Cuttlefish seeds, which can be said to be the most difficult to obtain, are small in size, and they are all unwilling to spend a lot of time on them. Most people will put these cuttlefish seeds into some delicious food, and some people will make these good things into different medicinal materials, which are often rejected because of their taste.

Gold foil is a thin sheet hammered with gold. One gram of gold can be made into pure gold foil of about 0.5 square meters with a thickness of 0. 12um. The high-purity pure gold foil (2.75*2.75) produced from the clean workshop, namely "edible gold foil", can be used as an additive for drugs, alcohol, cakes, cosmetics, etc., which can not only improve the quality of goods, but also benefit health and beauty.

Foie gras. The French name foie gras is $50 a pound. Together with caviar and truffles, it is called "three delicacies in the world". Foie gras is the most famous food in France. It has always been the favorite of gourmets and the most painful for animal protectors. Although nutritionists believe that foie gras does not conform to modern healthy diet, it is still popular all over the world. In terms of the grade of fatty liver, the highest fatty liver is the whole fatty liver. The lower-grade fatty liver is the fatty liver sauce made of fragmentary fatty liver, and the raw material is the fatty liver chips left over from canning the whole fatty liver or making other products.

White truffle, a kind of wild fungus, is called "the diamond of cooking" because of its extremely high price. At present, it can only be collected and excavated by specially trained dogs or pigs, and the output is extremely low. Usually, white truffles can be sold for tens of thousands or even hundreds of thousands of yuan per kilogram. At the beginning of each 10, when the Arba Expo is held, white truffles, like sacrifices, are carefully offered in the glass covers of each booth for pilgrims to worship.

Weixian radish, many people say that radish is rare and precious, but it really is. That is the serious Weixian radish, which is just a small piece of land that ordinary people can't buy. Now, if you have the right to have money, you can't buy it. That land has now been built. The radish in Weixian county on the market now is just the same as that in the past, but it is not authentic "Yantai apple Laiyang pear, not as good as Weifang radish skin".

How precious are saffron, red gold and saffron? Let's just say that if you want to make 0.45 kg of saffron, you have to collect 75,000 flowers!