Fruits are wealthy in dietary fibers, vitamins, phytonutrients, and antioxidants, with no cholesterol. They’ll provide us with energy and improve our immunity. With increasingly folks realize the health benefits of fruits, varied fruit products turn out to be in style. To prolong the shelf life of fruits, people invented canned fruits, dried fruits, and fruit juice powder.
What is fruit juice powder?
Fruit juice powders are concentrated fruit juice dehydrated by spray drying technique. Its moisture content is 1%-3%. Besides, there are freeze drying and drum drying 2 strategies.
Fruit juice usually have 85% water content. Making it into powders can cut back the amount and prolong its shelf life, and preserve the color, flavor, and tastes as a lot as attainable.
The production means of fruit juice powder
The production of fruit juice powder is the production of concentrated fruit juice added with drying process. It can be divided into 3 components:
– Raw materials pretreatment: fruit sorting, cleansing, crushing, heating, enzyme remedy.
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– Juice processing: fruit juice focus, drying, cooling, packing.
Spray drying course of
Spray dryer is used to provide milk powder and herbal protein powder fruit and vegetable juice powder powder. Spray dryer is composed of a air heater, spray system, drying room, accumulating system, and air blower for stress supply and air suction.
Within the drying course of, the fruit juice and pulp are sprayed out in the type of fog droplets. Then they suspend in the new air. Throughout the contact with scorching air, the moisture evaporate rapidly. After this course of, the answer, emulsion or pulps will be dried into powders and granulates, with no need for the evaporation and crushing course of.
The spray system has 3 varieties: Pressure spray, airflow spray and centrifugal spray. They undertake completely different working principle. Pressure sprayer require the least energy consumption. But the nozzles are small and easy to block, not suitable for prime-viscosity liquid and liquid with small particles. Airflow sprayer has high power consumption, nevertheless it has easy structure and wide utility. Centrifugal sprayer applies to excessive-viscosity liquids and liquid with particles, nevertheless it has excessive manufacturing issue and cost.
The sketch of spray dryer
Applications of fruit juice powder
– Used as uncooked supplies for making fruit juice and wine.
– Function food additives. It can’t only enhance the color, taste and taste of meals, however improve the nutritive worth.
– Further course of. Fruit peel, core, shell powders comprise pectin and different substances, which can function raw materials for some meals and medicines.
Fruit juice powder can be used to make prompt powder mix, fruit cake, milk powder, sandwich biscuit, dietary supplements, infant meals, puffed food, spices, pastries, chilly snacks, and immediate food. They will improve the added worth of food.
Advantages of fruit powders
– With all water content removed, fruit juice powder has lengthy shelf life.
– Low weight and quantity can cut back price for storage and transportation.
– Wide functions. Fruit juice powder can be used as a flavoring agent in cooking and numerous food.