The secret of keeping jujube fresh - deoxidizer packaging machine
1. Frequent quality problems of red dates As a high-value food, red dates are more and more widely infiltrated into people's daily life, but red dates are prone to the following problems: (1) Oxidative rancidity, discoloration : Red dates are rich in protein and fat, and their processed products are prone to oxidative rancidity in the aerobic state during processing and storage and circulation, resulting in reduced nutritional value; the rich vitamin content is also easily oxidized, and the appearance changes from the original bright red to dim. (2) Loss of aroma and other flavors: a large part of the aroma components contained in red dates are composed of easily oxidizable organic substances, and oxidation reactions occur in the presence of oxygen, and the change of components causes the loss of the original aroma and gradually produces peculiar smell; At the same time, the water of the red dates itself is gradually lost, causing the jujube meat to be dry and the taste to decrease. (3) Growth of microorganisms: Jujubes are rich in nutrients and have a relatively high water content, which is easy to breed microorganisms, resulting in mildew or moth-eaten, which poses a great harm to human health. 2. The general packaging and preservation method of red dates Red dates are basically picked around September every year. After raw material selection → grading → blanching → drying → softening, most of the grading packaging enters the supermarket for circulation. The packaging methods used generally include ordinary packaging, vacuum packaging and deoxidizer anaerobic packaging. The circulation period of red jujube products is basically about twelve months. After 3 to 5 months of production, the red dates in ordinary packaging begin to appear dark in color, lose their aroma, and even become mildewed and moth-eaten. The process of oxidative deterioration is slowed down, and after December, the nutritional value in red dates is very low. In these two packaging methods, oxygen can continuously penetrate into the bags through the packaging bags, and the nutrients in the red dates are continuously oxidized and lost, and the flavor is lost. , microorganisms can breed, product quality deteriorates, and the problem cannot be solved fundamentally, and deoxidizer anaerobic packaging solves these problems. 3. The fresh-keeping effect of deoxidizer packaging machine on red dates Deoxidizers are also called oxygen absorbers, deoxidizers, free oxygen absorbers, and deoxidizers. They can oxidize with free oxygen and dissolved oxygen at room temperature. The activity of the deoxidizer The substance chemically reacts with oxygen, thereby absorbing the oxygen in the airtight food packaging bag, reducing the oxygen concentration in the bag to below 0.3%, and maintaining a relatively anaerobic state for a period of time. Under such anaerobic conditions, it can prevent the occurrence of insect pests, inhibit the growth and reproduction of aerobic microorganisms such as mold, prevent the oxidation of oil and fat, prevent the oxidative deterioration of nutrients and the oxidative discoloration of food, and maintain the freshness of food. The use of deoxidizers also has the following advantages: (1) It is not directly added to food and does not affect food safety; (2) It does not affect food flavor and has a wide range of applications; (3) The product has high safety, even if it is eaten by mistake. Will harm the human body; (4) easy to use, low price. In daily life, we will encounter a lot of fruits that need insurance. Here, we only need preservatives. We are a manufacturer of deoxidizer packaging machines. We escort your products. Our goal is very simple, Become a leader in the packaging industry!
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