ultrasonic-assisted extraction of condensed tannin from acron, gland, leaf and gall of oak using response surface methodology

نویسندگان

reza tabaraki

alimohammad safari

ali yeganeh faal

چکیده

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Ultrasonic-assisted extraction of condensed tannin from acron, gland, leaf and gall of oak using response surface methodology

Ultrasonic technology and response surface methodology (RSM) wereused for optimization of extraction of condensed tannins from the leaf, acron, gland and gall of oak. Three independent variables such as solvent percentage (%), temperature (°C) and time (min) were studied. Effect of methanol concentration was found to be significant on all responses. Optimal ultrasonicassisted extraction (UAE) c...

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Optimization of Ultrasonic-Assisted Extraction of Natural Antioxidants from Elaegnus Angustifolia Using Response Surface Methodlogy

Restrictions on the use of synthetic antioxidant such as butylated  hydroxyanisole  (BHA) and butylated  hydroxytoluene (BHT) are being imposed  because of  their carcinogecity. In this investigation  optimization  of phenolic extraction  process  frome  methanolic (80%)  extract (v/v) of  elaegnus  angustifolia  through  Response  Surface Methodology  by fulin cio- calteu is  performrd  for op...

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Optimization of Ultrasound-assisted Acidic-solvent Extraction of Colchicine from Colchicum kurdicum (Bornm.) Stef. Using Response Surface Methodology

Background and objectives: Colchicum kurdicum (Bornm.) Stef. is a flowering perennial monocotyledon plant that has many important bioactive compounds especially colchicine and colchicine derivatives. In this study, the ultrasound-assisted acidic-solvent extraction method coupled with response-surface method was presented as the successful method for large scale extract...

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optimization of ultrasonic-assisted extraction of natural antioxidants from elaegnus angustifolia using response surface methodlogy

restrictions on the use of synthetic antioxidant such as butylated  hydroxyanisole  (bha) and butylated  hydroxytoluene (bht) are being imposed  because of  their carcinogecity. in this investigation  optimization  of phenolic extraction  process  frome  methanolic (80%)  extract (v/v) of  elaegnus  angustifolia  through  response  surface methodology  by fulin cio- calteu is  performrd  for op...

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عنوان ژورنال:
quarterly journal of applied chemical research

ناشر: islamic azad university, karaj branch

ISSN 2008-3815

دوره 7

شماره 3 2013

کلمات کلیدی

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