Types of Psyllium Husks
In the western world, the term "psyllium husks" usually refers to products made from the outer layer of seeds from the plant species Plantago ovata as a water soluble fiber supplement. However, there are several different species of psyllium in the Plantago family with different nutritional and medicinal uses.-
Plantago ovata
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This is the most commonly cultivated and consumed type of psyllium, especially in the United States, because of its use as a source of fiber in commercially available laxatives such as Metamucil. Raw psyllium husks, psyllium powders and psyllium-containing capsules also reduce high cholesterol and aid in weight loss by promoting a feeling of fullness in the stomach.
Plantago major
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Although plantago major is considered a troublesome weed by some farmers and gardeners, it is a very nutritious plant whose leaves can be eaten cooked or raw. It is rich in B vitamins and has been used as a medicine for hundreds of years. Leaves and extracts of the plant alleviate a number of gastrointestinal problems when taken orally and its anti-bacterial properties make it useful for treating topical problems such as open sores or lacerations.
Plantago lanceolata
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Plantago lanceolata, also known as Ribwort or Blackjack, originates in Europe, but now grows in many parts of the world. Its uses and active ingredients are similar to those of Plantago major; however, P. lanceolata is superior to P. major in the treatment of respiratory conditions such as coughs or asthma because it soothes inflammation of the mucus membranes and loosens phlegm.
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