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height: 393px;"/></p><p> 热风干燥：将新鲜的蓝莓均匀铺于托盘内，在干燥箱内烘干，烘箱温度设定为60 ℃，烘干时间约为16 h，烘干后蓝莓果实含水量为(5±1)%。</p><p>三、结果表明：</p><p> 蓝莓的共晶点为-33 ℃，共熔点为-30 ℃；真空冷冻干燥蓝莓复水性好，且果实中VC、总花色苷和总酚的含量分别为5.52 mg/100 g、1.55 mg/g和3.55 mg/g，显著高于热风干燥的产品。因此，真空冷冻干燥在保持蓝莓复水性、感官品质和活性成分等方面比热风干燥具有明显优势。</p><p><br/></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: baseline; list-style: none; color: rgb(51, 51, 51); font-family: "Microsoft YaHei", simsun, "Helvetica Neue", Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 14px; vertical-align: baseline; list-style: none; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: rgb(251, 253, 255);">上海田枫仪器有限公司</span><a href="http://www.tfyqchina.cn/" _src="http://www.tfyqchina.cn" se_prerender_url="complete" style="box-sizing: border-box; margin: 0px; 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