By the end of 20 10, 50 kinds of minerals/kloc-0 have been discovered in Shandong province (shell sand, pebbles and colored stones are not included in national statistics), and 8 kinds of resources1have been identified, including 7 kinds of energy minerals such as oil and coal.
Shandong specialty
Fish is a good aquatic food, which is not only delicious, but also has high nutritional value. Its protein content is twice that of pork, and it belongs to high-quality protein with high absorption rate. Fish is rich in thiamine, riboflavin, nicotinic acid, vitamin D and a certain amount of minerals such as calcium, phosphorus and iron.
Although the fat content in fish is low, the fatty acids in it have been proved to have the effects of lowering blood sugar, protecting the heart and preventing cancer. Vitamin D, calcium and phosphorus in fish can effectively prevent osteoporosis. Fish fat contains unsaturated fatty acids, which has anti-atherosclerosis effect, so it is beneficial to prevent and treat cardiovascular and cerebrovascular diseases, enhance memory, protect eyesight and eliminate inflammation.
However, the more fish you eat, the better This is because fish fatty acids contain a lot of eicosapentaenoic acid, which can inhibit platelet aggregation. Long-term excessive consumption will reduce platelet aggregation and cause various spontaneous bleeding, such as cerebral hemorrhage.