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What are the five treasures of Ningxia?
The five treasures in Ningxia are Hongbao Lycium barbarum, Huangbao Glycyrrhiza uralensis, Lanbao Helan stone, Baibaotan sheepskin and Heibao Nostoc flagelliforme.

1, Hongbao wolfberry:

Woody plants, which are bright red in pulp, look like spindles and more like red agate pendants. They are traditional brand-name export commodities in Ningxia, and are famous at home and abroad for their thin skin, thick meat, few seeds and excellent quality. Historically, it was a royal tribute. Lycium barbarum L. is rich in nutrition, which not only contains iron, phosphorus, calcium and other substances, but also contains a lot of sugar, fat, protein, amino acids, polysaccharide pigments, vitamins, sterols, glycosides and so on.

2, Huangbao licorice:

Leguminosae, perennial herb. Ningxia Glycyrrhiza uralensis Fisch is famous for its heavy bones, smooth strips, fresh mouth and fine processing. The export is called "Xizheng licorice" or "Xizheng grass".

3. Sapphire Helan Stone:

Produced on the cliff of Helan Mountain at an altitude of about 2600 meters, the stone has a uniform structure, delicate texture and suitable rigidity and softness. The He Lanyan carved with it has the advantages of printing ink, storing ink, protecting hair and durability. Helan stone naturally forms deep purple and green colors, which reflect each other, with bright colors, purple background and green colors, and various forms are wonderful, as if the velvet is inlaid with all kinds of jadeite.

4. Baibaotan sheepskin:

Sheep breeds for fur are unique in the world fur. There are two hairs and sand hairs, and the hair colors are pure white, pure black, light brown and variegated, mostly pure white. Black leather, also called purple lamb skin, is expensive because of its scarcity. The white leather is white in color and shiny as jade. The leather board is as thin as thick paper, but it is tough, soft and even. The hair spike presents a unique wave bend, like a lake ripple, light and soft, beautiful and generous, and excellent thermal insulation. It is really a leader in all kinds of fur and has been a traditional brand-name export commodity for a long time.

5. Heibao Nostoc flagelliforme:

In plant taxonomy, it belongs to phylum Cyanophyta, a kind of coccygea. It is a kind of natural and precious edible fungus algae, which is produced in the central and southern areas of arid and semi-arid Ningxia. It germinates in the rain and is harvested in late autumn and early spring. The production process is to pick the "Chinese cabbage" with impurities, remove impurities, wet, dry and package. Fresh Nostoc flagelliforme is blue-green or brown, black after air-drying, and its shape resembles that of oriental women's hair, hence its name. It is a high-grade food, together with sea cucumber, fish maw, bird's nest, squid, Hericium erinaceus, shark's fin and bear's paw, called "Delicious Eight Treasures", and it is an essential delicacy for a festive feast. Nostoc flagelliforme is very rich in nutrition, its protein content is 20 times that of eggs, and it is also rich in sugar, fat and calcium, and it is also rich in minerals such as phosphorus and iron.