石斛花鼓风干燥机理和感官品质变化规律
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摘要
基于远红外鼓风干燥和低频核磁共振探索霍山石斛花和铁皮石斛花干燥过程,构建适合干燥不同种类石斛花的基础参数模型,并使用质构分析仪研究石斛干花的感官品质变化规律。结果表明:远红外鼓风干燥仪干制后的霍山石斛花和铁皮石斛花,通过低频核磁共振发现,干品水分含量均是结合水,干品泡制后的复水性佳;利用干燥动力学模型所得数据与试验数据的相关系数平方高于0.99,相关性很好;经质构仪测定,随着干燥次数增加,硬度和脆性也增加,干制品品质提高,延长了贮存期。
Far-infrared drying and LF-NMR was used to explore the drying process of Dendrobium huoshanense flowers and Dendrobium officinale flowers.A basic parameter model of the Dendrobiumflower was constructed,and the sensory quality of the flower was studied by texture analysis.The results showed that a basic parameter model of the drying of Dendrobium flower was constructed.The sensory quality analysis based on the NMR spectra and texture analyzer indicated that the composition of water after the drying process was primarily conjunctive.The high sensory quality of the hardness and brittleness of the dry flowers of Dendrobium.Flowers of dried Dendrobium species displayed good water uniformity.The experimental data and from a drying dynamics model date with a correlation coefficient square>0.99 were investigated.Correlation analysis of the drying process and the sensory quality of the Dendrobium flower indicated that the production of the dry flower could be enhanced.
Far-infrared drying and LF-NMR was used to explore the drying process of Dendrobium huoshanense flowers and Dendrobium officinale flowers.A basic parameter model of the Dendrobiumflower was constructed,and the sensory quality of the flower was studied by texture analysis.The results showed that a basic parameter model of the drying of Dendrobium flower was constructed.The sensory quality analysis based on the NMR spectra and texture analyzer indicated that the composition of water after the drying process was primarily conjunctive.The high sensory quality of the hardness and brittleness of the dry flowers of Dendrobium.Flowers of dried Dendrobium species displayed good water uniformity.The experimental data and from a drying dynamics model date with a correlation coefficient square>0.99 were investigated.Correlation analysis of the drying process and the sensory quality of the Dendrobium flower indicated that the production of the dry flower could be enhanced.
引文
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[13]白艺朋,郭晓娜,朱科学,等.降低水分活度延长荞麦半干面保质期的研究[J].中国粮油学报,2018,33(3):28-33.
[2]谭秋.夏季养生多喝些铁皮石斛花茶[J].现代养生,2012(7):48-49.
[3]霍昕,周建华,杨迺嘉,等.铁皮石斛花挥发性成分研究[J].中华中医药杂志,2008,23(8):735-737.
[4]李文静,李进进,李桂锋,等.GC-MS分析4种石斛花挥发性成分[J].中药材,2015,4(38):777-780.
[5]林萍,毕志明,徐红,等.石斛属植物药理活性研究进展[J].中草药,2003,34(11):19-22.
[6]龚庆芳,何金祥,黄宁珍,等.铁皮石斛花化学成分及抗氧化活性研究[J].食品科技,2014,39(12):106-110.
[7]戴亚峰,张炜玲,李滨,等.霍山石斛花茶加工方法研究[J].安徽农业科学,2013,41(19):8 128-8 130.
[8]张雅琴,丁作明,安彦峰,等.铁皮石斛药材不同加工方法的比较[J].中国民族民间医药,2015,39(1):23-25.
[9]张明辉,李新宇,周云洁,等.利用时域核磁共振研究木材干燥过程水分状态变化[J].林业科学,2014,50(12):109-113.
[10]郝瑞,刘伟华.白肋烟干燥过程动力学及感官质量变化特征分析[J].科学技术创新,2013(23):91.
[11]NAGY S,LEE H,ROUSEFF R L,et al.Nonenzymatic browning of commercially canned and bottled grape fruit juice[J].Food Science,1990,38:343-346.
[12]孙炳新,赵宏侠,冯叙桥,等.基于低场核磁和成像技术的鲜枣贮藏过程水分状态的变化研究[J].中国食品学报,2016,16(5):252-257.
[13]白艺朋,郭晓娜,朱科学,等.降低水分活度延长荞麦半干面保质期的研究[J].中国粮油学报,2018,33(3):28-33.