long-term preservation Learn more about long-term preservation
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How to preserve Sweet Potato leaves for a long time
Long-term preservation of sweet potato leaves can be dried in the sun. The specific method is to dry the fresh sweet potato leaves in the sun for a few days, then put them in a bag or wrap them in aluminum foil and put them in a ventilated and cool place, and then take them out to soak and wash them.
2020-11-09 Sweet potato leaf how leaf how long-term preservation long-term preservation -
Long-term fresh-keeping and storage technology of jujube
1. Technical features. The application of this new technology can safely preserve fresh winter jujube for 6 months and 12 months, and the rate of rotten fruit is less than 5%. The storage results do not change color, do not deform, have no peculiar smell, and the sensory quality can reach 80% to 95% of that before storage. The preservation rate of vitamin c (vc), the main nutritional ingredient, is more than 80%, and the preservation rate of water and soluble solids content is not less than 95%. From postharvest storage to sale, green fruits with high vc content can be provided to consumers throughout the year without the use of any chemicals or radiation.
2019-01-16 -
The new national standard of Fuding white tea was formally implemented on May 1. There is a standard basis for long-term preservation of white tea.
1. The water content standard of white tea is adjusted from 7% to 8.5%. The category of white tea has been adjusted from Baihao silver needle, white peony and Gongmei to four categories: Baihao silver needle, white peony, Gongmei and Shoumei. The storage of white tea.
2018-05-05 -
A New method of Preservation and Preservation of Fish
Fresh fish has a new method of anticorrosion, Moscow Meat and Milk Industry Research Institute of Russia has developed the use of glycerol spraying method to prolong the preservation time, so that the stored fresh fish to maintain the original flavor. The new technology of glycerol spraying is formulated as follows: glycerol 1% Mel 20%, hydroxyethylamide 0.15% Mel 0.3%, sorbic acid 1% Mel 5%, polyvinyl alcohol 0.3% Mel 30%, and the rest is water. Spraying the preservative on the fish can slow down the oxidation and realize long-term fresh-keeping.
2019-01-15 -
Vegetative Storage and Preservation of Tea Plant
The direct preservation of tea plant nutrients in the field requires a lot of land and labor, so the long-term preservation techniques of tea roots, seedlings, seeds and pollen were studied. The preservation of roots is to sterilize the lignified roots before spring germination and store them in plastic bags together with sterilized semi-dry soil or water moss in an environment of 1-5 ℃. After 7 years of preservation, the number of adventitious buds can be up to 70%. The roots could still be regenerated after 6 years storage at 1 ℃. The consumption of carbohydrates in root tissue after preservation at low temperature
2019-01-16 -
What happens when you eat the preservative?
What happens when you eat the preservative?
2018-07-04 -
Forming bonsai, such as beauty, needs long-term maintenance.
People who like bonsai with flowers and trees are people with sentiment. No matter how good the bonsai is, it still can't show the beauty of bonsai. Of course, no matter how good it is, it's just a potted plant. At best, you can enjoy a lush and thriving.
2018-09-15 -
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. -
Processing Technology of Special Feed (Silkworm Feed)
The special feed processing technology of Wuxi Scientific Research and Design Institute of the Ministry of domestic Trade (Wuxi 214035, Jiangsu Province) includes three parts: industrial processing of artificial feed for silkworm, nutritional formula and breeding. In the aspect of processing, it is the first to create a new technology of dry heat killing and drying of fresh mulberry leaves, adopting technologies such as micro-comminution, mechatronics, addition of feed active substances, preservative sterilization, molding and packaging, etc. the technical difficulties of raw material preservation and drying, crushing, wet body mixing and long-term preservation of silkworm artificial feed were solved, and the new silkworm artificial feed was produced on a large scale.
2019-01-16 -
How to preserve spinach for a long time in the latest winter
Spinach is a popular vegetable, with autumn spinach, spring spinach and so on. But now through out-of-season cultivation, it can basically be planted all year round. When growing spinach in winter, if it is not all on the market after harvest. Then you need it.
2020-11-10 The latest winter spinach how long-term preservation is a kind of -
How to improve the emergence rate and seedling preservation rate of cotton in spring
The main reasons for the low emergence rate and low seedling preservation rate of cotton are the poor quality of soil preparation: uneven land, uneven soil moisture and thick dry soil layer in some places, which can not produce the whole seedling after sowing. Long-term plastic film cotton planting: resulting in too much residual film on the surface of the soil, causing some seeds to be sowed directly on the plastic film in the soil.
2018-09-10 -
Storage and preservation of fresh peach
The main results are as follows: 1. Frozen peaches are easy to suffer from freezing injury in low temperature storage, and there is a risk of freezing at-1 ℃. Therefore, the suitable storage temperature of peach is 0 ℃, and the suitable relative humidity is 90%-95%. Under this storage condition, peaches can be stored for 3-4 weeks or more. However, when the peach is stored at low temperature for a long time, the flavor will gradually fade, and the long-term cold storage will cause freezing injury and browning of the flesh, especially when the peach is ripe in the high temperature environment, the pulp will become dry, spongy and soft, and the pulp around the core will brown obviously. Used in cold storage
2019-01-11 -
How to keep the latest passion fruit for a long time?
Passion fruit is named because of its rich nutrition, fragrant smell and the aroma of guava, mango, banana and other fruits, which can relieve inflammation and pain, invigorate blood circulation and strengthen body, lower blood fat and blood pressure, nourish yin and kidney, refresh spirit and drink, eliminate fatigue, detoxify and nourish beauty, and pregnancy can increase.
2020-11-10 The latest passion fruit how preservation time long -
Why the old dead chicken?
Before getting ready to enter the chicks, the henhouse was not thoroughly disinfected, the heat preservation equipment was lacking, and the chicks did not drink and eat as soon as possible after entering the house, failing to raise chicks carefully and cultivate strong seedlings. In winter, only pay attention to the heat preservation of chicks, while ignoring the heat preservation of medium and big chickens, resulting in a large number of chicken deaths. Lack of long-term planning, the chicken house is simple, the basic facilities and technical conditions are poor, and it is greatly affected by the external environment. For example, the heating of coal stove is often used during the breeding period, and the temperature can not be adjusted automatically, and the temperature will rise and fall, which can easily lead to the disease and death of chickens. Do not know the technology of raising chickens. Many chicken farmers only talk about efficiency.
2019-01-16 -
Three methods of storage and preservation of fresh peach
Refrigerated. Peach is easy to suffer from freezing injury in low temperature storage, and there is a risk of freezing at-1 ℃. Therefore, the suitable storage temperature of peach is 0 ℃, and the suitable relative humidity is 90%-95%. Under this storage condition, peaches can be stored for 3-4 weeks or more. However, when the peach is stored at low temperature for a long time, the flavor will gradually fade, and the long-term cold storage will cause freezing injury and browning of the flesh, especially when the peach is ripe in the high temperature environment, the pulp will become dry, spongy and soft, and the pulp around the core will brown obviously. In the freezer.
2019-01-16 -
Preservation method of Tricholoma matsutake
Preservation method of Tricholoma matsutake
2018-07-07 -
The total amount of collection and conservation of grass germplasm resources in China ranks first in the world.
Grass germplasm resources are not only an important part of biodiversity, an important national strategic resource, but also an important carrier of environmental protection and ecological construction. Over the years, the Ministry of Agriculture has organized grassland management departments at all levels and scientific research and technology extension units to vigorously promote grass seed quality.
2016-03-20 China grass germplasm resources collection preservation total amount -
What is the harm of preservatives to people?
What is the harm of preservatives to people?
2018-07-04 -
Wrong ideas when planting fruit trees
Wrong ideas when planting fruit trees
2019-12-14 -
How to preserve fresh Toon Bud
Fresh Toona sinensis buds are graded according to thickness, length and color, packed in plastic or paper bags, placed in a cool and ventilated place or in the refrigerator, open the bag mouth once a day for ventilation, and can be kept fresh for 10-20 days. 1. Short-term fresh-keeping and storage method 1. Picking and preservative treatment: for short-term preservation
2020-11-09 Fresh Toona sinensis Bud how Preservation fresh Bud Press