Few seafood are loved so widely and have such a wide audience. Whether it is Chinese or foreign, whether it is a fly restaurant, a street stall or a high-end restaurant and a Michelin three-star, it can be seen on the menu, which is what we want to talk about today, also called oysters or oysters.
Oysters belong to the mollusk phylum , Phylloscopus , Oysteraceae , and Oyster genus , and are common molluscs in the sea. In the common sea-rushing videos, the various UP owners do not show any mood swings in order to find the oysters, because this thing is too easy to touch.
But while easy to touch, oysters are indeed an excellent seafood, delicious, nutritious, and the most zinc-rich of all foods.
Each hundred grams of fresh oysters (shelled) contains 87 grams of water and 11 grams of protein and 1.5 grams of fat, rich in amino acids and taurine, as well as calcium, iron, phosphorus, copper and other trace elements, calcium content is twice the same weight of milk, iron content is twenty-two times the same weight of milk.
The "Compendium of Materia Medica" records that oyster meat "eats more, can invigorate the skin, tonify the kidneys and aphrodisiacs, and can cure weakness and detoxify erysipelas".
Oysters have been eaten since a long time ago, and in the middle of the Paleolithic Period, more than 8,000 years ago, shell mounds made of shells and oyster shells were found in coastal areas around the world.
In the late Neolithic Fujian region, more than 5,000 years ago, knives, shovels, rakes and other tools made of oyster shells were found, which shows that oysters were already an important part of people's daily lives at that time.
Our special administrative region, Macao, was originally called Hao Jing'ao, and this Hao was originally an oyster. This area, because of the abundant production of fresh oysters, is called the Oyster River, so why is it changed to haojiang? This is a gift from the literati yashi, who believe that the word "oyster" is too tacky and inappropriate to climb the hall of elegance, so it was changed to "Haojiang". The Guangdong people call the river also the sea, so it is also called Haohai.
Su Dongpo, a famous foodie in history, also did not leave his mouth during the period when he was degraded to Hainan, so that he had such a worry: What if too many people are degraded to grab my oysters to eat?
There are so many people who love oysters, oysters are soon not enough to eat, so China first began to cultivate oysters. The original method was to put oyster seedlings on stones and throw them into the sea, but later improved to raft culture, that is, the oysters were raised in the sea with rafts hanging down ropes and cages, so that harvesting was relatively convenient.
It takes 3-5 years for oysters to grow from seedling to adulthood, filtering countless seawaters and living for twenty years if they are not eaten. Pictured below are juvenile oysters.
Nearly 80% of the world's oysters are now farmed in China. Since oysters eat detritus and plankton in the seawater, oysters produced in different places will have different flavors, oysters in Bohai Bay will have a faint muddy smell, and oysters along the Yellow Sea coast will have the taste of watermelon peel. Oysters along the coast of Guangdong and Guangxi are tender and sweet, more palatable than oysters in the north.
Fresh oysters are best eaten raw, pour a little lemon juice, and suck it up.
That's how the noble ladies in "My Uncle Hule" eat it, and the oysters on the tip of the tongue are a subtle feeling.
The oysters are cooked and another delicacy, and the charcoal-grilled oysters are one of the protagonists at the night market barbecue stalls.
Oysters, together with eggs and sweet potato flour, become another gourmet oyster fry. It is said that during Zheng's successful fight against the Dutch invaders, the army was short of food, so the local people took out sweet potato flour and oysters, spread cakes and ate with the soldiers. I didn't expect it to taste good, so it was passed down.
Oyster sauce oyster sauce is a seasoning, and oysters can be dried to become oyster sauce.
The best periods for tasting oysters in different places are different. The best tasting period for Fujian oysters is from April to August, oysters in the Liangguang region are best eaten during the Spring Festival from October to Spring Festival, and oysters from Liaoning, Hebei, Shandong province, will not be eaten until December to the Qingming Dynasty.
This is mainly because the oyster breeding period is different in different places. Oysters consume a lot of physical strength and material during the breeding period, and they are not good to eat after ovulation.
To solve this problem, the Yuzi cattle team of the South China Sea Research Institute of the Chinese Academy of Sciences has bred sterile triploid oysters, which can maintain the same taste because they do not ovulate. And triploid oysters can grow intently because they are not distracted, and they will be much larger than their normal counterparts.
Oysters are hermaphrodites that mature eight to ten months after hatching, and oysters are initially male, becoming females when the temperature is right, and returning to males after the water temperature gets colder. This may be because the temperature is more conducive to the growth of young shellfish.
This gender-changing nature inspired the writer of Greek mythology, the god Uranos, after being castrated, tossed the indescribable into the sea, splashing foam, giving birth to Venus and oysters. In fact, Botticelli drew it wrong, and Venus Station should have been an oyster shell.
In Western tradition, oysters are also an important nutraceutical and gastronomic product.
Legend has it that Julius Caesar also attacked Britain to monopolize the fat oysters there.
Napoleon also said: "Oysters are my best weapon to conquer enemies and women!" ”
Maupassant, Balzac, and Hemingway all loved oysters.
Eisenhower and Bassa Nova even ate oysters as a meal.
Oysters give them enough nutrition, passion and confidence to lay a solid foundation for their success.
Oysters are reef-building shellfish that can create new land and stabilize the coast.
The ancients recognized this property of oysters and consciously used it to reinforce some buildings and beware. The earliest raft-shaped foundation bridge, Luoyang Bridge, was built first and then reinforced by breeding oysters on the piers.
Oysters can also produce pearls, and the shell can be medicated or made into calcium tablets.
Oysters can also clean the marine environment, because of their feeding habits, each oyster can filter 150-200 liters of seawater per day, can purify the water quality, prevent the occurrence of red tide.
Their growth can also reduce carbon dioxide in the air, and the global annual production of 6 million tons of oysters can fix more than 3 million tons of carbon dioxide, equivalent to the role of more than 100,000 large trees. It can be described as the backbone of protecting the environment.
Summary: Oysters are delicious.
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Oyster ware of the Azushiyama culture
Author: Wang Youwei Title: Popular Archaeology
Raft-farmed oysters are favored
Author:Nongying Title: "Rich World"
Development and utilization of oyster shells
Author: Miao Jianyin; Zhao Haipei; Li Chaozhu; Chen Yanhui; Fang Huaiyi Title: New Agriculture
Engineer of the Oyster Reef ecosystem
Author: The Nature Conservancy (TNC) China Project Title: Man and the Biosphere
Comparative analysis of nutritional quality and flavor characteristics of major oyster cultivars in coastal China
Authors: Lin Haisheng; Qin Xiaoming; Zhang Chaohua; Huang Yanqiu; Gao Jialong; Liu Linlin; Luo Bei; Yang Invention; Title: Southern Fisheries Science