Peach is rich in Vitamins and has a high nutritional value. However, the stalls do not allow you to deliberately save, and often cannot keep fresh, but clever use of cold storage and other methods can save peaches for a long time. (1) Fresh-keeping method A suitable refrigeration temperature is -0.5°C - 0°C and a relative humidity of 90%. If you want to store for a long time, you must strictly control the temperature of the cold storage, the temperature of the storage can't fluctuate, and there is the possibility of freezing below -1°C. Peach can be properly ventilated and ventilated at the beginning of storage. At low temperatures, symptoms of cold damage occur after 2 weeks. When cooked in high temperature conditions, the flesh will dry out, become wavy, become soft, and the flesh around the nucleus will become brown. When severe, the outer skin can be seen. To the pattern, and the skin is dark and dull, the flavor changes. Peaches stored at 2[deg.]C to 5[deg.]C are more prone to flesh deterioration than peaches stored below 0[deg.]C. The more resistant varieties can be stored for 4 weeks under stable conditions of -0.5°C to 0°C, with good quality. Peach refrigerated for too long, it will be light and boring, so its storage period should not be too long. (2) Modified atmosphere storage and preservation method Peaches can be stored for 6 weeks in a controlled atmosphere with a temperature of 0°C, a relative humidity of 85%-90%, a volume fraction of carbon dioxide of 5%, and an oxygen content of less than 1%, which is better than storing peaches in the air. The period is extended by 1 time. If the brick or zeolite impregnated with potassium permanganate is added to the modified atmosphere bag to absorb ethylene, the effect will be better. According to reports, the spontaneous atmosphere storage using fresh-keeping bags and CT series modified atmosphere preservatives can be stored for 2 months at 0°C-2°C and at least for 8-10 days at 25°C-30°C. (3) Chemical storage and preservation methods During peach storage, peaches are often rotted due to brown rot. Before the peaches are stored, if the benomyl suspension with a mass fraction of 0.1% is soaked at a temperature of 40°C for 25 minutes, peach rot can be prevented. Good preservation of peaches not only ensures the retention of vitamins and other nutrients, regular consumption has good effects on human health.
Intermediate – Intermediate: A material produced during a drug substance processing step that must undergo further molecular modification or refinement to become a drug substance. Intermediates may or may not be isolated. Intermediates are the key products of the previous process of making APIs, which are different in structure from APIs.
Ceftriaxone sodium powder is called preparation, sterile ceftriaxone sodium is called API, and 7-ACA is called intermediate.
Our company specializes in providing key intermediates for various APIs
Intermediate is a very important type of fine chemical products. Its essence is a type of "semi-finished product", which is an intermediate product in the production of certain products. For example, if a product is to be produced, it can be produced from intermediates, saving costs and reducing It is widely used in the synthesis of medicines, pesticides, coatings, dyes and spices. In the field of medicine, intermediates are an important link in the industrial chain of the pharmaceutical industry. They are used for some chemical raw materials or chemical products in the process of drug synthesis. In a word, they are used to produce APIs.
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for example:
Amoxicillin capsules are called preparations, amoxicillin is called API, and 6-APA is called intermediate.
How to save peaches