Sea Buckthorn Fruit Powder Food Freeze Dryer

Sea Buckthorn Fruit Powder Food Freeze Dryer

Application advantages of food freeze dryer in sea buckthorn fruit freeze-dried powder： There are more than 190 kinds of bioactive components in sea buckthorn fruit, rich in V-C, V-E, carotenoids, various amino acids, organic acids, oleic acid, linoleic acid, linolenic acid, flavonoids, phospholipids, phenols, trace elements, protein and other essential nutrients for the human body, of which the content of V-C is higher than that of any kind of fruit, and it has the reputation of "the king of V-C". Among the 18 kinds of amino acids, 8 kinds of amino acids are necessary for the human body, and 12 kinds of necessary trace elements for the human body, including It, is high in calcium, iron, zinc, potassium, and selenium. In addition, the sea buckthorn fruit also contains a large number of pharmacologically active substances flavonoids, mainly anthocyanins, and catechins, and also contains triplenoic acid, mainly ursolic acid, and oleanolic acid, picaridin, incense Beans, serotonin, and other bioactive ingredients have anti-tumor, anti-ulcer, anti-inflammatory, anti-arteriosclerosis, anti-radiation, anti-aging, and other effects.

However, at present, many manufacturers pay attention to the immediate economic interests, take the extraction of sea buckthorn oil as the main commodity, and ignore the full utilization of fruit juice, so that the precious and magical fruit juice is wasted in vain. The main reasons for this problem are as follows: Seabuckthorn juice is a highly acidic juice, with an acid content of 3% to 5% and PHZ-3.5. The spoilage of the juice and the browning are also the main reasons for reducing the flavor and quality. Changes in active ingredients, Moreover, since the aldehydes, ketones, acids, etc. in the browning reaction products will produce new bitter, spicy, and odorous tastes, the seabuckthorn juice will lose its commercial value.

According to relevant research, the main harmful bacteria of sea buckthorn juice spoilage is wild yeast flora. It still survives 10% at -20°C for 72h, and the bacterial count doubles when stored at 5°C for 1 month. It can be seen that the cold storage of seabuckthorn juice is still slowly fermenting. Therefore, the beverages and foods produced by the spoiled juice in the past few years have bad taste, which has seriously damaged the reputation of sea buckthorn. Since sea buckthorn juice is a heat-sensitive substance, the sea buckthorn fruit powder prepared by the traditional high-temperature heating and drying method will cause sulfur-containing methionine and cysteine in the juice. In acid degradation, two-thirds of methionine is lost, and cystine is almost completely lost.

It can be seen that preventing fermentation and browning of sea buckthorn juice is the key to maintaining high-quality juice. Over the years, there have been dozens of beverages and foods containing sea buckthorn, but many have been discontinued due to poor sales. As a food raw material, the processing technology of sea buckthorn juice must be developed to a high level. Relying on the progress of science and technology, using modern new food freeze-drying technology, the sea buckthorn fruit freeze-dried powder deeply processed by food freeze-drying equipment not only retains nutrition, health care, and pharmacologically active ingredients but also Solves the problem of fermentation browning.

The sea buckthorn fruit powder food freeze dryer is to pre-freeze a large amount of water in the sea buckthorn juice at low temperature, and heat it under low-temperature vacuum conditions so that the frozen fine ice crystals in the juice are directly sublimated and captured by the condenser, so as to obtain drying. substance. The advantages of this process can keep the color, aroma, taste, and shape of the original substance, the freshness is unchanged, and the rehydration is good so that some heat-sensitive substances are not damaged. The freeze-drying process not only maintains the nutrients of the fresh juice, but also prevents the browning of the juice and solves the problems of fermentation, improves the product quality, reduces the volume, facilitates storage and transportation, and prolongs the shelf life. Seabuckthorn freeze-dried powder is a natural green food without industrial pollution without preservatives added in the production process.

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