نتایج جستجو برای: assisted hydrodistillation

تعداد نتایج: 131704  

A comparative study of ultrasound-assisted extraction (UAE) and hydro-distillation was performed for fast extraction of estragole from tarragon (Artemisia dracunculus L.) dried leaves. Several influential parameters of the UAE procedure in the extraction of estragole (type of solvent, extraction cycles, solvent to material ratio, irradiation time and particle size) were investigated an...

Journal: :Evidence-based Complementary and Alternative Medicine 2004
Betül Demirci Dietrich H. Paper Fatih Demirci K. Hüsnü Can Başer Gerhard Franz

The essential oil of Betula pendula Roth. buds was obtained using both hydrodistillation and microdistillation techniques and their chemical compositions were analyzed using both gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). Overall, more than 50 compounds were identified representing 80% and 92% for hydrodistillation and microdistillation, respectively. The main com...

Journal: :فرآوری و نگهداری مواد غذایی 0
رویا شکاری باشگاه پژوهشگران جوان دانشگاه آزاد اسلامی، واحد ورامین، پیشوا، گروه صنایع غذایی، ورامین کرامت اله رضایی گروه علوم و مهندسی صنایع غذایی، دانشگاه تهران سیمین اسدالهی گروه صنایع غذایی، دانشگاه آزاداسلامی، واحد ورامین

in this research, microwave-assisted hydrodistillation (md) with pretreatment ultrasound (us) 45 and 90 min of essential oils from fresh aegle marmelos peel were used and the results were compared with those obtained by hydrodistillation technique (hd) in terms of extraction yield/efficiency, extraction time, chemical composition and quality of the essential oil. all experiments were performed ...

Journal: Journal of Herbal Drugs 2015

Background & Aim: Essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. Essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. Experimental: Essential oil are obtained by several isolation methods, such as hydrodistillation (HD...

Journal: Journal of Herbal Drugs 2015

Background & Aim: Essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. Essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. Experimental: Essential oil are obtained by several isolation methods, such as hydrodistillation (HD...

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