Impact of different culture media on hairy roots growth of Valeriana officinalis L.
نویسندگان
چکیده
منابع مشابه
Variation in the composition of the essential oil of Valeriana officinalis L. roots from Estonia
The volatile constituents from roots of Valeriana officinalis L. were investigated using GC and GC/MS methods. Valerianae radix samples were obtained from retail pharmacies or cultivated in Estonia. The roots of five V. officinalis samples yielded 0.28–1.16% essential oil in the cut drug, which usually corresponded (four samples) to the European Pharmacopeia standard (0.3%). The basic oil compo...
متن کاملThe effect of silver nanoparticles on the growth and antioxidants of transgenic hairy roots in hyssop (Hyssopus officinalis, H. angustifolius)
Background: Nowadays, biotechnological methods such as transgenic hairy root culture and application of elicitors have become an attractive source for secondary metabolites production. Hyssop species (Hyssopus spp.) having active ingredients including antioxidants such as phenolics, in this plant have shown anti-mutagenic, anti-carcinogenic and antiglycemic effects. Objective: The present study...
متن کاملComparative evaluation of different extraction methods for the assay of phytochemicals and antioxidant activity of Valeriana officinalis roots
Background & Aim:Medicinal plants are rich sources of substances with nutraceutical and health benefits. Valeriana officinalis L. (Valerianaceae) is a known medicinal plant used in traditional medicine throughout the world. The present study aimed to evaluate the efficiencies of three methods for antioxidant extraction from Valeriana officinalis</...
متن کاملEssential Oils from Hairy Root Cultures and Field Cultivated Roots of Valerian (Valeriana sisymbriifolium)
Background: Plant cell cultivations are considered as an alternative to agricultural processes for producing valuable phytochemicals (secondary metabolites). The use of plant cell cultures has overcome several inconveniences for the production of secondary metabolites. Objective: The essential oils isolated from roots of 24-month-old field grown valerian (Valeriana sisymbriifolium) and hairy r...
متن کاملthe impact of training on second language writing assessment: a case of raters’ biasedness
چکیده هدف اول این تحقیق بررسی تأثیر آموزش مصحح بر آموزش گیرندگان براساس پایایی نمره های آنها در پنج بخش شامل محتوا ، سازمان ، لغت ، زبان و مکانیک بود. هدف دوم این بود که بدانیم آیا تفاوتهای بین آموزشی گیرندگان زن و مرد در پایایی نمرات آنها وجود دارد. برای بررسی این موارد ، ما 90 دانشجو در سطح میانه (متوسط) که از طریق تست تعیین سطح شده بودند انتخاب شدند. بعد از آنها خواستیم که درباره دو موضوع ا...
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ژورنال
عنوان ژورنال: Acta agriculturae Slovenica
سال: 2014
ISSN: 1581-9175,1854-1941
DOI: 10.14720/aas.2014.103.2.14