YANG Qun,ZHANG Kai,WU Cong.Study on Preparing Juice of Towel Gourd into Solid Powder by Spray Drying and it’s Bactriostasis[J].Northern Horticulture,2012,36(09):186-188.
喷雾干燥法制备丝瓜水固体粉末及其抑菌作用研究
- Title:
- Study on Preparing Juice of Towel Gourd into Solid Powder by Spray Drying and it’s Bactriostasis
- 文章编号:
- 1001-0009（2012）09-0186-03
- Keywords:
- juice of Towel Gourd; spray drying; inhibition
- 分类号:
- S482.2+92
- 文献标志码:
- A
- 摘要:
- 选择喷雾干燥法将丝瓜水制备成干燥的固体粉末，优选喷雾干燥的最佳工艺参数；选择真菌类的白色念珠菌和黑曲霉，分别以丝瓜水粉末1×10-1、1×10-2和1×10-3 g/mL 的稀释液，在25、35和45℃下进行抑菌试验。结果表明：喷雾干燥的最佳工艺参数为：进风温度163℃、进料速度20 mL/min 、喷雾压力70 mm Hg、通针频率10次/min；丝瓜水粉末稀释液浓度为1×10-2 g/mL以上时对黑曲霉有较强抑制作用，当浓度达1×10-1 g/mL时，抑菌效果非常显著;对白色念珠菌抑制作用相对较弱，浓度达1×10-1 g/mL时，有较强抑制作用。喷雾干燥法制备丝瓜水的固体粉末工艺简单、易行。
- Abstract:
- Slected spray-drying process for prepareing juice of Towel Gourd into dry powder solid powder,and otimized the best technological parameter for spray drying;Juice of Towel Gourd solid powder dilution of 1×10-1，1×10-2，1×10-3 g/mL concentrations were slected to carry on antifungal activity test against Candida albicans and Aspergillus niger of fungal over 25,35 and 45℃.The results showed that the optimum parameter for spray drying were established as follows：the inlet air temperature was 163℃，the feeding rate was 20 mL/min，the spraying pressure was 70 mm Hg and the Nozzle Cleaning was 10 times/min；Juice of Towel Gourd solid powder dilution concentration above 1×10-2 g/mL had relatively strong inhibitory action against Aspergillus niger，when the concentration was above 1×10-1 g/mL,the bacteriostatic effect was highly significant，and Juice of Towel Gourd solid powder dilution’s inhibitory actions was relatively weak against Candida albicans，when the concentration was above 1×10-1 g/mL，the inhibiting effect was relatively strong.The process of spray-drying for prepare juice of Towel Gourd’s solid powder was simple and efficient.
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备注/Memo
第一作者简介：杨群（1973-）,女,本科,工程师,现主要从事中药制剂研究工作。 E-mail:yangqun5818@126.com。
收稿日期：2012-01-06