oil. (6) Quality characteristics. 1. Sensory features: the color is yellowish, crystal-like, irregularly shaped, curved and overlapping, growing from 2cm to 5cm, thickness 1.5 to 5mm, with a slippery feel. 2. Physical and chemical indicators: expansion degree ≥ 15 times. Protein ≥ 40%, water ≤ 18%, crude fat ≤ 5%, nitrogen-free extract ≥ 23%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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The producers within the scope of protection of the geographical indication products of Huanren oyster sauce may apply to the Quality and Technical Supervision Bureau of Huanren Manchu Autonomous County of Liaoning Province for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.