BIEZO (abedul betula alba)

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	BIEZO
	*abedul betula alba*

Name
BIEZO

Scientific Name
abedul betula alba

BIEZO

Other Names:

Biezo

The applications of this elegant tree are many. Their wood, and mainly their coal, is excellent. Its crust is impermeable, and with her the shepherds of long ago made glasses, and until legginses for the snow.

Habitat: one occurs in mountains of the north of Spain and Europe, and in Canada, where it forms extensive forests, as well as in other zones you cold and mountainous of the American continent.

Description: tree esbelto of leaf expires, of the family of the Betuláceas. It emphasizes in the forests by the whiteness of his crust, that is given off in fine you laminate. Their young branches are hanging, of there the name of Betula pendula, and with small nodules or warts, from where another one of its scientific names comes to him: Verrucosa Betula. It offers masculine and feminine flowers in the same tree.

Used parts: the leaves, the yolks, the sap and the crust.

Properties and indications. The leaves and the yolks of birch contain mainly flavonoides (miricitrina and hiperósido), that confer a remarkable diurético effect to him (elimination of liquids); and also bitter principles, catéquicos tannins and essential oil. These are their applications:

Edemas: aid to eliminate the liquids retained in the organism, specially in case of renal insufficiency or cardiac. Unlike other chemical diuréticos, the infusions of birch leaves do not cause the loss of great amounts of mineral salts with tinkles it, nor irritate weaves of the kidney. On the contrary, they are able to regenerate it and to desinflamar it, making diminish the albumen elimination with tinkles in cases of nefrosis and renal insufficiency.

They are also used successfully in the premenstrual syndrome. Taking that tisane during the preceding days to the rule, it increases the volume of it tinkles and it diminishes the swelling of weaves, specially in legs, belly and breasts.

Renales calculations: the infusions of leaves and yolks of birch facilitate the elimination of river sands of tinkles it and prevent that renales calculations form. It has been possible to verify that, in some cases, they can even dissolve them. The use of the infusion is indicated so much during the attack of nefrítico cólico (of kidney), as of continued form to avoid the formation of calculations.

Purification: the leaves and yolks of birch have a purifying effect on the toxic substances that recharge the blood, like úrico acid. For that reason the tisanes prepared with them are highly beneficial in case from drop or arthritism.

Affections of the skin: by its purifying effect, its use internally is indicated to clean to the skin of impurities in chronic cases of eccemas and cellulitis.

Hurt sores and: in external application, by means of compresas, the leaves and yolks have antiseptic and healing action on sores and wounds, due to the tannins that contain.

The crust of the birch, like the one of the willow and the one of the quino, has febrífugas properties. It is taken in decocción to lower the fever. At the beginning of the spring, before they leave the leaves, sawing to him a branch or puncturing the trunk to him, the birch can provide every day several liters of delicious sap. This sap has the same properties that we have described for the leaves, but in addition constitutes an pleasant drink. The villagers of the north of Europe take it to enjoy a so white and clean skin as the crust of the tree.

Use: internally, in Infusion from 20 to 50 grs. of leaves and/or yolks by liter of water. It is possible to be taken until a daily liter. As is a little bitter, it agrees to sweeten it with honey or brown sugar. The addition of 1 gram of sódico bicarbonate increases the effectiveness of the birch tisane, because their active principles dissolve better in alkaline means. Also in decocción of crust, 50 to 80 grams by liter of water; to boil until it is reduced to half and to take 2 or 3 sweetened daily cups with honey. The sap interferes diluted in water (to 50%) as a refrescante drink. It is necessary to avoid that it ferments. For external use, in compresas on the skin that are made with the same infusion that has described para.uso.interno.

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