食品研究与开发:2025,46(10):43-51
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不同干燥方式对鼓槌石斛花成分和抗氧化活性的影响
(1.云南农业大学 园林园艺学院,云南 昆明 650201;2.云南农业大学 西南中药材种质创新与利用国家地方联合工程研究中心,云南 昆明 650201;3.云南省药用植物生物学重点试验室,云南 昆明 650201;4.云南农业大学 农学与生物技术学院,云南 昆明 650201;5.德宏州农业技术推广中心(德宏州农业科 学研究所),云南 德宏 678400;6.6.泸水市片马镇人民政府农业农村综合服务中心,云南 泸水 671400)
Effects of Different Drying Methods on Components and Antioxidant Activities of Dendrobium chrysotoxum Flowers
(1.College of Landscape and Horticulture,Yunnan Agricultural University,Kunming 650201,Yunnan,China;2. National-Local Joint Engineering Research Center on Germplasm Innovation and Utilization of Chinese Medicinal Materials in Southwest China,Yunnan Agricultural University,Kunming 650201,Yunnan,China;3. Key Laboratory of Medicinal Plant Biology of Yunnan Province,Kunming 650201,Yunnan,China;4. College of Agronomy and Biotechnology,Yunnan Agricultural University,Kunming 650201,Yunnan,China;5. Dehong Agricultural Technology Extension Station (Dehong Institute of Agricultural Sciences),Dehong 678400,Yunnan,China;6.6. Agricultural and Rural Comprehensive Service Center of Pianma Town People's Government,Lushui City,Lushui 671400,Yunnan,China)
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投稿时间:2023-10-24    
中文摘要: 为提高鼓槌石斛花的产业化干燥加工品质和效率,该文比较阴干、热风干燥、真空干燥以及真空冷冻干燥对鼓槌石斛花的感官品质、理化指标、化学成分和抗氧化活性等方面的影响,筛选合适的干燥方式。结果表明:阴干处理耗时较长且处理后的鼓槌石斛花不易储存,但蛋白质、氨基酸、多酚和总黄酮含量保留率最高;真空干燥处理的鼓槌石斛花综合成分保留率较低,并且抗氧化能力较弱;热风干燥和真空冷冻干燥处理的鼓槌石斛花综合成分保留率较高,并且抗氧化能力较强,真空冷冻干燥处理的鼓槌石斛花外观最接近新鲜的鼓槌石斛花。综上,热风干燥和真空冷冻干燥是较优的干燥方式,在实际生产过程中,可根据鼓槌石斛鲜花产量与不同的需求目的选择不同的干燥方式。
Abstract:To improve the industrial drying quality and efficiency of Dendrobium chrysotoxum flowers and to select an appropriate drying method,this study compared the effects of drying in the shade,hot air drying,vacuum drying,and vacuum freeze drying on the sensory quality,physicochemical indicators,chemical composition,and antioxidant activity of D. chrysotoxum flowers. The results showed that it took a long time for D. chrysotoxum flowers to dry in the shade. Flowers treated this way were not easy to store,but they had the highest retention rates of protein,amino acids,polyphenols,and total flavonoids. The vacuum-dried D. chrysotoxum flowers had a lower overall component retention rate and weaker antioxidant activity. The hot air drying and vacuum freeze drying methods resulted in higher overall component retention rates and stronger antioxidant activities,with the appearance of vacuum freeze-dried D. chrysotoxum flowers being closest to that of fresh ones. In summary,hot air drying and vacuum freeze drying are the preferred drying methods. In practical production,different drying methods can be selected based on the yield of fresh D. chrysotoxum flowers and different intended purposes.
文章编号:202510006     中图分类号:    文献标志码:
基金项目:云南省科技计划项目子课题(2017ZF003-05);云南省科技厅科技计划项目(202102AE090042、202102AA310033);云南省教育厅科学研究基金项目(2023Y1023);德宏州“英才兴边”计划项目(DHYC-XCZXRC-2021-009)
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