CASIA (sen cassia angustifolia)

	C
	CASIA
	*sen cassia angustifolia*

Name
CASIA

Scientific Name
sen cassia angustifolia

CASIA

Other Names:

Casia, The Seine

They sen, introduced in Europe in century XI by the Arabs, was one of the laxative ones more appreciated. With him one drastically bled the crazy people, with the little success that was to hope. And thus, by force of abundant diarreas and of drains, the doctors of long ago exerted their art. At the moment they sen is one of the used medicinal plants more, but he does not stop "to bleed bad humors", but like effective and safe laxative.

Habitat: original of Arabia, Somalia and other ribereños countries of the Red Sea. Widely cultivated in the south of India.

Description: shrub or subshrub of the family of the Leguminosas, 0.5 to 1 meter of height. Their leaves are composed formed by 5 to 8 pairs of foliolos

oval. The flowers are of yellow color, and the fruit is a flattened vegetable that contains of 6 to 8 seeds.

Used parts: the foliolos (leaves) and the seeds.

Properties and indications: the leaves and the seeds of sen contain a 2%-3% of glucósidos antraquinónicos, knowing like senósidos and B; in addition they have mucílagos and flavonoides, that collaborate to their laxative action, and an action resin irritates you that it can cause nauseas and vomits to high doses. The senósidos ones are inactive in their natural state. They happen without altering itself by the stomach, and partially are absorbed in the thin intestine, later to be eliminated with the bile. When arriving at the colon, they are transformed chemically by the action of enzymes produced by the intestinal bacteria (glucosidasas), that release the genina (aglicón), active principle of the molecule of the senósido one. The chemical reaction that takes place is the following one: senósido (glucósido) + genina enzyme = (active principle) + sugar. The active derivatives of the senósidos ones exert their laxative action by two mechanisms:

They stimulate the motilidad of the heavy intestine, increasing the movements peristálticos. They also increase, although with smaller intensity, the muscular tone of the urinary apparatus and the uterus.

They diminish the permeability of the intestinal mucosa, reason why they make difficult the normal water absorption that takes place in the heavy intestine.

According to the dose, they sen has two effects:

Laxative: it facilitates the soft lee emission, without cólico.

Laxative: It causes diarreicas liquid the lee evacuation, accompanied by retortijones (cólico).

The laxative or laxative effect is pronounced as of the 6 or 7 hours it to have taken; it can extend during one or two days, and it does not go followed of reactive constipation.

Its use is recommended in cases of constipation produced by trips, changes of feeding, posparto and operations. It turns out from utility to avoid efforts during the defecación in hypertense patients or with angina of chest.

Use: the dust of the foliolos of sen crushed, is used at night in dose of 1 to 8 grams, taken in infusion; normally, it is sufficient with 2 or 3 grams to obtain a laxative effect. The children can have sufficient with half of this dose. He does not recommend himself to take it for more than 7 days followed. In order to avoid the irritant effect of the resin, that in high doses can cause nauseas and vomits, he recommends himself to have the leaves during 24-48 hours in alcoholic maceration. Spent east time, the alcohol is rejected and the infusion with the leaves is prepared. Recently, the pharmaceutical industry has made available the purified senósidos ones, that appear in different prepared phamacists. They are completely exentos of the irritant effects of the resin, reason why they are specially indicated for old children and.

For external use, with 20-30 grams of sen in a liter of water, prepares an infusion that is administered in form of enema (lavativa). The effect is immediate.

Precautions: by his stimulating action on smooth the covered abdominal hollow muscular fiber organs (specially vejiga and uterus), one is not due to use during the pregnancy, neither during the menstruation, nor either in case of cystitis or colitis. In the anorrectales affections (fissure, hemorroides, etc.) one is due to use wisely and to low doses.

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