پديد آورنده :
دهقاني طالخونچه، مصطفي
عنوان :
تاثير فصول مختلف بر ميزان آنتي اكسيدان برخي ارقام نعناع ايراني
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
علوم باغباني
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
دوازده،54ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
مصطفي مبلي
استاد مشاور :
محمدرضا سبزعليان
توصيفگر ها :
تركيبات فنوليك , رشد سبزينه اي
تاريخ نمايه سازي :
26/8/92
استاد داور :
بهرام باني نسب، جواد كرامت
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Effect of Different Sampling Seasons on the Amount of Antioxidants in Some Varieties of Iranian Mint Mostafa Dehghani Talkhoncheh m dehghani1400@yahoo com May 21 2013 Department of Horticultural Science Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor Prof M Mobli mobli@cc iut ac ir Abstract Using of pharmaceutical plants and the obtained products gave them an economical value There is a big difference between chemical elements and efficacious materials in plants mean while they are influenced by different processes and enviromental conditions In the past food stufts and oil were added by common permissible syntheses antioxidants such as BHT TBHQ and BHA while in recent years consuming such componds have been confinded It is because they may cause cancer Also oxidative processes lead to many dangerous diseases like cancer diabet atherosclerosis and aging Therefore improving nutritional schedules is an efficiant strategy in reducing of chronic illnesses Pharmaceutical plants and vegetables have such properties Because of having phenolic componds they have plenty of antioxidants properties So it is essential to do some examinations in different situation in order to achive high quality products For this purpose five kinds of mint Ahvaz mint Esfahan pepermint Kermanshah pepermint Lorestan mint and Tabas mint also two kinds of poneh mint were selected and harvested in fall summer and spring seasons Measurments were done using factorial experiment based on completely randomized blocks design with three replications Fresh and dry weight of shoot and the shoot percent dry mater and also the ratio of leaf weight to the shoot weigh and also antioxidant activity were measured Total phenolic compounds was extracted by Etanol 80 based on Folin Ciocalteu assay Then the antioxidant activity of extracts in different phenolic componds were tasted in two models of DPPH and Carotene The mentioned factors was measured in three seasons Results performed that Tabas showed the most and Karaj poneh the least percent of wet and dry weight of shoots Lorestan mint showed the most but Kermanshah pepermint showed the least percent of shoot dry matter Esfahan pepermint showed the highest leaf weight to shoot dry weight while Esfahan poneh showed the least Kermanshah pepermint includes the most amount of phenolic componds but Karaj poneh contain the least According to the antoxidants activity studies with 50 100 ppm concentrations in two models the highest antioxidant activity belongs to Ahvaz and the lowst belongs to Esfahan poneh Compairing the seasons autumn showed the most and summer the least fresh and dry weight of shoot and percent of dry matter The summer has most while the autumn has the least leaf shoot ratio The spring owns the greatest activity while the autumn has the least antioxidants activity and phenolic componds Key Words Antioxidants activity Phenolic compound Season Mint Vegetative growth PDF created with pdfFactory trial version www pdffactory com
استاد راهنما :
مصطفي مبلي
استاد مشاور :
محمدرضا سبزعليان
استاد داور :
بهرام باني نسب، جواد كرامت
