Recent advances in extraction methods of medicinal plant components

Document Type: Review article

Authors

1 Professor, Department of Pharmcognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Science, Esfahan, Iran. P.O. Box: 81746-73461

2 Assistant Professor, Department of Pharmcognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Science, Esfahan, Iran

Abstract

Various novel techniques including ultrasound-assisted extraction, microwave-assisted extraction and supercritical fluid extraction have been developed for the extraction of medicinal plants in order to shorten the extraction time, decrease the solvent consumption, increase the extraction yield, and enhance the quality of extracts. This review was conducted to introduce and compare the conventional soxhlet extraction and the new alternative methods used for the extraction of nutraceuticals from plants.

Keywords

Article Title [Persian]

پیشرفت های اخیر در زمینه روش های استخراج ترکیب های گیاهی

Authors [Persian]

  • بهزاد ذوالفقاری 1
  • افسانه یکدانه 2
1 استاد گروه فارماکوگنوزی ،دانشکده ی داروسازی، دانشگاه علوم پزشکی اصفهان؛
2 دستیار فارماکوگنوزی، دانشکده ی داروسازی، دانشگاه علوم پزشکی اصفهان
Abstract [Persian]

مقدمه و هدف: فن­آوری­های جدید و مختلفی شامل عصاره گیری همراه با امواج فراصوت، عصاره­گیری همراه با امواج مایکروویو و عصاره گیری همراه با مایع فوق بحرانی به منظور استخراج ترکیبات از گیاهان گسترش یافته­اند. این فن­آوری­ها به منظور کاهش دادن مدت زمان عصاره گیری، کاهش میزان حلال مصرفی، افزایش بازده استخراج و تقویت کیفیت عصاره حاصله گسترش یافته اند. در این مقاله به معرفی و مقایسه روش سوکسله و روش­های جایگزین و نوین مورد استفاده در داروسازی پرداخته شده است. برای به­دست آوردن بهترین و موثرترین عصاره، توجه به مواردی از جمله خصوصیات ماده گیاهی، انتخاب حلال مناسب و دقت در مراحل عصاره­گیری ضروری بوده و باید در نظر داشت که بازده بالا در عصاره حاصله به معنای بازده بالای ترکیب مورد نظر در عصاره نمی­باشد.
توصیه کاربردی: در روش عصاره­گیری با استفاده از امواج فراصوت نفوذ حلال به بافت گیاهی به خوبی صورت می­گیرد و در مقایسه با سایر روش­ها این روش از کارآیی و سرعت بالاتری برخوردار است.

Keywords [Persian]

  • مایکروویو امواج فراصوت مایع فوق بحرانی سوکسله

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Journal of Herbal Drugs (An International Journal on Medicinal Herbs)

Volume 1, Issue 1
Spring 2010
Pages 50-54

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