and preservation Learn more about and preservation
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How to use food preservatives?
How to use food preservatives?
2018-07-04 -
What happens when you eat the preservative?
What happens when you eat the preservative?
2018-07-04 -
What is the harm of preservatives to people?
What is the harm of preservatives to people?
2018-07-04 -
If you want to eat preserved eggs and worry about lead, you can make lead-free preserved eggs by yourself.
When it comes to preserved eggs, I think of the changed eggs made in my hometown, which is also a kind of preserved eggs, but what is different from pine flower eggs is that they are made from eggs, not duck eggs. But the taste is also very good, and it looks more appetizing, like fruit.
2018-08-03 -
Does the preserved egg contain high lead? what if the heavy metal content exceeds the standard? Preserved egg export market US and Canada earn foreign exchange
Preserved eggs have a special smell and are a common ingredient in China. At present, they are also exported to the United States, Canada and other countries, but the European Union has not yet allowed Taiwan to import preserved eggs, and the Food and Drug Administration is currently submitting it to the European Union for review. In addition, there are many rumors about preserved eggs, even skinned.
2019-04-17 Preserved egg containing lead high content heavy metal content exceeding the standard how to do -
Methods of preservation and preservation of mulberry
Methods of preservation and preservation of mulberry
2019-07-10 -
How to preserve Edible Fungi
How to preserve Edible Fungi
2019-09-09 -
Preservation Technology of Edible Fungi
Strain is not only the main biological resources, but also the primary means of production for the production of edible fungi. After a good strain has been selected and bred, its excellent characters must be kept unchanged or changed slowly as little as possible, so that the production performance will not be reduced and can be used in production for a long time. Therefore, the preservation of strains is of great significance in the production of edible fungi. First, the principle of strain preservation there are many methods of strain preservation, but the principle is more or less the same. First of all, good purebred should be selected. The use of spores, spores and nutrients of microorganisms; secondly, according to their physiology and biochemistry
2019-01-16 -
How to preserve the kiwifruit "King of Vitamin C"? How to promote ripening and preservation of undercooked ones?
Kiwifruit, also known as kiwifruit, fox, wild pear and rattan pear, is a kind of high-vitamin fruit on the market in August. It is very popular because it is rich in vitamin C and a variety of amino acids, but it is not resistant to storage. So try to buy as much as you can when you buy.
2020-11-09 "Wei Wang " kiwifruit should be preserved not ripe. -
"awakening" sleeping microbial strains
"awakening" sleeping microbial strains
2019-02-18 -
Seven simple and feasible preservation methods of edible bacteria
Seven simple and feasible preservation methods of edible bacteria
2018-10-29 -
Preservation of edible mushroom strains
Usually take the following two methods of preservation: slope low temperature preservation method. This is the simplest preservation method, that is, the vigorous and pollution-free slant test tube is put in the refrigerator and preserved at a low temperature of 4 ℃ ~ 6 ℃, and then transferred to the fresh slant medium every 2 to 3 months, and then preserved after culture. The other is liquid paraffin preservation. This method is to inject sterilized liquid paraffin in the aseptic room in the inclined test tube to be preserved, and it is appropriate to inject wax 1 cm higher than the inclined surface. Then plug it with a cork or rubber.
2019-01-16 -
Knowledge of flower preservation let flowers accompany you to watch sunrise and sunset
Knowledge of flower preservation let flowers accompany you to watch sunrise and sunset
2019-03-05 -
Key points of fresh-keeping technology of mushroom
The main factors affecting the preservation of mushrooms are as follows: temperature: the higher the temperature, the worse the preservation of mushrooms. 0-4 ℃ is the suitable temperature for mushroom preservation. In addition to quick freezing, freezing injury is easy to be caused when the temperature is less than 0 ℃. Water quality: when the content of iron or copper in the water is more than 2 mg / L, the mushroom color darkens and turns brown, so iron and copper utensils and tools are prohibited. Humidity: 95-100% required. Less than 90% of the color darkens and it is easy to open an umbrella and deteriorate. Gas composition: it contains important causes of decay, which can be inhibited by sterilization and adjusting pH value. Enzyme activity
2019-01-16 -
How to grow preserved plum bonsai? is it good to grow preserved plum bonsai?
How to grow preserved plum bonsai? is it good to grow preserved plum bonsai?
2018-09-24 -
How to preserve hairy crabs
How to preserve hairy crabs
2018-07-04 -
A Simple Method for Preserving Mother Species of Edible Fungi
A Simple Method for Preserving Mother Species of Edible Fungi
2018-07-01 -
Preservation of Mother species of Edible Fungi
The mycelium of edible fungi propagates quickly and is easy to mutate, so it is difficult to preserve the strains. This paper introduces four effective and simple methods. 1. Liquid paraffin preservation method: after high-pressure sterilization of liquid paraffin, put it in a thermostat for several hours or in a dryer for several days, absorb liquid paraffin with a sterile straw or syringe and inject it into the strain test tube. The injection amount should be about 1 cm higher than the tip of the inclined plane. Plug with cotton stopper, seal with wax, store upright in low temperature, can be preserved for 5 years. 2. weigh a certain amount of wheat bran by preservation method, add water or nutrient solution and mix well.
2019-01-15 -
The latest preservation methods of mulberry
Mulberry is the fruit of mulberry trees, mulberry leaves can not only raise silkworms, the fruit is also very delicious, the fruit is green at first, harder, later is slowly red, and finally becomes black after full maturity. At this time, the pulp becomes much softer and easily broken, so
2020-11-10 The latest mulberry preservation method yes knot -
Preservation of Edible Fungi
1. Distilled water method. It is suitable for Pleurotus ostreatus, Flammulina velutipes and Lentinus edodes. 1. Preserve Pleurotus ostreatus and Flammulina velutipes. After 80% of the bacteria to be preserved in the test tube were transferred into the inoculation box for sterilization, the medicinal syringe was injected with steamed water from the test tube plug to submerge the culture medium to 2 cm at the mouth of the tube. The mouth of the tube is sealed with mineral wax and stored in a cool place at room temperature for 1 to 1.5 years. two。 Preserve Lentinus edodes and fungus strains. A 150x15mm finger tube will be used to culture medium well's solid or
2019-01-16