文献类型：期刊文献

中文题名：基于低温与回潮条件的当归干燥Weibull函数模拟及其干燥特性研究

英文题名：Study on Weibull function simulation and drying characteristics of Angelicae Sinensis Radix drying based on low temperature and resurgence conditions

作者：李波[1,2,3];王明伟[1];强正泽[1];李旭[1];李成义[1];郑贵森[1]

第一作者：李波

机构：[1]甘肃中医药大学,甘肃兰州730000;[2]兰州市肺科医院,甘肃兰州730000;[3]甘肃天士力中天药业有限责任公司研发中心,甘肃兰州730000

第一机构：甘肃中医药大学

年份：2019

卷号：50

期号：13

起止页码：3052

中文期刊名：中草药

外文期刊名：Chinese Traditional and Herbal Drugs

收录：CSTPCD;;Scopus;北大核心:【北大核心2017】；CSCD:【CSCD2019_2020】；

基金：国家中药标准化项目“当归等4种中药饮片标准化建设”(ZYBZH-Y-GS-11);甘肃省重点研发计划“陇药当归、党参原产地加工关键技术提升研究”(18YF1FA085);甘肃省自然科学基金“当归水分含量测定方法代替研究”(1508RJZA013);兰州市人才创新创业项目“‘滋阴益肺’制剂的研发”(2017-RC-19)

语种：中文

中文关键词：当归;干燥;阴干;低温回潮;Weibull分布

外文关键词：Angelicae Sinensis Radix;dry;low temperature and dry;low temperature resurgence;Weibull distribution

摘要：目的研究当归在低温阴干及低温回潮干燥条件下的干燥及回潮特性,明确低温及回潮对当归干燥过程的影响。方法采用Weibull分布函数和1st Opt软件模拟当归在低温阴干和低温(40、55℃)回潮条件下的函数模型,分析模型参数、干燥曲线、相对干燥回潮率、有效水分扩散系数(Deff)、干燥活化能等指标,对比低温阴干和低温回潮干燥条件下当归的干燥特性。结果低温阴干和低温回潮干燥方法均可使当归干燥,且低温回潮干燥方法可极大缩短当归的干燥周期,Weibull函数模型及线性回归拟合方程结果理想,当归低温阴干Deff为0.20959mm^2/h,低温回潮干燥Deff在4.48940~4.56690mm^2/h,低温干燥条件下当归干燥活化能为80.75kJ/mol。结论低温回潮干燥方法较传统低温阴干具有明显优势,该研究可为提升当归传统阴干干燥技术,建立新的适宜当归产地加工的干燥方法提供理论和技术依据。
Objective To clarify the effects of low temperature and dry in shade on the drying process of Angelicae Sinensis Radix (ASR), the drying and regain characteristics of ASR under low temperature drying and low temperature resurgence drying conditions were studied. Methods Weibull distribution function and 1stOpt software were used to simulate the functional model of ASR under low temperature dry and low temperature (40, 55 ℃) resurgence conditions, analyze model parameters, drying curve, relative dry moisture regain, moisture effective diffusion coefficient (Deff), dry activation energy and other indicators, and compare the drying characteristics of ASR under low temperature dry and low temperature resurgence drying conditions. Results Both low temperature drying and low temperature resurgence drying methods can make ASR dry, while low temperature resurgence drying method can greatly shorten the drying cycle of ASR, the Weibull function model and the linear regression fitting equation result meet the requirements. The Deff of ASR under low temperature drying conditions was 0.209 59 mm^2/h, and the Deff under low temperature resurgence and drying conditions was between 4.489 40-4.566 90 mm^2/h, the dry activation energy under low temperature drying condition was 80.75 kJ/mol. Conclusion The low temperature resurgence drying method has obvious advantages over the traditional low temperature drying, this research can provide theoretical and technical basis for improving the traditional low temperature drying technology of ASR and establishing a new drying method suitable for the processing of ASR origin.