Longzi Black Highland Barley [Xizang Longzi Specialty]

What is Longzi Black Highland Barley? Authentic Xizang Longzi specialty: Longzi black highland barley? This article is a special article that introduces Longzi Black Highland Barley, a special product of Xizang, in detail. It was compiled by the editorial team of China Specialty Website after consulting and collecting relevant information about Longzi Black Highland Barley. The full text takes about 7 minutes to read, mainly including the basic introduction of Longzi Black Highland Barley

Introduction to Longzi Black Highland Barley

Longzi Black Highland Barley is a specialty of Longzi County, Shannan, Xizang. Longzi, meaning Sumeru Tongding (Buddhist term), full name "Yujie Longzi", formerly known as "Nie"), was once written as a "Nie" in the Tang Dynasty. The legend of "Longzi Black Highland Barley" dates back to around 712 AD, when Princess Jincheng passed through the "Neigawo" section of the Longzi River Valley and accidentally fell from the Bangdian (Tibetan apron) in the area. After thousands of years of cultivation, it formed a unique local variety. It is one of the main food for the Longzi patriarch in the past dynasties, and also the offering of Niede, who presided over the past dynasties and Lama (Niede is one of the mother temples of Niexiong's six major temples). The temple still eats black highland barley tsamba milled by water mill. The tsamba made of it is not only popular with Tibetan consumers, but also favored by many mainland consumers, and its supply exceeds demand in the market<21. Belonging to the southern Himalayan landform, the terrain is high in the west and low in the east, with a relative height difference of about 2000m, an average elevation of 3900m, an annual sunshine duration of 3014.6 hours, and an annual precipitation of 270.3mm, suitable for the growth of black barley. With a total area of 10566 square kilometers, the county is one of the 35 major grain producing counties in the Xizang Autonomous Region, mainly planting black highland barley, white highland barley, wheat, buckwheat, rape and other crops. Longzi Black Highland Barley Protection Area: 35 administrative villages under the jurisdiction of Longzi, Hidang, Rerong, and Jiayu townships in Longzi County. The geographical coordinates are 91 ° 53 ′ 00 "to 93 ° 06 ′ 00" east longitude and 28 ° 07 ′ 00 "to 28 ° 52 ′ 00" north latitude

Product Quality Characteristics

(1) External Sensory Features: Longzi Black Highland Barley is named after its black purple husk and grain skin. This product is a unique local variety formed through long-term cultivation and domestication under special climatic conditions in Longzi County. It is the same species as ordinary Highland Barley and is a cereal crop in the Poaceae family. Due to the separation of its inner and outer husks and exposed grains, it is also known as naked barley, barley, or rice barley. Qingke is divided into white Qingke, black Qingke, purple Qingke and other types. In botany, the seeds of black barley are grains, and the seeds are naked grains that are completely separated from the husks. The grain is 6-9mm long and 2-3mm wide, with shapes such as oval and diamond. The grain skin of barley is smoother than that of barley, with colors such as black, purple, and black. (2) Internal quality indicators: Longzi black barley has a delicate taste, rich wheat aroma, and rich nutrition. The vitamin B1 content of black barley is 0.25-0.32mg/100g, the vitamin B2 content is 0.58-0.9mg/100g, the selenium content is 0.013-0.02mg/100g, the brass content is 0.17-0.2mg/kg, the calcium content is 540-560mg/kg, and the zinc content is 18.6-21mg/kg. (3) Safety requirements: Clearly define the name, specific content, and relevant laws and regulations of the mandatory national technical specifications followed for product market access registration. (4) Packaging: The packaging materials must comply with relevant regulations such as the "Management Measures for Packaging and Labeling of Agricultural Products", and the product batch number must be indicated on the packaging bag with the words "Longzi Black Highland Barley" added. (5) Identification: The Longzi black barley products sold shall be labeled or attached with identification on the packaging, indicating the product name, place of origin, name of producer or seller, production date, product quality grade, and shelf life. The text used for the logo of Longzi Black Highland Barley should be in standard Chinese and Tibetan (except for exports). The content of the labeling should be accurate, clear, prominent, complete, and persistent. (6) Storage: Packaged products should be classified and stored in a clean, dark, dry, ventilated, pollution-free, and moisture-proof warehouse. Attention should be paid to moisture, mold, and insect prevention. It is strictly prohibited to mix with toxic, harmful, corrosive, moldy, damp, or odorous substances such as pesticides. (7) Transportation: Longzi black barley should be protected from moisture and rain during transportation. During transportation, it is necessary to cover the vehicle with a rainproof cloth. It is strictly prohibited to mix with toxic substances, and it is strictly prohibited to transport Longzi black barley and processed products using transportation vehicles containing residual toxins and pollution