Is Convolvulus arvensis poisonous to human

There is a distinct characteristic of Convolvulus arvensis L.. The whole plant is soft before fruiting while the stem becomes coarse and old after fruiting. The ratio of stem and leaf in the whole growing season is 1:1.08 while the ratio of dry and fresh counts as 1:4.2. Speaking of its advantages, there are quite a lot as follows: protein content is higher;crude fiber is lower; amino acid content is more comprehensive and balanced. According to the comprehensive evaluation, Convolvulus arvensis L. is a low forage plant which means that sheep, camels and even cattle and horses graze after the leaf become yellow. No matter it’s made hay or silage in autumn, or fed pigs after fermentation from fresh and tender leaf, all ways can help save fine materials.

Convolvulus arvensis L.
Chemical compositions:
β-methylaescu-letin; The aboveground portion contains flavonoid glycosides whose aglucone includes quercetin, laempferol, n-alkanes, n-alkanols, α-amyrin, campesterol, stigmasterol and β-sitosterol. The underground portion contains caffeic acid and cusohygrine.
The total alkaloids obtained from the extracts of Convolvulus arvensis L. also has a hypotensive effect while having no effect on coronary flow. In addition, its flavonoids has no significant effect on cardiovascular function. It can resist electroconvulsion in rats but not convulsion caused by pentamethyltetrazolium and strychnine.
The extract of Convolvulus arvensis L. is used to inhibit the growth of tumor cells, inhibit the growth of blood vessels and improve the immune function. The extract is prepared by removing the low toxic molecular weight components from Convolvulus arvensis L..
It has been reported that Convolvulus arvensis L. is a genus of flowering plants in Convolvulaceae family. Pharmacologically, the water extract (aerial parts) of Convolvulus arvensis L. is rich in high molecular weight proteoglycan mixture (PGM), and has potent anti-angiogenesis and stimulating effects (immune system) at the same time. Phytochemical studies on this plant show it’s composed of Saponins, steroids, flavonoids, alkaloids, proteins and lipids.
The alternative medicinal recipes of Convolvulus arvensis L.:
1.Treatment of neurodermatitis
2.Treatment of toothache
3.Treatment of rheumatoid arthritis