The feasibility of drying on jujube powder
Red jujube as raw materials,the effect of drying methods on nutrional and sensory quality were studied.The result indicated as follows:the jujube powder of vacuum-drying and microwave-drying method kept original color and flavor,low degree of browning and good taste.The product of air-drying processing had low Vc content,poor color and coke bitter.To consider the cost,microwave-drying had lowest cost,great economic benefit and high feasibility.But just from nutritional considerations,recommended vacuum low-temperature drying.