Rheum palmatum L.var.tanguticum or rhubarb prepares in September-October, or in early spring at three y.old, were to have tannins, anthropoids, acid's chrisophanein and in leave's rutine and organic acid.
Roots use in hard stool with gastrointestinal damage, atony bowel, meteorism. And root powder at 2.0 gr.small doses have for astringent effect, antiseptic.
In big doses has rhubarb for laxative effect, and remedy infusion use tea.sp. two times/day before a meal.
Syrup drink tea.sp. three times/day before meal and in meteorism, hard stool, Rhubarb pills use two pills for night. Dry extract use 0.2 gr. for night.
Rhubarb undularumL., has for laxative effect, but pharmacy allows use before rhubarb kind.