According to Baidu's encyclopedia, apple juice concentrate is a fruit juice made from apples through concentration technology, which contains less water than other apple juices and saves packaging and transportation costs.

The main methods of concentration are vacuum concentration, freezing concentration, reverse osmosis concentration. Clarified juice is concentrated by vacuum concentration equipment to 1/5 to 1/7, sugar 65% to 68%. Because the pectin, sugar and acid **** storage will form part of the gel, so turbid juice concentration limit of 1/4.