Milk Thistle
October 22nd, 2007Botanical Name: Silybum marianum
Family: N.O. Compositae,Asteraceae
Subfamily: Lactucoideae
Synonym-:Marian Thistle.
Common Names-:-milk thistle, Mary thistle, holy thistle. Milk thistle is sometimes called silymarin, which is actually a mixture of the herb’s active components, including silybinin (also called silibinin or silybin).
Latin Name-:-Silybum marianum
Habitat : They are native to the Mediterranean regions of Europe, North Africa and the Middle East. It has been used for thousands of years as a remedy for a variety of ailments, especially liver problems.Whilst health uses mostly for chronic liver disease have been traditionally claimed for the plant, increasing research is being undertaken on this and other possible medical uses.
Parts Used-: Whole herb, root, leaves, seeds and hull.
Description: Members of this genus grow as annual or biennial plants. The erect stem is tall, branched and furrowed but not spiny. The large, alternate leaves are waxy-lobed, toothed and thorny, as in other genera of thistle. The lower leaves are cauline (attached to the stem without petiole). The upper leaves have a clasping base. They have large, disc-shaped pink-to-purple, rarely white, solitary flower heads at the end of the stem. The flowers consist of tubular florets. The phyllaries under the flowers occur in many rows, with the outer row with spine-tipped lobes and apical spines. The fruit is a black achene with a white pappus.
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Milk Thistle……Thistle flower………………Dried Thistle flowers
Only two species are currently classified in this genus:
Silybum eburneum Coss. & Dur., known as the Silver Milk Thistle, Elephant Thistle, or Ivory Thistle
Silybum eburneum Coss. & Dur. var. hispanicum
Silybum marianum (L.) Gaertner, the Blessed Milk Thistle, which has a large number of other common names, such as Variegated Thistle.
The two species hybridise naturally, the hybrid being known as Silybum × gonzaloi Cantó , Sánchez Mata & Rivas Mart. (S. eburneum var. hispanicum x S. marianum)
A number of other plants have been classified in this genus in the past but have since been relocated elsewhere in the light of additional research.
S. marianum is by far the more widely known species. It is believed to give some remedy for liver diseases (e.g. viral hepatitis) and an extract, silymarin, is used in medicine. The adverse effect of the medicinal use of milk thistle is loose stools.
This handsome plant is not unworthy of a place in our gardens and shrubberies and was formerly frequently cultivated. The stalks, like those of most of our larger Thistles, may be eaten, and are palatable and nutritious. The leaves also may be eaten as a salad when young. Bryant, in his Flora Dietetica, writes of it: ‘The young shoots in the spring, cut close to the root with part of the stalk on, is one of the best boiling salads that is eaten, and surpasses the finest cabbage. They were sometimes baked in pies. The roots may be eaten like those of Salsify.’ In some districts the leaves are called ‘Pig Leaves,’ probably because pigs like them, and the seeds are a favourite food of goldfinches.
The common statement that this bird lines its nest with thistledown is scarcely accurate, the substance being in most cases the down of Colt’s-foot (Tussilago), or the cotton down from the willow, both of which are procurable at the building season, whereas thistledown is at that time immature.
Westmacott, writing in 1694, says of this Thistle: ‘It is a Friend to the Liver and Blood: the prickles cut off, they were formerly used to be boiled in the Spring and eaten with other herbs; but as the World decays, so doth the Use of good old things and others more delicate and less virtuous brought in.’
The heads of this Thistle formerly were eaten, boiled, treated like those of the Artichoke.
There is a tradition that the milk-white veins of the leaves originated in the milk of the Virgin which once fell upon a plant of Thistle, hence it was called Our Lady’s Thistle, and the Latin name of the species has the same derivation.
HEALTH BENEFITS:
The seeds of this plant are used nowadays for the same purpose as Blessed Thistle, and on this point John Evelyn wrote: ‘Disarmed of its prickles and boiled, it is worthy of esteem, and thought to be a great breeder of milk and proper diet for women who are nurses.’
It is in popular use in Germany for curing jaundice and kindred biliary derangements. It also acts as a demulcent in catarrh and pleurisy. The decoction when applied externally is said to have proved beneficial in cases of cancer.
Gerard wrote of the Milk Thistle that:
‘the root if borne about one doth expel melancholy and remove all diseases connected therewith. . . . My opinion is that this is the best remedy that grows against all melancholy diseases,’
which was another way of saying that it had good action on the liver. He also tells us:
‘Dioscorides affirmed that the seeds being drunke are a remedy for infants that have their sinews drawn together, and for those that be bitten of serpents:’
and we find in a record of old Saxon remedies that ‘this wort if hung upon a man’s neck it setteth snakes to flight.’ The seeds were also formerly thought to cure hydrophobia.
Culpepper considered the Milk Thistle to be as efficient as Carduus benedictus for agues, and preventing and curing the infection of the plague, and also for removal of obstructions of the liver and spleen. He recommends the infusion of the fresh root and seeds, not only as good against jaundice, also for breaking and expelling stone and being good for dropsy when taken internally, but in addition, to be applied externally, with cloths, to the liver. With other writers, he recommends the young, tender plant (after removing the prickles) to be boiled and eaten in the spring as a blood cleanser.
A tincture is prepared by homoeopathists for medicinal use from equal parts of the root and the seeds with the hull attached.
It is said that the empirical nostrum, antiglaireux, of Count Mattaei, is prepared from this species of Thistle.
Thistles in general, according to Culpepper, are under the dominion of Jupiter.
Milk thistles have been reported to have protective effects on the liver and to improve its function. They are typically used to treat liver cirrhosis, chronic hepatitis (liver inflammation), and gallbladder disorders. The active compound in Milk thistle credited with this effect is “silymarin”, and is typically administered in amount ranging from 200-500mg per day (common Milk Thistle supplements have an 80% standardized extract of silymarin). Increasing research is being carried out into its possible medical uses and the mechanisms of such effects.[1]. However, a previous literature review using only studies with both double-blind and placebo protocols concluded that milk thistle and its derivatives “does not seem to significantly influence the course of patients with alcoholic and/or hepatitis B or C liver diseases.”
Treatment claims also include:
1.Lowering cholesterol levels
2.Reducing insulin resistance in people with type 2 diabetes who also have cirrhosis
3.Reducing the growth of cancer cells in breast, cervical, and prostate cancers.
4.Milk thistle is also used in many products claiming to reduce the effects of a hangover.
5.Milk thistle can also be found as an ingredient in some energy drinks like the AriZona Beverage Company Green Tea energy drink and Rockstar Energy Drink.
How It Is Used:
Milk thistle is a flowering herb. Silymarin, which can be extracted from the seeds (fruit), is believed to be the biologically active part of the herb. The seeds are used to prepare capsules containing powdered herb or seed; extracts; and infusions (strong teas).
What the Science Says:
There have been some studies of milk thistle on liver disease in humans, but these have been small. Some promising data have been reported, but study results at this time are mixed.
Although some studies conducted outside the United States support claims of oral milk thistle to improve liver function, there have been flaws in study design and reporting. To date, there is no conclusive evidence to prove its claimed uses.
NCCAM is supporting a phase II research study to better understand the use of milk thistle for chronic hepatitis C. With the National Institute of Diabetes and Digestive and Kidney Diseases, NCCAM is planning further studies of milk thistle for chronic hepatitis C and nonalcoholic steatohepatitis (liver disease that occurs in people who drink little or no alcohol).
The National Cancer Institute and the National Institute of Nursing Research are also studying milk thistle, for cancer prevention and to treat complications in HIV patients.
Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider
Resources:
http://en.wikipedia.org/wiki/Milk_Thistle
http://nccam.nih.gov/health/milkthistle/
http://botanical.com/botanical/mgmh/t/thistl11.html#mil
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[...] Mukul placed an interesting blog post on Milk Thistle.Here’s a brief overview:It has been used for thousands of years as a remedy for a variety of ailments, especially liver problems.Whilst health uses mostly for chronic liver disease have been traditionally claimed for the plant, increasing research is being … [...]