Where is the origin of truffles? Which two provinces are the main producing areas in China?

Truffle is only God knows the fragrance, because it is cut with lightning-like lines, also known as the daughter of lightning, the market demand is great and valuable. Every autumn and winter, loyal fans of western food are eager to find truffles on the dinner table. This unimpressive but subtle, irresistible aroma of truffles has fascinated humans for thousands of years. Where is the origin of truffles? Which two provinces are the main producing areas in China?

Where is the origin of truffles?

1. Piedmont: the Piedmont region of northwestern Italy is located in the upper reaches of the Po River, surrounded by the Alps to the west and north and the Ligurian Apennines to the south. White truffles are produced in Alba, Guineo province in this region.

2. Croatia: the white truffle is found only in Italy and Croatia in the Balkans. It has a light golden, light brown (beige) or light brown color, and has brown or milky white patches or small textures, varying in size. The small one is the size of a golf ball, and the big one is like an apple. In a good year, the world output of white truffle is only 3 tons, compared with the annual output of about 35 tons of black truffle, we can imagine its precious degree.

3. Sala: Sala is rich in black truffle and foie gras. Almost all the famous French foie gras manufacturers are concentrated here. Sala cuisine does have a place in southwestern French cuisine.

4. Provence: black truffle Provence is the most important producer of black truffle in the world, accounting for 90% of France's production. The main production center is concentrated in Tricastin in the north, with an annual output of about 30 tons.

5. Chinese mainland: China also produces truffles, which are very similar in shape to French black truffles, with relatively small scales on the outer skin and fine white stripes inside, mainly growing in the fibrous roots of pine trees, which is also the origin of the Chinese name "truffles". Mainly produced in Sichuan, Yunnan, mature Chinese black truffle with a complex mushroom flavor, is a smell that people can not understand.

6. Taiwan, China: according to the latest report, there is also a small amount of truffles growing in the high-altitude mountains of Taiwan Province, which is very similar in shape to that of France or the mainland, and belongs to close relatives, but Asians generally do not have much contact and understanding of this delicacy, so they do not operate commercially.

Second, how to eat truffle?

1. Cold truffles: clean the truffles, slice and prepare ingredients, mix with appropriate amount of shredded ginger, mint leaves, soy sauce, balsamic vinegar and other seasonings according to your taste, stir evenly and place dry and tasteless for 20 minutes.

2. Truffle sashimi: wash fresh truffles and cut into 2-4mm slices and set aside. Put mustard, balsamic vinegar, soy sauce or condiments prepared with personal taste such as soy sauce, chili pepper and sesame oil in the dipping plate. Dip the prepared truffle slices in seasoning and eat directly.

3. Stir-fry truffles: rinse truffles (usually with a brush), slice or shred, stir-fry in hot oil for 5 minutes and then eat (fried with ham oil and shredded ham for 10 minutes).

Third, how can truffles tell the true from the false?

1. Xia truffle. Its shape is irregular, the skin is dark and has thick tumor grains. Cut it open, immature to white, mature is brown, strong fragrance, mature in August, with high nutrition and health value.

2. Mother and son. Its shape is nearly round but has natural depression. when the skin color is not mature, it is white and brown after maturity, and the tumor particles are very fine. When it is cut off, it is white and black when it is immature, and its fragrance is light. It matures in December, and its nutrition and health care value is very low.

3. Black truffle. Its shape is nearly round, and the skin color is brown when it is immature and brown after maturity, and there are also thicker tumor grains. When it is cut off, it is white when it is immature and black when it is mature, with a strong fragrance and maturing in December. It also has high nutrition and health care value.