Tongjiang Tremella

Tongjiang Tremella, edible mushroom species, China's specialty products, and China's national geographical indication products are mainly produced in Tongjiang County, Sichuan Province. Tongjiang is the birthplace of white fungus. “The hometown of white fungus in China, Tongjiang Tremella is known both at home and abroad for its unique quality, meat tenderness, easy stewing, and very high nutritional value and medicinal value.

Tongjiang Tremella is also different because of its choice of parasites, it not only requires the use of green bar as a carrier, but also pay attention to "seven cut eight." The so-called “seven-seven-seven-cuts” is to select the growth period of Qingqin Wood to cut the ear in the eighth year. It is interesting to note that humans are the most taboo “cooked beans and bean curd” and Tongjiang white fungus is biased. To cook beans, burn the pods. It must be baked slowly with a bar-fired fire made from green bar to retain its nutrient content.

From October 13th onwards, Tongjia Tremella will be protected for geographical origin (Announcement No. 149 of 2004).

Geographical protection scope

The geographical scope of the Tongjiang Tremella origin is based on the geographical scope proposed by the Tongjiang County People’s Government’s “Delimitation of the Tongjiang Tremella Origin Geographical Product Protection Scope” (Tongfu letter [2004] No. 43), including Tongjiang. County Chenhe Township, Xiangyang Township, Huilin Township, Xinchang Township, Qingying Township, Banqiaokou Township, Linjiang Township, Yanba Township, Tiechanghe Township, Nuoshuihe Town, Pingxi Township, and Iron Creek Town, Shizi Township, Zhuyuan Township, Xinwen Township, Changping Township, Limba Township, Hekou Township, Kongshan Township, Yongan Town, Muxi Township, Shaping Township, Huijia Township, Zhongfeng Township, Yanxi Township, Bi Xi Township, Changsheng Township, Wawu Township, Bath Creek Township, Xinglong Township, Yaopu Township, Maoyu Township, Hongkou Town, Jiugui Township, Songxi Township, Libo Township, Dongxi Township, Zhonglin Township, Benches Township, Shaxi Town, Yanjing Township, Bingfeng Township, Wensheng Township, Shengli Township, Zhicheng Township, Longfengchang Township, Changle Township, Yujiahe Township, Zhifu Township, Singing Township, Yaohong Township, Xinjian Township, etc. 52 townships.

Quality and technical requirements

(a) Select strains.

Separation and cultivation from the wild white fungus to cultivate high-yield, high-quality, wide adaptability of the excellent strains.

(b) Production technology.

1. Duanmu preparation: Select the Qinggang trees that are free of pests and diseases and that grow in the sunny conditions for more than 7 years and have a tree diameter of 6cm or more.

2. Inoculation: Completed in early April.

3, germs: choose to carry out in the shade, the surrounding environment clean and hygienic. The temperature should be maintained between 25 and 28 °C, the humidity should be controlled at about 80%, and the germination period should be 45 to 60 days.

4, choose ear field: choose air circulation, warm and humid place.

5, ear field management: adjust ear temperature, humidity and prevent pests and diseases.

(3) Harvesting and processing.

After the earrings of the Tremella ear are fully stretched and picked, they are washed, dried, and screened. Sulfur fumigation is strictly prohibited.

(d) product quality characteristics.

1, sensory characteristics: the appearance of the United States, good color, more chicken-like, large, thick, yellowish color, there is a sense of jade, easy to stew.

2, physical and chemical characteristics: protein content ≥ 7.5%, total sugar ≥ 44%, the lowest wet and dry ratio of 1:15.

Special signs use

Producers within the Tongjiang Tremella Origin Area, if using the “Special Marks for Products of Origin”, shall apply to the Tongjiang Tremella Origin Product Protection Reporting Organization located at the local Quality and Technical Supervision Bureau and pass the preliminary examination. ,After the announcement of the AQSIQ approval, it can only use the "original geographical product special signs."

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