Huanren Large Hazelnuts

Huanren Large Hazelnuts

Huanren Large Hazelnuts are a protected geographical indication product.

　　The protected geographical indication (PGI) area for Huanren Large Hazelnuts covers the entire administrative region of Huanren Manchu Autonomous County, Liaoning Province.

　　(1) Varieties:

　　　　Thin-shell Red, Dawei, Golden Bell, Flat-top Yellow, Jade Drop.

　　(2) Site Conditions:

　　　　Altitude ≤500m, slope ≤25° within the protected area; soil type is brown earth or dark loam, pH value 6.5 to 7.5, soil layer thickness ≥

　　 50cm, organic matter content ≥2.0%.

　　(3) Cultivation and Management:

　　　　1. Seedling Cultivation: Seedlings are propagated through root suckers and layering before spring sprouting or in late June. Seedlings must be of pure variety, robust growth, normal root systems, and free from quarantine pests and diseases.

　　 2. Planting: Planting takes place in mid to late April; planting density is 945 to 1,110 plants per hectare.

　　　　3. Fertilization: Apply no less than 14.2 tons of high-quality organic fertilizer per hectare annually, along with 284kg to 1,068kg of high-quality compound fertilizer (with an N:P:K ratio of 1:2:2).

　　　　4. Environmental and Safety Requirements: The use of pesticides, fertilizers, and other inputs must comply with national regulations, and must not cause environmental pollution.

　　 (4) Harvesting:

　　　　Harvest from late August to early September when the husks and fruit tips turn from white to yellow.

　　(5) Processing:

　　　　 After harvesting, nuts are naturally sun-dried to remove the husks.

　　(6) Quality Characteristics:

　　　　 1. Sensory Characteristics: Nuts are large, golden yellow to dark red in color, shiny, with thin shells and full kernels; kernel plumpness ≥90%.

　　2. Physical and Chemical Indicators: Kernel crude fat content ≥46.0%, protein content ≥20.0%, moisture ≤6.0%, shell thickness ≤1.5mm, single nut weight ≥2.0g, kernel yield ≥40%.

　　　　3. Safety Requirements: Product safety indicators must meet national standards for similar products.

　　　　2. Physicochemical indicators: The crude fat content of the nuts shall be ≥46.0%, protein content ≥20.0%, moisture ≤6.0%, shell thickness ≤

　　 1.5 mm, single nut weight ≥2.0 g, and kernel extraction rate ≥40%.

　　　　3. Safety requirements: The product safety indicators must comply with the relevant national regulations for similar products.