پديد آورنده :
محمدخاني، ايمان
عنوان :
بررسي اثر روش هاي مختلق استخراج بر روي خواص آنتي اكسيداني، آنتي باكتريايي و كيفيت اسانس رزماري
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
علوم و صنايع غذايي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
نه، 63ص.: مصور، جدول، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
محمود شيخ زين الدين، مهرداد نياكوثري
استاد مشاور :
صبيحه سليمانيان زاد
توصيفگر ها :
استخراج مقاومتي , فراصوت , اسانس روغني
استاد داور :
اميرحسين گلي، علي اسحق بيگي
تاريخ ورود اطلاعات :
1396/09/27
چكيده انگليسي :
64 The Effect of Different Extraction Methods on Chemical Composition and Physical and Biological Properties of the Essential Oils Obtained from Rosmarinus Officinalis Iman Mohammadkhani i mohammadkhani@ag iut ac ir December 31 2014 Department of Food Science and Technology Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisors Mahmoud Sheikh zeinodin zeinodin@cc iut ac ir Mehrdad Niakosari zeinodin@cc iut ac irAbstractIn this research the effect of different extraction methods hydrodistillation ohmic assistedhydrodistillation and ultrasound application as pretreatment was investigated for chemical compositionand physical properties of the essential oils obtained from Rosmarinus officinalis and the effect onbiological properties antioxidant and antibacterial was examined The most time consuming method ofextraction was hydrodistillation 162 67 min and the least one was ohmic assisted hydrodistillation withthe ultrasound pretreatment 67 min due to simultaneous heating of the whole sample with a higher rate There was no significant difference in the essential oil extraction yield and its physical properties Themain components of the studied essential oils are pinene 14 23 16 25 camphor 8 73 9 87 bornyl acetate 8 34 9 97 and 1 8 cineol 7 11 8 46 Evaluating the antioxidant activity of theobtained essential oils and comparing to the commercial antioxidants BHT and BHA showed novaluable antioxidant property of the essential oil The micrographs revealed the impact of the extractionmethods on the destruction of the essential oil glands Key Words Essential oil Extraction Ohmic extraction Rosemary Ultrasound
استاد راهنما :
محمود شيخ زين الدين، مهرداد نياكوثري
استاد مشاور :
صبيحه سليمانيان زاد
استاد داور :
اميرحسين گلي، علي اسحق بيگي
