Pears are a kind of fruit that we often eat in our lives. If the pears you buy are not eaten in time, they will become soft. In fact, they can still be eaten at this time, but the taste will not be as crisp. Fruits are generally eaten fresh, so it is recommended that you eat the purchased fruits in a timely manner.
The reason why pears become soft is that the cells in them enter a state of death. The fiber structure of the pears gradually collapses, so they become soft. Moreover, as the cell walls rupture, the sugars contained in them overflow, so when you eat such pears, they will taste sweeter. However, it should be noted that such pears have almost lost their immunity to external bacteria, so they need to be eaten as soon as possible to avoid spoilage. Nutritional Value Pears are very nutritious and can bring many benefits to the human body after eating. They have the effects of enhancing appetite, reducing inflammation and relieving pain, enhancing memory, clearing the heart and reducing fire, clearing away heat and detoxifying, moistening the lungs and relieving cough, nourishing the kidney and replenishing essence, relieving heat, diuresis and reducing swelling, relieving alcohol, promoting fluid production and quenching thirst, and promoting digestion. Proper consumption can also treat urinary problems, dry mouth and tongue, osteoporosis, getting angry, drunkenness, indigestion, bronchitis, dryness and heat, loss of appetite, sore throat, constipation, typhoid fever, cough, edema, memory loss, pneumonia and other discomfort symptoms. Precautions Eating pears can bring many benefits to the human body, but there are also many things to pay attention to in diet. Pears contain a lot of sugar, so diabetics should not eat pears to avoid aggravating their condition. Pears are cold foods and should not be eaten in large quantities. People with weak spleen and stomach and cold constitution should not eat them to avoid aggravating their condition. However, you can eat cooked pears in small quantities. Is it nutritious if pears become soft after being left for a long time? Nutritious. As long as the pears become soft but not spoiled, their nutritional value does not change. Nutritional value: ⑴ Pears contain 85% water, 6-9.7% fruit grains, 1-3.7% glucose, and 0.4-2.6% sucrose. ⑵ Every 100 grams of edible part contains approximately 5 mg of calcium, 6 mg of phosphorus, 0.2 mg of iron, and 4 mg of vitamin C. ⑶ There is also a certain amount of protein, fat, carotene, vitamin B1B2, malic acid, etc. ⑷ Pears taste sweet and slightly sour, are cold in nature, and non-toxic. They have the effects of "moistening the lungs and cooling the heart, relieving inflammation and reducing fire, and removing phlegm, poison, and alcohol toxins." How to keep pears fresh Most varieties of pears can be packed in cartons and stacked in cold storage for refrigeration. It can be stored for a long time by controlling the appropriate temperature and humidity. The specific method of gradually cooling down duck pears during cold storage is: the temperature can be around 12°C when entering storage, and it should be kept at a temperature of 1°C lowered every 3 days. When it drops to 10°C, keep it for 5 days, and then drop it by 1°C every 3 days. When it drops to 6°C, keep it for 10 days, and then drop it by 1°C every 3 days. When it reaches 1°C, it can be stored at a constant temperature with relative humidity controlled above 95%. It can be stored until April to May of the following year. The use of paper packaging, polyethylene plastic bags or small breathable film packaging, and sealed and atmosphere-controlled storage in plastic tents can not only reduce natural losses, but also delay ripening, extend the storage period, and improve the quality of preservation. Nanguo pears should be harvested late at the appropriate time, preferably in mid-to-late September, packed in paper, wood, or plastic boxes, and stored in cold storage. It can be stored in breathable film bags, which can not only keep moisture but also regulate the gas, with better effect. The storage temperature can be controlled at -1℃~0℃, and the relative humidity at 90%~95%. According to a report from Shenyang Agricultural University: Nanguo pears are stored in a 0℃ low-temperature cold storage with an oxygen concentration of 5% to 8% and a carbon dioxide concentration of 5%, which has a significantly better effect than ordinary storage. |
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