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How to Store and Preserve Fresh Peaches? Introduction to Three Practical Methods
Cold storage. Peaches are prone to chilling injury during low-temperature storage, and there is a risk of freezing at -1°C. Therefore, the suitable storage temperature for peaches is 0°C, and the suitable relative humidity is 90%-95%. Under these storage conditions, peaches can be stored for 3-4 weeks or longer. However, when peaches are stored at low temperatures for a long time, the flavor gradually becomes bland. Long-term low-temperature cold storage can cause chilling injury to the peaches, with the flesh turning brown. In particular, when the peaches are moved to a high-temperature environment for ripening, the flesh becomes dry, mealy, and soft, and the flesh around the pit turns noticeably brown. In the cold storage
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Detailed Explanation of Key Techniques for the Storage and Fresh-Keeping of Huangjin Pear
1. Key points of storage technology 1.1 Timely harvesting In North China, the suitable harvesting period for Huangjin pear is from September 20 to 30. At this time the fruit has developed to maturity, nutrients have accumulated sufficiently, and storability is at its best. Pears harvested early (September 10) have a higher rot rate throughout the storage period, and the peel is highly prone to browning. If harvested too late (early October), brown scald disease occurs more seriously during storage (at 18.94%). During harvesting, special care must be taken to avoid bruising. 1.2 Grading The purpose of fruit grading is to achieve commercial standardization. Our
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A Detailed Guide to the Application of Fresh-keeping Technology for Exported Garlic
Garlic is one of the main varieties of agricultural products exported from China, with an annual export volume of about 300,000 tonnes. Of this, refrigerated (fresh-keeping) garlic accounts for about 60% of total exports. Therefore, whether the fresh-keeping technology is mature has a direct impact on the quality of exported fresh-keeping garlic. I. The fresh-keeping principle of garlic. After the cloves of a garlic bulb develop and mature, the bulb immediately enters a dormancy period of 1-2 months, during which it will not sprout even under suitable environmental conditions such as temperature, humidity and gas composition. After the dormancy period, the bud sheath and bud primordium begin to grow and become active, and under suitable conditions the young sprouts gradually germinate. In practice, the storage and fresh-keeping of garlic means that after the dormancy period of the bulb, necessary measures are taken to create unsuitable growing conditions and thereby force it to remain dormant. That is, through appropriate low-temperature, low-oxygen and other measures, its intensity of life activity is inhibited, the rate of consumption of its substances is reduced, and its original fresh state is maintained.
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A new method for keeping garlic fresh, teaching you to store it longer
5-10 days before harvesting garlic, spray the basal leaves with a 0.2% maleic hydrazide (MH) sprout inhibitor. The MH sprout inhibitor is absorbed through the leaves and transferred to the young sprouts of the garlic cloves, thereby inhibiting their growth and achieving the purpose of keeping them fresh. With this method, garlic can be stored until April of the following year. The following points should be noted when spraying the chemical: 1. Do not water for 3-4 days before spraying the solution. If rain occurs within 24 hours after spraying, immediately re-spray the solution once at the original dosage after the weather clears. 2. Strictly control the concentration of the maleic hydrazide (MH) sprout inhibitor, which must not exceed 0.
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How to Store and Keep Sweet Potatoes Fresh? A Detailed Explanation of Practical Technical Points
I. Building the sweet potato cellar The cellar site should generally be chosen at a corner of the courtyard, with a cellar hole dug 3-5 m deep, the mouth of the hole about 80 cm in diameter, and at the bottom 2-3 storage chambers dug to the side, each 1.7 m high, 1.4 m wide and 3 m deep. If it is an old cellar, the loose soil on the cellar walls needs to be scraped off, and then a fungicide should be sprayed to prepare it for storing the sweet potatoes. II. Preparation before storage and harvesting techniques After Frost's Descent, it is time to harvest sweet potatoes. Harvest should be done on a clear, windless day, taking care to dig, handle and transport gently, and to prevent digging injuries as much as possible.
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How to Keep Mutton Fresh: Practical Methods to Extend Its Shelf Life
Fresh mutton, especially a freshly slaughtered carcass, has a suitable temperature and is rich in nutrients, making it ideal for bacterial growth and reproduction. Particularly in hot weather and seasons, under natural conditions it will spoil and deteriorate within a few hours, and sometimes it even begins to discolor and spoil before it reaches the market or is sold out. Given this situation, freshly slaughtered mutton, whether for short-term storage or for slaughter-to-order sales, must be cooled or refrigerated promptly so that the meat temperature drops below 5°C in time, in order to reduce bacterial contamination and extend its shelf life.
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Xianmi jujube is a premium variety among fresh-eating jujubes.
1. Early to market: it ripens in early September (Zhanhua winter jujube ripens in early October), so it can be marketed during the Mid-Autumn Festival. It can also be picked and sold at the wax-ripe stage in late August, when the flesh is relatively crisp, with little residue, abundant juice, a rich and very sweet flavor, and a quality that has already reached the upper-intermediate level. 2. Large fruit: the fruit is short and round, with a purplish-red skin, thin skin and thick flesh, and a very small pit; the average single-fruit weight is 28 g (Zhanhua winter jujube is 14 g), and large fruits reach 40 g, giving it an excellent appearance for the market. 3. Excellent quality: the flesh is extremely fine, especially crisp, very juicy, and sweet,
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Storage and Fresh-keeping Techniques for Peach, Plum and Apricot Fruits (Part Two)
III. Pre-storage Agricultural Measures for Peach, Plum and Apricot 1. Selection of Storage Varieties Early-maturing varieties are not tolerant of storage and transport, such as honey peach and Wuyuexian. Mid- and late-maturing varieties have better storage and transport tolerance, such as Feicheng peach, Qingzhou honey peach and Shaanxi winter peach, which are relatively tolerant of storage and transport; varieties such as Okubo and Gangshanbai, Yanhong also have good storage and transport tolerance. Clingstone varieties and soft-fleshed varieties have poor storage and transport tolerance. The storage and transport tolerance of plum and apricot is similar to that of peach; varieties such as Niuxin plum and Hebei rock sugar plum have good quality and are also tolerant of storage. 2. Pre-harvest Agricultural Technical Measures Pre-harvest
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Garlic Storage and Fresh-Keeping Methods and Key Technical Points
Storage of garlic sprouts, garlic scapes and fresh garlic bulbs ① Ice cellar storage: Choose a shaded, sealed room or basement as the cellar. The cellar floor should have a drainage ditch leading outside, spread a 0.8 m thick layer of ice on the floor, and build ice 0.5 m thick against the walls, up to near the roof. Tie garlic sprouts or garlic scapes into bundles of 1 kg, put them into plastic film bags with 15 kg per bag, tie the outside with rope and stack them in the cellar, filling each layer with ice fragments, stacking until about 2 m from the roof, then seal with a layer of ice on top, and spread a 1 m layer of rice husks over it to seal tightly and prevent the ice from melting. This allows garlic to be stored for more than half a year.
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What are the methods for keeping shiitake mushrooms fresh with sealed packaging and refrigeration?
There are many methods for keeping shiitake mushrooms fresh, including quick freezing, refrigeration, chemical treatment, controlled atmosphere, and microwaving. Shiitake mushrooms to be kept fresh by dehydration and refrigeration should stop being sprayed with water 10 hours before harvest and be harvested when they reach eight-tenths maturity. After harvest, select them and remove impurities, cut off the mushroom stems, grade them according to customer requirements, then place the shiitake mushrooms on a mat with the gills facing down and dry them in sunlight. In autumn and spring, dry them for 3-4 hours; in summer, dry them for 1-1.5 hours. After drying, the dehydration rate of the shiitake mushrooms is 25%-30%, that is, 100 kg of fresh shiitake mushrooms becomes 70-75 kg after drying. At this point, when pinched
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