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Herbs & Plants

Dicentra Canadensis

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Botanical Name: Dicentra Canadensis
Family: Papaveraceae
Subfamily: Fumarioideae
Tribe: Fumarieae
Genus: Dicentra
Species: D. canadensis
Kingdom: Plantae
Order: Ranunculales

Synonyms: Turkey Pea. Squirrel Corn. Staggerweed. Bleeding Heart. Shone Corydalis. Corydalis. Corydalis Canadensis (Goldie). Bicuculla Canadensis (Millsp.).
Common Name: Squirrel corn
Habitat:Dicentra Canadensis is native to Eastern N. America – S. Quebec, Minnesota, N. Carolina, Tennessee. It grows in rich woods. Deciduous woods, often among rock outcrops, in rich loam soils from sea level to 1500 metres.
Description:
Dicentra canadensis is a perennial plant, growing 6 to 10 inches high, with a tuberous root, flowering in early spring (often in March) having from six to nineteen nodding, greenish-white, purple-tinged flowers, the root or tuber small and round. It should be collected only when the plant is in flower and it is in flower in May. The flowers are hermaphrodite (have both male and female organs) The tubers are tawny yellow-coloured, the colour being a distinctive character. The plant must not be confounded with Corydalis (Dicentra) Cuccularia (Dutchman’s Breeches), which flowers at the same time and very much resembles it (though smaller), except in the root, the rind of which is black with a white inside, and when dried, turns brownish-yellow, and under the microscope is full of pores. It has also a peculiar faint odour, the taste at first slightly bitter, then followed by a penetrating taste, which influences the bowels and increases the saliva; the differences in the colour after drying may be caused by the age of the root. Under the microscope, it is porous, spongy, resinous, with a glistening fracture. Another Corydalis also somewhat like Turkey Corn is C. Formosa, the fresh root of which is darkish yellow throughout and has a fracture much resembling honeycomb. The true Turkey Corn is much used by American eclectic practitioners. It is slightly bitter in taste and almost odourless. Tannic acid and all vegetable astringents are incompatible with preparations containing Turkey Corn, or with its alkaloid, Corydalin..
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Cultivation: Easily grown in a rich light soil, preferably neutral to slightly acid. Prefers light shade and a sheltered position according to one report whilst another says that it prefers heavier shade. Grows well in a sheltered corner of the rock garden. The seed is very difficult to harvest, it ripens and falls from the plant very quickly. This species is closely related to D. cucullaria. After fruit set, the bulblets of Dicentra canadensis remain dormant until autumn, when stored starch is converted to sugar. At this time also, flower buds and leaf primordia are produced below ground; these then remain dormant until spring. Members of this genus are rarely if ever troubled by browsing deer.
Propagation : Seed – best sown as soon as it is ripe in a cold frame. Stored seed should be sown in early spring. Germination usually takes place within 1 – 6 months at 15°c. Two weeks warm stratification at 18°c followed by six weeks at 2°c can shorten up the germination time. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in early spring. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring. Root cuttings 7 – 10cm long in sandy soil in a cold frame
Edible Uses: The root is known to be edible.

Part Used: Dried tubers.
Constituents: The amount of alkaloids in the dried tubers is about 5 per cent; they have been found to contain corydalin, fumaric acid, yellow bitter extractive, an acrid resin and starch. The constituents of the drug have not been exactly determined, but several species of the closely allied genus Corydalis have been carefully studied and C. tuberosa, cava and bulbosa have been found to yield the following alkaloids: Corycavine, Bulbocapnine and Corydine; Corydaline is a tertiary base, Corycavine is a difficult soluble base; Bulbocapnine is present in largest amount and was originally called Corydaline. Corydine is a strong base found in the mother liquor of Bulbocapnine and several amorphous unnamed bases have been found in it. All these alkaloids have narcotic action. Protopine, first isolated from opium, has been found in several species of Dicentra and in C. vernyim, ambigua and tuberosa.

Medicinal Uses:

Alterative; Diuretic; Tonic; VD.

The dried tubers are alterative, diuretic and tonic. The tubers are useful in the treatment of chronic cutaneous affections, syphilis, scrofula and some menstrual complaints. Turkey Corn is often combined with other remedies, such as Stillingia, Burdock or Prickly Ash.

Known Hazards : The plant is potentially poisonous and can also cause skin rashes.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.
Resources:
https://en.wikipedia.org/wiki/Dicentra_canadensis
http://www.botanical.com/botanical/mgmh/t/turkey29.html
http://www.pfaf.org/user/Plant.aspx?LatinName=Dicentra+canadensis

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Eating less, exercising more equally good

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 Eating less and exercising more are equally good at helping take off the pounds, US researchers said on Friday in a study that challenges many of the popular tenets of the multibillion dollar diet and fitness industry…..click & see

Tests on overweight people show that a calorie is just a calorie, whether lost by dieting or by running, they said.

They found there is no way to selectively lose belly fat, for instance, or trim thighs. And their carefully controlled study added to evidence that adding muscle mass does not somehow boost metabolism and help dieters take off even more weight.

“It’s all about the calories,”said Dr. Eric Ravussin of the Pennington Biomedical Research Center, part of Louisiana State University in Baton Rouge.

“So long as the energy deficit is the same, body weight, fat weight, and abdominal fat will all decrease in the same way.”

Ravussin said the study, published in the Journal of Clinical Endocrinology & Metabolism is one of the few done under controlled conditions that can actually show what happens to a human body while dieting and exercising.

Ravussin’s team has been testing volunteers for another reason — to see if taking in fewer calories helps people live longer.

Strict diets have been shown to help animals from worms to dogs live longer, but it takes longer to study monkeys and humans.

They tested 24 people, 12 who ate a calorie-restricted diet, and 12 who dieted and also exercised five times a week for six months.

The dieters ate 25% less than normal, while the exercisers reduced their calorie intake by 12.5% and increased their physical activity to lose an extra 12.5 in calories.

Another 10 volunteers acted as controls. All food was provided in carefully measured portions for most of the study.

The volunteers in both groups lost 10% of body weight, 24% of fat mass, and 27% of abdominal visceral fat. Visceral fat is packed in between the internal organs and is considered the most dangerous type of fat, linked with heart disease and diabetes.

The distribution of the fat on the body was not altered by either approach — helping prove that there is no such thing as “spot reducing”, Ravussin said in a telephone interview. This suggests that “individuals are genetically programmed for fat storage in a particular pattern and that this programming cannot easily be overcome”, he added.

Ravussin has published other studies that also dispute the idea that exercise builds muscle that helps people lose weight.

“If anything, highly trained people are highly efficient, so they burn fewer calories at rest,”Ravussin said. Dieting alone also did not appear to cause the volunteers to lose muscle mass along with fat, Ravussin’s team found.

“There is a concept that if you exercise, you are going to lose less of your muscle,”he said. But his team found no evidence this is true.

Source:The Times Of India