symphytum officinale root, 84696-05-9

Articles:

PubMed:	Comparative Study of the Biological Activity of Allantoin and Aqueous Extract of the Comfrey Root.
PubMed:	Herbal medicine for low-back pain.
PubMed:	TLC densitometric method for screening of lycopsamine in comfrey root (Symphytum officinale L.) extracts using retrorsine as a reference compound.
PubMed:	Semi-automated separation of the epimeric dehydropyrrolizidine alkaloids lycopsamine and intermedine: preparation of their N-oxides and NMR comparison with diastereoisomeric rinderine and echinatine.
PubMed:	Comfrey root: from tradition to modern clinical trials.
PubMed:	Distinct cell-specific expression of homospermidine synthase involved in pyrrolizidine alkaloid biosynthesis in three species of the boraginales.
PubMed:	Effect of a blend of comfrey root extract (Symphytum officinale L.) and tannic acid creams in the treatment of osteoarthritis of the knee: randomized, placebo-controlled, double-blind, multiclinical trials.
PubMed:	MicroRNAs and their predicted target messenger RNAs are deregulated by exposure to a carcinogenic dose of comfrey in rat liver.
PubMed:	Absence of mutagenic effects of a particular Symphytum officinale L. liquid extract in the bacterial reverse mutation assay.
PubMed:	Lead chelation to immobilised Symphytum officinale L. (comfrey) root tannins.
PubMed:	Comparison of gene expression profiles altered by comfrey and riddelliine in rat liver.
PubMed:	Assays of physical stability and antioxidant activity of a topical formulation added with different plant extracts.
PubMed:	Efficacy and tolerance of a comfrey root extract (Extr. Rad. Symphyti) in the treatment of ankle distorsions: results of a multicenter, randomized, placebo-controlled, double-blind study.
PubMed:	A rapid cleanup method for the isolation and concentration of pyrrolizidine alkaloids in comfrey root.
PubMed:	The influence of phytohormones on growth, organ differentiation and fructan production in callus of Symphytum officinale L.
PubMed:	Mutagenic effects of aqueous extracts of Symphytum officinale L. and of its alkaloidal fractions.
PubMed:	[Development of root-layers of symphytum officinale L. and their storage and consumption of carbohydrates].
PubMed:	[Annual developmental cycle of roots and shoots in Symphytum officinale L. in relation to storage and consumption of carbohydrates].
PubMed:	Comfrey (Symphytum officinale L.) root; its anatomy and its detection in admixture with chicory in dandelion coffee.