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Introduction


CORIANDER 

Coriander (Coriandrum sativum) belonging to the family umbelliferae is used as common flavoring substance. The unripe fruits have a smell that has been compared to that of bedbugs. The plant is named after koris, the Greek word for bug. However when ripe, the seeds have a distinctive sweet citrus/mint/musty aroma that has been valued over the centuries. It is said to have originated from Eastern Europe and Asia. The stems, leaves and fruits have a pleasant aroma. The whole young plant is used in preparing chutney. In India, coriander goes into curry powders (25 to 40 per cent of world production) and is used to flavor liqueurs in Russia and Scandinavia, as well as being an important flavoring agent in gin production. 

Its leaves are used for flavoring curries, sauces and soups. Coriander leaves are excellent source of Vitamin A, C and few minerals (calcium and iron) and protein also. Seeds are also rich in protein, minerals and carbohydrates. 

The spice is also employed for the preparation of either the steam-distilled essential oil or the solvent-extracted oleoresin. Both products can be used in the flavoring and aroma industries. Essential oils can be fractionated to provide coriandrol (linalcol) (usually 60 to 70 per cent), which can be used as a starting material for synthetic production of other flavoring agents, such as citral and ionone. Dry fruits are extensively used in preparation of curry powder, pickling, spices, sauces and seasonings. In India, coriander is cultivated in Andhra Pradesh Rajasthan, Madhya Pradesh, Karnataka, Tamil Nadu and Uttar Pradesh.

Common Indian names 

 
Bengali : dhane, dhania
Gujarati : kothmiri, konphir, libdhane
Kannada : kothambri, kothmiri bija
Kashmiri : daaniwal, kothambalari
Malayalam : kothumpkalari bija, kothumpalari
Marathi : dhana, kothimber
Oriya : dhania
Punjabi : dhania
Tamil : kothamali
Telugu : dhaniyalu
Nepali : dhania

Chemical composition of the dried coriander fruits: 
 
Component Content (%)
Water 11.37
Crude protein 11.49
Fat 19.15
Crude fibre 28.43
Starch 10.53
Sugar 1.92
Mineral constituents 4.98
Essential oil 0.84


Medicinal uses 
Coriander seed decoction is used in sore throat, common cold and bilious complaints. Decoction may also be used in eye wash and in chronic conjunctivitis. Seeds are chewed to remove foul breath and used as a purgative and roasted seeds are useful in dyspepsia. The juice of fresh plant is applied to erythema. The leaves are carminative, antibilious, diuretics, tonic, stomachic and aphrodisiac. The paste of seeds is applied to relieve pain in cephalgia. 

Botany 
The bright green plant is erect and glabrous (hairless), reaching heights of 16 to 24 inches (40 - 60 cm). 

The compound lower leaves are roundish and lobed, while the upper leaves are finely divided into very narrow, lacy segments. 

Flowering starts with the primary umbel. In every umbel the peripheral umbellets, and in every umbellet the peripheral flowers are the first ones to flower. These flowers are protandrous. The central flowers of the umbellets are staminiferous or sometimes sterile. Coriander has an inferior ovary and the five calyx teeth surrounding the stylopodium are still visible in the ripe fruit. The five calyx teeth are of different length, as are the petals in peripherally situated flowers. The flowers have five petals. The peripheral flowers of every umbellet are asymmetric, as the petals toward the outside of the umbellets are lengthened. The central flowers are circular, with small inflexed petals. The color of the petals is pale pink or sometimes white.

The fruits are nearly globular and consist of two, single-seeded mericarp. The fruits often separate to consist of a concave inner surface and the ridged outer pericarp. 

All-India Area, Production and Yield of Coriander from 1997-98 to 2005-06: 

 
Year Area Production Yield
1997-98 656.5 337.7 514
1998-99 525.8 292.4 556
1999-00 415.1 239.3 576
2000-01 353.6 231.3 654
2001-02 429.2 319.4 744
2002-03 243.3 164.9 678
2003-04 483.5 389.8 806
2004-05 348.9 248.0 711
2005-06 340.4 223.4 656


Area - '000 Hectares 
Production - '000 Tonnes 
Yield - Kg/Hectare