Yadong Black Fungus

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Yadong black fungus is produced on the thorn tree of the rose tree branch of the Yadong County forest in the southern foothills of the Himalayas at an altitude of 2800-3900 meters. The fresh fungus is coffee red, and the gum is thick; the dry body is black and looks like "black pearl". After the warm water is opened, only the size of the fingernail of the person is small, which is a small bowl. The product is rich in protein, fat, carbohydrates and a variety of vitamins and inorganic salts. The taste is crisp and smooth, and the meat is delicate and nutritious.

Yadong black fungus quality technical requirements First, the product local wild black fungus products. The strain is named Yadong Black Fungus. Second, the site conditions are 2800m to 3900m above sea level. Third, the wild black fungus is harvested every spring from March to May, from mid-August to mid-October in the rainy season, picking black fungus on the thorn tree of the rose family. Fourth, artificial bag material cultivation (A) cultivation process. Culture of bacteria - bag preparation - inoculation - bacteria - on-shelf culture - harvest. (2) Technical points. 1. Bag material: It is composed of local birch shavings, bran and cottonseed shell, including 70% wood chips, 15% bran and 15% cotton seed shell. 2. Vaccination: All seasons can be vaccinated. 3. Inoculation: temperature 22 to 28 ° C, humidity 60 to 70%, hyphae filled the bag and then cultured on the shelf. (3) Harvesting. After the bacteria bag is put on the shelf for 20 days, it can be picked one by one when the size reaches 1 to 1.5 cm. (4) Processing. Naturally dry or manually dried to a content of no more than 12%. The artificial drying temperature does not exceed 50 °C. V. Quality Features 1. Sensory features: dry fungus is black. The meat is delicate, crisp, smooth and nutritious. 2. Physical and chemical indicators: single piece weight is only 0.05 to 0.06 grams, total amino acid ≥ 5%, total sugar ≥ 28%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the production area of ​​Yadong Black Fungus may submit an application to the Quality and Technical Supervision Bureau of Shigatse City of Tibet Autonomous Region for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Quality and Technical Supervision Bureau of the Tibet Autonomous Region and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. . The testing mechanism of Yadong black fungus is selected by the Quality and Technical Supervision Bureau of Tibet Autonomous Region in the testing institutions that meet the qualification requirements.