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Comfrey

Known as: Healing-Herb, Common Comfrey, Comfreys 
Perennial herb Symphytum officinale, in the family Boraginaceae, used topically for wound healing. It contains ALLANTOIN, carotene, essential oils… 
National Institutes of Health

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Comfrey root
MicrobiologicalSymphytum uplandicum leaf extractaspects of radiation effectsphysiological aspects

Papers overview

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2009
2009
Selection of endophytic fungi from comfrey (Symphytum officinale L.) for in vitro biological control of the phytopathogen Sclerotinia sclerotiorum (Lib.)
Biological control consists of using one organism to attack another that may cause economic damage to crops. Integrated Pest… 
2004
2004
Evaporative light scattering detection of pyrrolizidine alkaloids.
A reverse-phase high-performance liquid chromatography method utilizing evaporative light scattering detection (ELSD) has been… 
2004
2004
Phenology of Hyacinthoides non-scripta (L.) chouard, Melittis melissophyllum L. and Symphytum tuberosum L. in two deciduous forests in the Cantabrian mountains, Northwest Spain
We compared the flowering and fruiting phenology of Symphytum tuberosum L. (Boraginaceae), Hyacinthoides non-scripta (L.) Chouard… 
2001
2001
Isolation of symlandine from the roots of common comfrey (Symphytum officinale) using countercurrent chromatography.
Three pyrrolizidine alkaloids, symlandine, symphytine, and echimidine (1-3), were isolated from the roots of Symphytum officinale… 
Review
1998
Review
1998
Pollen morphology in theBoragineae (Boraginaceae) in relation to the taxonomy of the tribe
The results of a comparative survey on pollen morphology in theBoragineae by means of light, scanning and transmission electron… 
1996
1996
Preparative separation of pyrrolizidine alkaloids by high-speed counter-current chromatography.
1983
1983
An evaluation of acetone extracts from six plants in the Ames mutagenicity test.
1982
1982
Consumption of poisonous plants (Senecio jacobaea, Symphytum officinale, Pteridium aquilinum, Hypericum perforatum) by rats: chronic toxicity, mineral metabolism, and hepatic drug-metabolizing…
1969
1969
UNTERSUCHUNGEN ÜBER DIE SCHLEIMPOLYSACCHARIDE VON TUSSILAGO FARFARA L., SYMPHYTUM OFFICINALIS L., BORAGO OFFICINALIS L. UND VIOLA TRICOLOR L.
Tussilago farfara, Symphytum officinalis, Viola tricolor Borago officinalis Tussilago farfara Symphytum officinale, Borago… 
1968
1968
Studies on constituents of crude drugs. I. Alkaloids of Symphytum officinale Linn.
Two pyrrolizidine alkaloids, symphytine (I), a new compound, and echimidine (II) have been isolated from the dried roots of… 
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