Variation in Demography of Taraxacum officinale Seeds Harvested from Different Seasons
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چکیده
منابع مشابه
Genotypic variation within asexual lineages of Taraxacum officinale.
Restriction site variation in DNA that encodes rRNA (rDNA) was surveyed among 714 offspring within 31 lineages (26 genotypes) of obligate asexually reproducing Taraxacum officinale (dandelions). Although clonal offspring are expected, plants with nonparental rDNA were produced from two parents that were themselves siblings (same genotype). The variation is best characterized by the loss of an E...
متن کاملThree Novel Triterpenoids from Taraxacum officinale Roots.
Three novel lupane-, bauerane-, and euphane-type triterpenoids (1-3), in addition to seven known triterpenoids (4-10)-18β,19β-epoxy-21β-hydroxylupan-3β-yl acetate (4), 21-oxolup-18-en-3β-yl acetate (5), betulin (6), officinatrione (7), 11α-methoxyolean-12-en-3-one (8), eupha-7,24-dien-3-one (9), and 24-oxoeupha-7,24-dien-3β-yl acetate (10)-were isolated from the roots of Taraxacum officinale. T...
متن کاملBiologically Active Substances and in Vitro Antioxidant Activity of Different Extracts from Dandelion (taraxacum Officinale) Roots
Dandelion (Taraxacum officinale L. Weber ex F.H. Wigg.) roots were traditionally used in folk medicine worldwide due to its antidiabetic, choleretic, antirheumatic and diuretic properties. The aim of the current study was to determinate the biologically active substances in 95% ethanol and subsequent water extracts from dandelion roots and to evaluate their antioxidant activities. The carbohydr...
متن کاملBifidogenic effect of Taraxacum officinale root
431 Ginkgo biloba Linn. extract, clinically referred to as EGb 761, is a very popular over-the-counter herbal dietary supplement in the United States. It is ingested primarily to enhance mental focus mainly because of its purported reports of being able to delay the onset of the loss of cognitive function and improve cognitive function in Alzheimer's disease and senile dementia. A standardized ...
متن کاملDandelion (Taraxacum officinale and T mongolicum)
Common Names The English name dandelion is a corruption of the French dent de leon, meaning “lion’s tooth.” The herb is similarly named in many Indo-European tongues, also being called “lion’s tooth” in German (Löwenzahn) and Spanish (diente de leon). The name refers to the toothed margins of the leaves. In both modern French and English, the name for dandelion reflects its diuretic nature—bein...
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ژورنال
عنوان ژورنال: The Korean Journal of Ecology
سال: 2003
ISSN: 1225-0317
DOI: 10.5141/jefb.2003.26.2.082