Ningnan Winter Potato [Sichuan Ningnan Specialty]

What is Ningnan Winter Potato? Authentic Sichuan Ningnan specialty: Ningnan winter potatoes

Summary:Do you want to know what Ningnan winter potatoes are? This article is a detailed introduction to the special product of Ningnan, Sichuan Province - Ningnan Winter Potatoes. It was compiled and edited by the editorial team of China Specialty Network after reviewing and collecting relevant information on Ningnan Winter Potatoes. The full text takes about 4 minutes to read, mainly including the basic introduction of Ningnan Winter Potatoes

Basic Introduction to Winter Potatoes in Ningnan

Ningnan has unique advantages in light and heat resources, with no scorching heat in summer and no severe cold in winter. The annual frost free period is 321 days, with more than 2250 hours of sunshine, and the effective accumulated temperature of ≥ 10 ℃ reaches 6352 ℃.

; The large temperature difference between day and night, with an average temperature of over 10 ℃ in the coldest month of January, provides favorable conditions for the growth and high yield and efficiency of winter potatoes. It is a natural treasure for the development of winter potatoes and one of the few advantageous winter potato production areas in the province

Regional Scope

The geographical indication protection scope for winter potato agricultural products in Ningnan includes 17 townships (towns) including Pisha Town, Jingxing Township, Jule Township, Huatan Town, Hulukou Town, Hongxing Township, Datong Township, Baihetan Town, Qiluogou Township, Songxin Town, Xincun Township, Xingfu Township, Zhushou Town, Songlin Township, Xinhua Township, Shili Township, and Xiyao Township. The geographical coordinates are 103 ° 22 ′ -103 ° 37 ′ E longitude and 26 ° 29 ′ -26 ° 47 ′ N latitude. The protected area is 10000 hectares, with an annual output of 300000 tons

Product quality characteristics

1. External sensory quality: In winter in Ningnan, potato chunks are large and neat, with the main shape being long and oval; Shallow bud eyes and smooth epidermis; The incision does not change color, and the flesh color is light yellow; Good palatability and natural fragrance. 2. Internal quality indicators: Dry matter of winter potatoes in Ningnan is ≥ 18.5%, starch is ≥ 13.5g/100g, reducing sugar is ≤ 0.13%, and protein is ≥ 2.0%. 3. Quality and safety requirements: Ningnan winter potatoes shall comply with relevant national laws and regulations