Corn Mint (Mentha Haplocalyx) Overview, Health Benefits, Side effects
Corn Mint (Mentha Haplocalyx) Overview
Corn Mint (Mentha Haplocalyx) other names : Bo He , Corn Mint.
The corn mint is a perennial herb that grows up to two feet or 60 cm. This plant has a square stem, oval-shaped, dark, jagged and flat leaves, while whorls of pale lilac hued flowers grow from the axils of the leaves. The flowers of corn mint blossom all the way through the summer. This plant was referred to for the first time in Grandfather Lei's Discussion of Herb Preparation in 470 AD. The corn mint has been found that a Chinese prescription dating back to the 15th century had suggested the use of corn mint to treat bloody dysentery.
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Corn mint has a preference to grow in land that is being cultivated or in troubled places. In effect, all mints like as well as thrive in cool, damp spots where there is partial shade. Generally speaking, mints have an aptitude to endure a wide assortment of conditions and they are also able to grow in total sunlight. This plant has been named ‘Corn Mint' since it was an ordinary ‘weed' growing in fields where cereal crops are cultivated.
Compared to other mints, the corn mint is less sweet, but encloses additional menthol. As a result, this species is widely used to prepare menthol flavoring extracts commercially. While the plant is still blossoming, it is steamed to facilitate the extraction of its oil. Prior to refining or processing, the menthol content in the plant varies between 60 per cent and 80 per cent.
The corn mint plant is a fast growing variety and it spreads its reach along the length of exteriors by means of an arrangement of runners. Owing to their rapid growth, growing one plant of every preferred mint with a little care helps to provide in excess of sufficient mint for home use. Some of the mint species are more invasive compared to other varieties. It is important to take care while combining any mint with other plants or else the mint plant would invade the entire region. This is applicable even while growing mint species that are not so invasive. In order to regulate the growth of mints in an open surrounding, the plants ought to be planted in unfathomable, bottomless containers that are sunk into the ground. Alternately, they may also be planted in tubs and barrels above ground.
The corn mint is an herb with a strong aroma and is cooling. According to the Chinese Medicine Herbal Theory, corn mint goes into the lung and liver conduits to cure the problems in these organs.
Indigenous to the temperate climatic regions of the northern hemisphere and extensively cultivated in China, corn mint is generally harvested twice or thrice each year. However, the best crop yield is during the early part of summer and in autumn. It is important to note that the fresh mint leaves ought to be used immediately or may be packed in plastic bags and stored in refrigerators for a few days. Alternately, one may also freeze the mint leaves in ice cube trays. On the other hand, dried mint leaves ought to be stored in hermetically sealed containers and placed in any cool, dry and dark place.
The corn mint is a perennial plant and has several species and a wide variety, such as pineapple, orange, peppermint, apple mint and spearmint. All varieties of mints grow well in places receiving full sunlight or where there is partial shade. In addition, mints require a fertilized soil and regular watering. Unless the roots of the mint plants are confined by subterranean blockades, they spread at a very rapid pace and may invade the neighbouring areas.
Depending on the region where the mint plant is cultivated, it can be harvested twice or thrice in a year. The mint leaves are collected in summer as well as in autumn when the branches of the herb are growing plentifully. Alternately, it may also be collected during the third phase of flowering. The herb is collected over several days when the weather is fine and dried out in the sun or even in the shade. Prior to using the dehydrated mint leaves, they ought to be soaked in water and cut into small pieces.
Corn Mint (Mentha Haplocalyx) Health Benefits
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Corn mint is a valuable remedy for several ailments in Chinese herbal medicine. Corn mint is a very popular remedy for treating tender throats, colds, sore mouth and tongue as well as an assortment of other health conditions varying from measles to toothache. Similar to peppermint (M. x piperita), corn mint also facilitates in reducing temperature and possesses anti-congestive attributes. This herb may be given to patients suffering from diarrhea and dysentery. The juice extracted from the corn mint plant has also been given to cure earache. On several occasions, the herb corn mint is blended with ju hua (Chrysanthemum x morifolium) to provide relief from headaches as well as cure sore or red eyes.
Traditionally, the herb corn mint has also been used as some type of perfume, deodorizer and to flavour food and beverages. In addition, often corn mint forms an ingredient in many hair oils, cough syrups and expectorants. Corn mint is also an effective medication for eliminating worms, healing head injuries, skin ulcers and even dog bites.
During the reign of the Ming dynasty, affirms that the flavour of corn mint is caustic and hence, it is cool in nature. This helps in clearing heat, freeing as well as facilitating the assembling spots of the six yang channels on the head. The text also states that corn mint drives out pathogenic wind in every type of fever. As corn mint has a gentle cooling and penetrating nature, it is excellent at changing positions from the face to the head. Corn mint is effective in curing loss of voice, cooling the throat and problems of the mouth and teeth. The aroma of corn mint helps to open the orifices and, at the same time, is excellent in moving through the exterior muscle layer. In addition, corn mint diminishes fluid retention as well as scatters heat in the muscles.
As aforementioned, corn mint is helpful in providing relief to the head, eyes and throat when a person is suffering from headaches, cough, bloodshot eyes and tender throat. When used in the initial stages of rashes, for instance, in the case of measles, corn mint helps in emerging them to the surface and also ensures quick recovery. In addition, corn mint helps to ease pressure in the chest brought about by strain/ pressure, over work as well as nervous anxiety. In effect, corn mint also assists other herbs that help to cure stomach aches caused by consumption of excessive hot, spicy, oily foods that have the potential to cause vomiting and diarrhea.
Corn Mint (Mentha Haplocalyx) Side effects
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The herb corn mint produces a number of side effects and hence, corn mint should be used cautiously. For instance, using corn mint is likely to decrease lactation to insufficient levels in nursing mothers. This herbal medication should not be given to patients who sweat profusely or easily and/ or are feeble. Here is a word of caution. The use of corn mint has the potential to harm yin and hence, caution should be exercised while using this herb in patients suffering from yin deficiency.