Luosong Huangsongdian Town is the “First Town of China's Black Fungusâ€, “Hometown of Edible Fungiâ€, “National Outstanding Base Town†of Edible Fungi, and “National Outstanding Demonstration Town of New Mushroom New Rural Constructionâ€. [1] Huangsongdian black fungus was registered as the “Huangsongdian†brand in 2001. In 2001, “Huangsongdian†brand black fungus was awarded “Jilin famous brand agricultural product†by the People's Government of Jilin City; "Dian" brand black fungus was rated as "Jilin famous brand product" by the People's Government of Jilin Province; in 2004, the 7th National Conference on Edible Fungi and the New Technology and New Product Exchange Conference recommended "Huang Songdian" Black Fungus as the "National Famous Brand". product".
Huangsongdian Town is located 50 kilometers east of Weihe City, and is located in the Changbai Mountain Range. It is 474 meters above sea level. The terrain is cold, the frost-free period is short, the winter is cold and long, and there is a large temperature difference between day and night in summer. The unique climatic conditions, growing environment, and production management techniques produce unique, high-quality black edible fungus that differs from black fungus in other production areas in terms of food taste, physical and chemical indicators, and appearance.
1. The “Yellow Pine†brand black fungus grows in a climate where the terrain is cold, and there is a large temperature difference between day and night. The growth is relatively slow and the dry matter accumulation is relatively large. Therefore, the ear piece is thicker, the ear meat is more flexible, and the edible taste is particularly good.
Second, the “Huang Songdian†brand black fungus is watered with Weihu River, the water source is pure and the town’s forest coverage rate is 91%, and there is no factory in the air cleaning area. "Huangsongdian" brand black fungus grows in a green and natural environment without any pollution, conforms to the green and pollution-free food production standards and is of excellent quality.
Third, the “Huang Songdian†brand black fungus is produced by the ground cultivation method. The cultivation materials are mainly hard mixed wood chips, the ear meat is elastic, and the edible taste is good, which is different from other producing fungus.
Fourth, "Huang Song Dian" brand black fungus selection of single species, production and management meticulous, picking when placing a single piece of drying, timely turn over the sun, the appearance of natural curling, natural and dark color and luster. Membrane and other measures are taken during the production process, and sand and other impurities that are not attached to the ears are good.
According to the “Regulations on the Protection of Geographical Indication Productsâ€, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (AQSIQ) organized a review of the application for the protection of the geographical indication products of the black fungus Aurelia. After passing the review, it was approved to implement the protection of geographical indication products of Huangsongdian black fungus from April 6, 2010 (SGM Notice No. 28 of 2010).
protected range
The protection scope of Huangsongdian black fungus geographical indication products is Huangsongdeng Town, Baishishan Town, Piaohe Town, Qianjin Town, Xinzhan Town, Wulin Korean Township, Lafa Street, Tiangang Town, Luohe City, Jilin Province, Qingling Town, Songjiang Town, Tianbei Town, Xinnong Street, Henan Street, and 13 administrative districts under the jurisdiction of the administrative areas. [4]
Special signs use
Producers within the protection scope of Huangsedian black fungus geographical indication products may apply to the Quality and Technical Supervision Bureau of Luohe City of Jilin Province for the use of the “Special Marks for Geographical Indication Productsâ€, which shall be reviewed by the Quality and Technical Supervision Bureau of Jilin Province and shall be subject to The General Administration of Supervision announces approval. Huangsongdian black fungus statutory testing agencies are designated by the Jilin Provincial Bureau of Quality and Technical Supervision. [4]
Quality and technical requirements
(a) Variety.
Cultivar varieties include Canger 1, Tianxiang Shuangfeng 1 and Ji AU1.
(b) site conditions.
The bag production and ear sites are more than 300 meters away from livestock and poultry farms and garbage sites. The production site has an altitude of 274m to 474m.
(c) production technical requirements.
1. Preparation of strains: The use of two strains breeding system, and meet the national quality requirements for black fungus strains.
2, training materials requirements: raw materials, fresh, clean, sawdust selected Fagaceae, birch, lacquer, walnut family, Du Yingke and Hamameliaceae broad-leaved hardwood debris.
3, the production of bacteria bags: cultivation bags for the 165 to 170 mm × 330 mm specifications of low-pressure ethylene or polypropylene bag corners. The vertical bagging machine is used for bagging, and the bagging height is 18 to 22 cm. After the cultivation bag is packed, use a stick to fix the seed hole, and use a screw or a loop and a tampon for the seal. The short-distance transport was carried out using a turnover basket and inoculated with an inoculation box or ion blower. The inoculation volume was 3%. After inoculation, the temperature inside the bacteria bag was controlled at 28°C to 20°C, and the relative air humidity was controlled at 55% to 65%.
4. Ear requirements: The mycelium grows in bags at 20°C for 10 days to 20 days, then ear management. The bacteria bags are scrubbed and disinfected with 0.1% potassium permanganate solution, and 9 to 12 "V" mouths are cut with a conventional "V" shaped ear with a disinfectant blade; holes are drilled with nails or garniture with a small hole. , 90 to 120 holes per bag. The temperature during earing is maintained at 22°C to 24°C, and the relative humidity of the air is maintained at more than 80%; water is sprayed and humidified in the morning and evening, and the water is used in accordance with the national standards for farmland irrigation water quality standards; the light intensity and illumination time are increased. Use integrated prevention and control technologies to prevent and control pests and diseases.
(d) Harvesting and stemming.
Spring Ears are harvested from June 20 to July 10, and Autumn Ears are harvested from September 25 to October 20. The ears stretched and the ear roots contracted. Individual ears were harvested when the ventral surface had just produced white spores. The moisture content of natural drying reaches 14% or less.
(five) quality characteristics.
1, sensory characteristics: ear piece, no ears, taste crisp. Spring ear and ear surface dark brown, shiny, dark gray back, ear size 1.5cm to 5.0cm, ear thickness 0.4mm to 1.0mm; autumn ear ear surface black, strong light sense, dark brown back, ear size 1.2 Cm to 4.0cm, and the ear piece is 0.9mm to 1.5mm thick.
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