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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

فعّال (مزود البيانات قام بتقديم البيانات الوصفية السنة الماضية)
Journal Article

مقال مجلة

Chemical composition of the essential oils of wild Helichrysum arenarium (L.) with differently colored inflorescences from eastern Lithuania  [2006]

Judzentiene, A.; Butkiene, R.;

استعراض النص الكامل

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Essential oil composition of Helichrysum arenarium (L.) Moench. of natural populations from eastern Lithuania has been studied. Samples of leaves and inflorescences of different colors [yellow and orange (f. aurantiacum (Pers.) Bleck.)] were collected from the same growing localities at flowering stage. The oils were prepared by hydrodistillation and analyzed by GC and GC/MS. The 68 constituents identified comprised 73.8-90.7% of the total oil content. It was found that the principal constituents were: beta-caryophyllene (in three inflorescence and one leaf oil), delta-cadinene (in two leaf oils), octadecane (in one leaf oil) and heneicosane (in one inflorescence sample). Monoterpenes and oxygenated monoterpenes made up 4.0-13.9%, aliphatic hydrocarbons 0.4-35.3%, and sesquiterpenes 24.7-71.2% of the oils.
المجلة
Journal of essential oil research : JEOR
الرقم التسلسلي المعياري الدولي (ردمد) : 1041-2905

معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2013
المجلد:
18
الإصدار:
1
صفحة البداية:
80
صفحة النهاية:
83
جميع العناوين:
"Chemical composition of the essential oils of wild Helichrysum arenarium (L.) with differently colored inflorescences from eastern Lithuania"@eng
مسائل أخرى:
"Includes references"
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معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2013
المجلد:
18
الإصدار:
1
صفحة البداية:
80
صفحة النهاية:
83
جميع العناوين:
"Chemical composition of the essential oils of wild Helichrysum arenarium (L.) with differently colored inflorescences from eastern Lithuania"@eng
مسائل أخرى:
"Includes references"