People in ancient times discovered the edible value and health care function of pecans. They called it "Longevity" and "longevity fruit". They have been eaten for generations and gradually extended to medicinal and cosmetic aspects. Huanrenshan walnut oil is a wild walnut seed kernel in Huanren. It has been refined through various processes such as selection, cold pressing and low-temperature refining. The golden yellow has a clear and transparent appearance, and the rich and mellow taste makes people feel good. Huanrenshan walnut oil is rich in a variety of trace elements needed by the human body, especially the content of linolenic acid is the most edible oil, and it is a pure natural health food.

Huanrenshan walnut oil quality technical requirements (a) provenance. Juglas mandshurica Maxim. (2) Site conditions. The altitude is 500m to 800m, the soil type is brown soil and dark brown soil, the soil pH is 5.6 to 7.0, and the soil organic matter content is ≥2.5%. (3) Raw material picking and storage. 1. 2. (4) Processing. 1. Processing requirements: (1) raw materials: water content ≤ 5%. (2) Storage of peach kernel: stored at room temperature, relative humidity 30% to 40%, storage time should not exceed 7 days. (3) Pressing: low temperature pressing, pressing temperature ≤ 70 °C. (4) Fine filtration: membrane filtration and filtration twice. (5) Quality characteristics. 1. Sensory features: (1) Color and appearance: the oil is golden and bright, the grease is clear and transparent. (2) Taste: mellow and fragrant. 2. Physical and chemical indicators: project index acid value (KOH) / (mg / g) ≤ 2.0 peroxide value (mmol / kg) ≤ 5.0 3. Safety and other quality technical requirements: product safety and other quality technical requirements must comply with the relevant national Provisions.

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Producers within the production area of ​​Huanrenshan walnut oil 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 is reviewed by the Liaoning Provincial Bureau of Quality and Technical Supervision and reported to the AQSIQ for approval. After the announcement. The statutory testing agency for Huanrenshan walnut oil is designated by the Liaoning Provincial Bureau of Quality and Technical Supervision.