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Mango Herb - Amchur

March 6th, 2007 by admin


The mango (plural mangos or mangoes) is a tropical fruit of the mango tree. Mangoes belong to the genus Mangifera which consists of about 35 species of tropical fruiting trees in the flowering plant family Anacardiaceae. No one knows the exact origins of the mango but most believe that it is native to the Southern and Southeast Asian continent including India, Burma, Sri Lanka, Pakistan and Bangladesh after fossil records were found there dating back 25 to 30 million years. Reference to mangos as the “food of the gods” can be found in the Hindu Vedas.


Scientific classification
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Sapindales
Family: Anacardiaceae
Genus: Mangifera

Species

About 35 species, including:
Mangifera altissima
Mangifera applanata
Mangifera caesia
Mangifera camptosperma
Mangifera casturi
Mangifera decandra
Mangifera foetida
Mangifera gedebe
Mangifera griffithii
Mangifera indica
Mangifera kemanga
Mangifera laurina
Mangifera longipes
Mangifera macrocarpa
Mangifera mekongensis
Mangifera odorata
Mangifera pajang
Mangifera pentandra
Mangifera persiciformis
Mangifera quadrifida
Mangifera siamensis
Mangifera similis
Mangifera swintonioides
Mangifera sylvatica
Mangifera torquenda
Mangifera zeylanicaEtymology

The name of the fruit comes from the Tamil word maangai, or the Malayalam word maanga, and popularised by the Portuguese after their Indian exploration, hence the word ‘manga’ in Portuguese.

Description


Mangoes are large trees, reaching 35-40 m in height, with a crown radius of 10 m. The leaves are evergreen, alternate, simple, 15-35 cm long and 6-16 cm broad; when young they are orange-pink, rapidly changing to a dark glossy red, then dark green as they mature. The flowers are produced in terminal panicles 10-40 cm long; each flower is small and white with five petals 5-10 mm long, with a mild sweet odor suggestive of lily of the valley. After the flowers finish, the fruit takes from three to six months to ripen.

The mango fruit is a drupe; when mature, it hangs from the tree on long stems. They are variable in size, from 10-25 cm long and 7-12 cm diameter, and may weigh up to 2.5 kg. The ripe fruit is variably colored yellow, orange and red, reddest on the side facing the sun and yellow where shaded; green usually indicates that the fruit is not yet ripe, but this depends on the cultivar. When ripe, the unpeeled fruit gives off a distinctive resinous slightly sweet smell. In the center of the fruit is a single flat, oblong seed (as big as a large stone) that can be fibrous or hairless on the surface, depending on cultivar. Inside the shell, which is 1-2 mm thick, is a paper-thin lining covering a single seed, 4-7 cm long, 3-4 cm wide, 1 cm thick.

Cultivation and uses

The mango is now widely cultivated as a fruit tree in frost-free tropical and warmer subtropical climates throughout the Indian subcontinent, Southern Pakistan, North, South and Central America, the Caribbean, south and central Africa, Australia and Southeast Asia. It is easily cultivated and there are now more than 1,000 cultivars, ranging from the turpentine mango (from the strong taste of turpentine, which according to the Oxford Companion to Food some varieties actually contain) to the huevos de toro (”bull’s balls”, from the shape and size). The mango is reputed to be the most commonly eaten fresh fruit worldwide. Mangos also readily naturalize in tropical climates. Some lowland forests in the Hawaiian Islands are dominated by introduced mangos and it is a common backyard fruit tree in South Florida where it has also escaped from cultivation.

The mango is a popular fruit with people around the world. However, many mango farmers receive a low price for their produce. This has led to mangoes being available as a ‘fair trade’ item in some countries.


Usage as food

The fruit flesh of a ripe mango contains about 15% sugar, up to 1% protein, and significant amounts of vitamins A, B and C. The taste of the fruit is very sweet, with some cultivars having a slight acidic tang. The texture of the flesh varies markedly between different cultivars; some have quite a soft and pulpy texture similar to an over-ripe plum, while others have a firmer flesh much like that of a cantaloupe or avocado, and in some cultivars the flesh can contain fibrous material. Mangoes are very juicy; the sweet taste and high water content make them refreshing to eat, though somewhat messy.

Mangoes are widely used in chutney, which in the West is often very sweet, but in the Indian subcontinent is usually sharpened with hot chilis or limes. In India, ripe mango is often cut into thin layers, desiccated , folded, and then cut and sold as bars that are very chewy. These bars, known as amavat or halva in Hindi, are similar to dried guava fruit bars available in Colombia. Many people like to eat unripe mangoes with salt (which are extremely sour; much more than lemon), and in regions where food is hotter, with salt and chili. In many American societies people enjoy eating the skin of the mango which happens to be rich in calcium, and vitamin B6.

In the Philippines, unripe mango is eaten with bagoong, fermented minute shrimp paste which comes in sweet, salty and spicy flavours. Dried strips of sweet, ripe mangoes have also gained popularity both inside and outside the country, with those produced in Cebu making it to export markets around the world.

In other parts of South-east Asia, mangos are very popular pickled with fish sauce and rice vinegar.

Mango is also used to make juices, both in ripe and unripe form. Pieces of fruit can be mashed and used in ice cream; they can be substituted for peaches in a peach (now mango) pie; or put in a blender with milk, a little sugar, and crushed ice for a refreshing beverage. A more traditional Indian drink is mango lassi, which is similar, but uses a mixture of yogurt and milk as the base, and is sometimes flavoured with salt or cardamom. In Thailand and other South East Asian countries, sweet glutinous rice is flavoured with coconut then served with sliced mango on top as a dessert.

“Mango Shake” or “Mangoshake” is a refreshing Punjabi (Indian/Pakistani) summer drink. It is traditionally made of mango pulp, whole milk, sugar and ice cubes. However there are various other ingredients which are sometimes added, such as ice cream, fresh fruit, chocolate sauce and other sauces, along with whipped cream. It is very similar to a milkshake which can be consumed with a spoon.

Dried unripe mango used as a spice in India is known as amchur (sometimes spelled amchoor). Am is a Hindi word for Mango and amchoor is nothing but powder or extract of Mango.

Note: The Sweet Bell Pepper (capsicum) was once known as mango in parts of the midwestern United States Merriam-Webster Dictionary Definition. With the advent of fresh fruit importers exposing individuals to the tropical fruit, the colloquial use of this alternative name for the Sweet Bell Pepper has become archaic, although occasionally midwestern menus will still offer stuffed mangoes as an entree.

Medicinal properties

The mango is in the same family as poison ivy and contains urushiol, though much less than poison ivy. Some people get dermatitis from touching mango peel or sap. Persons showing an allergic reaction after handling a mango can usually enjoy the fruit if someone else first removes the skin. The leaves are toxic to cattle.

Cultural context

Mango leaves are used to decorate the entrance of a household amongst Hindus. Mango leaves are also used in Indian prayers (poojas) to propitiate the Gods. The mango is also a common motif in Indian textiles, known as the paisley design.

Production and consumption

Top 12 Mango Producers - 2005 Country hectares
India 1,600,000
China 433,600
Thailand 285,000
Indonesia 273,440
Mexico 173,837
Philippines 160,000
Pakistan 151,500
Nigeria 125,000
Guinea 82,000
Flag of Brazil Brazil 68,000
Vietnam 53,000
Bangladesh 51,000
World Total 3,870,200
Source:
UN Food & Agriculture Organisation (FAO)[4]

India is by far the largest producer, with an area of 16,000 km² with an annual production of 10.8 million tonnes, which accounted for 57.18% of the total world production. The state of Maharashtra in western India has the most conducive climate conditions to produce the most renowned variety of this fruit, the Hapus mango. The earlier Portuguese explorers took to calling it Aphoos and later, Alphonso. Farmers in the entire coastal Konkan belt cultivate the Hapoos mango, which fetches them substantial profits. The Ratnagiri and Devgad Hapoos from Maharashtra jointly take place of pride as the finest amongst all types of mangoes produced. Otherwise, the state of Uttar Pradesh dominates the mango production in the North, and it is considered the most important fruit in central and eastern part of the state, from Lucknow to Varanasi, which also produce some fine varieties. In southern India, Andhra Pradesh and Karnataka states are major producers of mangoes and specialize in making a variety of mango pickles. These pickles are very spicy. It is almost an essential food in Andhra families, where mango pickle production is a household activity in summer.

Generally, once ripe, mangoes are quite juicy and can be very messy to eat. However, those exported to temperate regions are, like most tropical fruit, picked under-ripe. Although they are ethylene producers and ripen in transit, they do not have the same juiciness or flavour as the fresh fruit. A ripe mango will have an orange-yellow or reddish skin. To allow a mango to continue to ripen after purchase, it should be stored in a cool, dark place, but not in a refrigerator as this will slow the ripening process.
A woman selling mangoes in Venezuela

Native green mangoes from the Philippines

Ripe mangoes are extremely popular throughout Latin America. In Mexico, sliced mango is eaten with chili powder and/or salt. Street vendors sometimes sell whole mangoes on a stick, dipped in the chili-salt mixture. In Indonesia, green mango is sold by street vendors with sugar and salt and/or chili. Green mango may be used in the sour salad called rujak in Indonesia, and rojak in Malaysia and Singapore. In Guatemala, Ecuador, Nicaragua and Honduras, small, green mangoes are popular; they have a sharp, brisk flavour like a Granny Smith apple. Vendors sell slices of peeled green mango on the streets of these countries, often served with salt. In Hawai’i it is common to pickle green mango slices.

Cultivars

Many hundreds of named mango cultivars exist. In mango orchards, several cultivars are often intermixed to improve cross-pollination. In Maharashtra, the most common cultivar is ‘Alphonso′ (locally called ‘Aphoos’). ‘Alphonso′ is known as the King of Mangoes due to the popular opinion among many in India[citation needed] that it is the best cultivar available. The best ‘Alphonso′ mangos are reputed to come from the town of Ratnagiri and Devgad in Maharashtra. In Uttar Pradesh, ‘Dasheri’ from Lucknow is famous for its aroma, and is so tasty that even the skin can be eaten. ‘Langada’ from Varanasi in eastern UP is another variety which is extremely sought after for its fine flavour and aroma. ‘Banganapalli’ (also called ‘Banesha’ or ‘Began Phali’) of Andhra Pradesh is one of the most sought after cultivars. Maldah is one of the most sought after cultivars in Bihar. Notably, cultivars which excel in one climate fail to achieve their potential in other climates. Thus the cultivar ‘Julie’, a Jamaican favourite, and ‘Alphonso′ have never found great success in South Florida, Israel or Australia.

Currently, the world market is dominated by the cultivar ‘Tommy Atkins’, a seedling of ‘Haden’ which first fruited in 1940 in Southern Florida, USA. Despite being initially rejected commercially by Florida researchers[citation needed], ‘Tommy Atkins’ quickly became an export favourite worldwide. For example, 80% of mangos in UK supermarkets are ‘Tommy Atkins’. Despite its fibrous flesh and fair taste, growers world-wide have embraced the cultivar for its exceptional production and disease resistance, the shelf-life of its fruit, their transportability as well as their size and beautiful colour. ‘Tommy Atkins’ is predominant in the USA as well, although other cultivars, such ‘Kent’, ‘Keitt’, the Haitian grown ‘Madame Francis’ and the Mexican grown ‘Champagne’ are widely available.

In urban areas of southern Florida, small gardens, or lack thereof, have fueled the desire for dwarf Mango trees. The Fairchild Tropical Botanic Garden has led the charge for the “condo mango″ by identifying cultivars which can be productive while maintained at a height below 2-2.5 m


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Ambrosia herbs Or Ragweeds

March 6th, 2007 by admin


Ambrosia-Ragweeds
Ragweeds (Ambrosia) is a genus of flowering plants from the sunflower family (Asteraceae).


Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae
Genus: Ambrosia
The name of this genus is derived from the Greek word for “food of the gods”.

They occur in temperate regions of the northern hemisphere and South America. They prefer dry, sunny grassy plains; sandy soils; and to grow along river banks, along roadsides, disturbed soils, vacant lots and ruderal sites. Ragweed was far less common in the Eastern United States before dense European settlement/agriculture in the late 1700s.

There are 41 species worldwide. They are very ordinary in appearance. Despite being all around, they are easily overlooked. Virtually no animal browses them. Many are adapted to the arid climates of the desert. Burrobush (Ambrosia dumosa) is one of the most arid-adapted perennials in North America. About 10 species occur in the Sonoran Desert.

These are annuals, perennials and shrubs and subshrubs with erect, hispid stems growing in large clumps to a height of 75 - 90 cm. The stems are basally branched. They form a slender taproot or a creeping rhizome.

The foliage is grayish to silvery green with bipinnatifid, deeply lobed leaves with winged petioles. But in the case of Ambrosia coronopifolia, the leaves are simple. The leaf arrangement is opposite at the base, but becomes alternate higher on the stem.

Ragweeds are used as food plants by the larvae of a number of Lepidoptera species, see list of Lepidoptera which feed on ragweeds.

Reproduction
Ambrosia is a monoecious plant, i.e. it produces separate male and female flower heads on the same plant. The numerous tiny male, yellowish-green disc flower are about 3 mm in diameter. They grow in a terminal spike, subtended by joined bracts. The female, whitish-green flowers are 1-flowered and are inconspicuously situated below the male ones, in the leaf axils. The pappus is lacking.

After wind pollination, the female flowers develops into a prickly, ovoid burr with 9-18 straight spines. It contains one arrowhead-shaped seed, brown when mature, and smaller than a wheat grain. This burr gets dispersed by clinging to the fur or feathers of animals passing by. The seeds are an important winter food for many bird species.

Allergen

Each plant is reputed to be able to produce about a billion grains of pollen over a season, and the plant is anemophilous (wind-pollinated). It is highly allergenic, as the greatest pollen allergen of all pollens, and the prime cause of hayfever. The plant blooms in the northern hemisphere from about mid August until cooler weather arrives. It usually produces pollen more copiously in wet seasons. Two species, Ambrosia artemisiifolia and A. psilostachya are considered among the most noxious to those prone to hay fever.

Common Ragweed (Ambrosia artemisiifolia) is the most widespread of this genus in North America. It attains a height of about a meter. Great Ragweed, Giant Ragweed or Horseweed, (Ambrosia trifida), may grow to four meters (13 feet) or more.

Ragweed is a plant of concern in the global warming issue, because tests have shown that higher levels of carbon dioxide will greatly increase pollen production. On dry windy days, the pollen will travel many kilometers. When the humidity rises above 70%, the pollen tends to clump and is not so likely to become airborne.

Goldenrod is frequently blamed for hayfever, but simply happens to have a showy flower that blooms about the same time. Goldenrod is innocent, as it is entomophilous, ie. insect pollinated. Its pollen is heavy and sticky, and cannot become airborne.

Some high mountain and desert areas of North America used to be refuges for severe hay fever sufferers, who would go to such areas for relief during the pollen season, but increased human activity such as building and other disturbances of the soil, irrigation, and gardening, have encouraged ragweed to spread to these areas as well. Today, no area in the United States is ragweed pollen free, and moving can only offer a degree of relief. The ragweed was accidentally imported to Europe during World War I, it had adapted to the different environment successfully and has greatly spread since the 1950s. Hungary is currently the most heavily affected country in Europe (and possibly the entire world), especially since the early 1990s, when abandonment of communist-style collective agriculture left vast fields uncultivated, which were promptly invaded by ragweed.

Anecdotal claims are made of honey giving some relief for ragweed pollen allergies, which is noteworthy because honeybees very rarely visit ragweed flowers, and even then only for pollen. However, during ragweed pollen shed, the pollen dusts every surface, and honeybees, being electrostatically charged, will accumulate some ragweed pollen. The pollen is frequently identified as a component of raw honey.

The major allergen protein has been identified as Amb a 1, a 38 kDa nonglycosylated protein.

Control and Eradication

Total eradication of ragweed is considered impossible, owing to the plant’s frugality and tremendous seed-producing capability. As of 2005, there is no known safe biological remedy (e.g. beetle or worm) to be used against ragweed in the open. Mechanical and chemical methods are available and should be used to control its spread.

The act of manually uprooting ragweeds, sometimes shown in the media for public awareness and propaganda purposes, is best avoided. It is ineffective, and skin contact may cause the onset of full-blown hayfever symptoms in persons with latent ragweed hyper-sensitivity.

Although the scythe and its motorized descendants have a reduced efficiency against ragweed, they remain indispensable tools, especially in populated areas and near delicate plantation, where herbicide use must be limited. Fighting ragweed with the scythe is a continuous process, because it is difficult to cut the plant right at the soil level, and the plant will regrow in two weeks (and often branch into three or four full-sized stems) if more than half an inch of the plant remains above the ground. Areas where ragweed has been reaped should be mowed down every three weeks to prevent regrowth.

It is considered important to control the spread of ragweed in large abandoned or uncultivated areas. Ragweed pollen can remain airborne for days and travel great distances, affecting people hundreds of miles away. One efficient method for large-scale ragweed extermination is chemical spraying. Because ragweed only reacts to some of the more aggressive herbicides, it is highly recommended to consult professionals when deciding on dosage and methodology, especially near urban areas. Some proven effective active ingredients include those that are gliphosat-based (Roundup, Gliphogan, Glialka), sulphosat-based (Medallon) and gluphosinat-ammonia based (Finale14SL). In badly infested areas usually 2 to 6.5 liters of herbicides are dispersed per hectare (equal to app. 0.2 to 0.7 US gallons per acre).

Species

* Ambrosia acanthicarpa : Flatspine Burr Ragweed, Annual Bur-Sage
* Ambrosia ambrosioides : Ambrosia Burr Ragweed, Canyon Ragweed
o Ambrosia ambrosioides ssp. septentrionale
* Ambrosia artemisiifolia : Annual Ragweed, Bitterweed, Blackweed, American Wormwood
* Ambrosia aspera
* Ambrosia bidentata : Camphor Weed, Lanceleaf Ragweed
* Ambrosia canescens : Hairy Ragweed
* Ambrosia carduacea : Baja California Ragweed
* Ambrosia chamissonis : Silver Burr Ragweed, Silver Beachweed, Silver Beach Burr
* Ambrosia cheirnathifolia : Rio Grande Ragweed

* Ambrosia chenopodiifolia : San Diego Burr Ragweed, San Diego Burr Sage.
* Ambrosia confertiflora : Weakleaf Burr Ragweed
* Ambrosia cordifolia : Tucson Burr Ragweed
* Ambrosia coronopifolia
* Ambrosia deltoidea : Triangle Burr Ragweed, Triangleleaf Bur-sage, Rabbitbush.
* Ambrosia dumosa : Burrobush, White Bursage.
* Ambrosia elatior (synonym of A. artemisiifolia): Carrotweed, Annual Ragweed
* Ambrosia grayi : Woollyleaf Burr Ragweed
* Ambrosia helenae
* Ambrosia hispida : Coastal Ragweed
* Ambrosia ilicfolia : Hollyleaf Burr Ragweed, Hollyleaf Bursage.
* Ambrosia intergradiens
* Ambrosia johnstoniorum
* Ambrosia linearis : Streaked Burr Ragweed
* Ambrosia maritima : type species

* Ambrosia palustris
* Ambrosia pannosa
* Ambrosia parvifolia
* Ambrosia peruviana : Peruvian Ragweed
* Ambrosia psilostachya : Cuman Ragweed, Western Ragweed, Perennial Ragweed
* Ambrosia pumila : Dwarf Burr Ragweed, San Diego Ambrosia
* Ambrosia sandersonii
* Ambrosia scabra
o Ambrosia scabra var. robusta
o Ambrosia scabra var. tenuior
* Ambrosia tarapacana
* Ambrosia tenuifolia : Slimleaf Burr Ragweed
* Ambrosia tomentosa : Skeletonleaf Burr Ragweed
* Ambrosia trifida : Great Ragweed, Giant Ragweed, Bitterweed, Bloodweed
o Ambrosia trifida texana : Texan great Ragweed
* Ambrosia trifolia : Bitterweed, Bloodweed, Great Ragweed, Buffalo Weed
* Ambrosia velutina


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Alder

February 23rd, 2007 by admin


Alder
Alnus glutinosa
Alder
Black Alder
Common Alder
English Alder
European Alder
Fever Bush
Owler
Winter Berry

Alder - a deciduous tree; the European alder can reach 100 feet. The branches spread to a rounded crown. Broad, sharply toothed leaves, up to 4 inches long, are dark glossy green on top, pale and sticky below. Greenish-yellow male and reddish female flowers (March) are borne in separate cone like clusters (catkins). The fruits grow in roundish cones, green in summer and brown and woody in fall. The red alder resembles the European tree but has elliptical, bluntly toothed leaves.

So indestructible is the wood of the European alder that it was used to make the piles on which the city of Amsterdam and Venice’s famed Rialto section were raised. The tree’s remarkable resistance to wet rot made it a prime choice for posts and pilings in the construction of bridges and sluice gates, for water conduits, and for wooden shoes.

Herbalists through the centuries have used brews made from the bark and leaves of the alder as an astringent and a quinine substitute, and to fight inflammations and fevers. The leaves and branches also have a reputation as natural pesticides. The inner bark, boiled in vinegar and rubbed on the body, reportedly kills lice and scabies mites and dries up scabs.

The red, or Oregon, alder looks like its European cousin, which now grows wild in parts of eastern North America, and has similar properties. Alders are also valued for the nitrogen-fixing bacteria that colonize their roots and thereby enrich the soil.

PARTS USED

Bark, leaves.

USES

The astringent alder is employed most often as a mouthwash and gargle for tooth, gum, and throat problems. The drying action of a decoction of the bark helps to contract the mucous membranes and reduce inflammation. A decoction may also be used to staunch internal or external bleeding and to heal wounds. Alder is also used as a wash for scabies. In Spain, alder leaves are smoothed and placed on the soles of the feet to relieve aching. Leaves are used to help reduce breast engorgement in nursing mothers.

Both species supply natural materials for dyers and tanners and wood for smoking meats and fish and for making pilings used in wet locations. The red alder is used for furniture. Medicinally, the trees have fallen into general disuse.

HABITAT AND CULTIVATION

Alder is native to Europe, Asia, and North Africa. Alder thrives in damp places and along riverbanks. The bark and leaves are gathered in spring.

CONSTITUENTS

Alder contains lignans, tannin (10 to 20%), emodin (an anthraquinone), and glycosides.

Source: Herbs2000


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