Эколого-географический анализ видов рода Geranium L. Алтайской горной страны

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Contact sensitization to Geranium robertianum L. in an amateur gardener.

A 68-year-old male retired non-atopic school librarian was referred for suspected plant contact dermatitis. The patient had taken up gardening as a hobby when he retired from work: mowing the lawn, cutting hedges and weeding in his garden. For 6–10 years, he had suffered from transient dermatitis on his eyelids, which he attributed to a habit of wiping his eyelids with his hands during gardenin...

متن کامل

شناسایی ترکیبهای اسانس گیاه Geranium rotundifolium L.

گونه گیاهی Geranium rotundifolium L. از گیاهان تیره (Geraniaceae) به عنوان گونه ای معطر در اوایل خرداد ماه 1380 از باغ گیاه شناسی ملی ایران جمع آوری گردیده و جهت استخراج اسانس آن از 46 گرم برگ خشک آن به روش تقطیر با آب1 استفاده گردید.  به دلیل پایین بودن بازده اسانس، جداکردن آن از فاز آبی به وسیله دی اتیل اترصورت گرفت. سپس ترکیبهای موجود در نمونه استخراجی توسط دستگاههای کروماتوگرافی گازی (2 CGC...

متن کامل

Virus Diseases of Geranium

Several diseases of geraniums (Pelargonium species) are caused by viruses. The economic losses caused by these diseases are difficult to assess since infected plants are often symptomless and because both the cultivar and the environment in which the plants are growing can greatly influence the severity of the symptoms. The problem is compounded by the diverse sources of stock plants and the fa...

متن کامل

Solid-liquid Extraction of Tannins from Geranium Sanguineum L. – Experimental Kinetics and Modelling

This paper is concerned with the investigation and the modelling of a solid-liquid extraction process and the importance of the influencing factors (solid phase, particle size and liquid-solid ratio). The studied system is a plant material (Geranium Sanguineum – L.) and a solvent mixture – 70 % ethanol in water. From the results, it is clear that the valuable compounds’ extraction rate is much ...

متن کامل

Biologically active constituents of a polyphenol extract from Geranium sanguineum L. with anti-influenza activity.

From the aerial roots of the medicinal plant Geranium sanguineum L. a polyphenol-rich extract with strong anti-influenza activity has been isolated. To investigate its active fractions, the extract was partitioned by solvents with increasing polarity. The n-BuOH fraction contained the majority of the in vitro antiviral activity; the EtOAc fraction was the most effective one in vivo. A bioassay-...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Проблемы ботаники Южной Сибири и Монголии

سال: 2019

ISSN: 2313-3929

DOI: 10.14258/pbssm.2019038