Clove
The Syzygium aromaticum tree stands as an evergreen reaching heights of up to 20 meters. Its large leaves and crimson flowers grow in terminal clusters that signal readiness for harvest. Flower buds begin with a pale hue before turning green and finally bright red. Harvesters collect these buds at approximately 15 to 20 millimeters long. The structure features a long calyx terminating in four spreading sepals. Four unopened petals form a small central ball within the bud. Clove stalks display opposite decussate branching patterns along their slender stems. These brownish stems appear rough and irregularly wrinkled longitudinally. They possess a dry woody texture with short fracture points. Mother cloves are ripe fruits described as ovoid brown berries containing one seed. Blown cloves represent expanded flowers where corollae and stamens have been detached. Exhausted cloves contain most or all oil removed through distillation processes.
English speakers first used the word clove during the 15th century. The term derives via Middle English from Anglo-French clowes de gilofre. Old French forms trace back to the Latin word clavus meaning nail. Related English words like gillyflower originally meant clove itself. This connection comes through said Old French and Latin terms derived from Greek karyophyllon. The Greek phrase literally translates to nut leaf. Modern usage retains this historical lineage while expanding into global spice markets. The linguistic path shows how trade shaped language across centuries of exchange between cultures.
Asian cuisines use cloves to lend flavor to meats such as baked ham. Curries and marinades often incorporate these aromatic buds for depth. Fruit preparations including apples pears and rhubarb benefit from their presence. Hot beverages frequently combine cloves with lemon and sugar for warmth. Spice blends like Malay rempah empat beradik include cinnamon cardamom and star anise alongside cloves. Pumpkin pie spice and speculaas spices rely on this ingredient for signature taste. Mexican cuisine identifies cloves as clavos de olor accompanying cumin and cinnamon. Peruvian dishes range from carapulcra to arroz con leche featuring this spice. Eugenol provides a major component of clove's distinctive taste requiring only small quantities. Pairings work well with allspice vanilla red wine basil onion citrus peel star anise and peppercorns.
Archaeologist Giorgio Buccellati discovered cloves in Terqa Syria within a burned house dated 1720 BC. This finding represents the first evidence of cloves used in the west before Roman times. The discovery was reported publicly in 1978 by researchers studying the site. A single clove appeared at the Batujaya site in a waterlogged layer between 100s BC and 200s BC. This layer corresponds to the Buni culture phase of that location. Starch grains from cloves were found on stone implements at Óc Eo in Vietnam's Mekong Delta. That site functioned as a trading center for the kingdom of Funnan from the first to eighth century BC. Two cloves emerged during excavations at Mantai Sri Lanka around 900, 1100 AD. Literary mentions appear in the Ramayana and Charaka Samhita texts. Chinese records from Han Guan Yi dating 200 BC describe ministers sucking cloves to sweeten breath before speaking to emperors.
The Dutch East India Company sought control over clove production in the 17th century. They aimed to establish a monopoly similar to their nutmeg holdings. Clove trees grew across the Moluccas unlike nutmeg limited to Bandas islands. Trade exceeded the corporation's policing powers despite enforcement efforts. One tree named Afo on Ternate may be 350 to 400 years old according to experts. Experts believe seedlings from this specific tree were stolen by Frenchman Pierre Poivre in 1770. These seedlings transferred to Isle de France Mauritius then later to Zanzibar. Zanzibar became once the world's largest producer of cloves. Current leaders include Indonesia Madagascar Tanzania Sri Lanka and Comoros. Indonesia produces the most but exports only 10 to 15 percent of its total output. Domestic shortfalls sometimes require imports from Madagascar to meet demand.
Eugenol comprises 72 to 90 percent of essential oil extracted from cloves. This compound drives the characteristic aroma found throughout the spice. Complete extraction occurs at 80 minutes under pressurized water conditions. Ultrasound-assisted methods provide faster rates with lower energy costs than traditional pressing. Other phytochemicals include acetyl eugenol beta-caryophyllene vanillin crategolic acid tannins and flavonoids. Eugenol showed toxicity to test organisms at concentrations of 50 75 and 100 mg per liter. Traditional medicine uses clove oil as an analgesic for dental emergencies. Evidence suggests effectiveness against toothache pain and other types of discomfort. Clove oil may prevent growth of Enterococcus faecalis bacteria present in root canals. Studies remain inconclusive regarding fever reduction mosquito repellent or premature ejaculation prevention. Blood sugar reduction claims lack proof despite ongoing research into these potential benefits.
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Common questions
What is the scientific name of the clove tree?
The scientific name of the clove tree is Syzygium aromaticum. This evergreen species reaches heights of up to 20 meters and features large leaves with crimson flowers growing in terminal clusters.
When were cloves first discovered in the western world before Roman times?
Archaeologist Giorgio Buccellati discovered cloves in Terqa Syria within a burned house dated 1720 BC. This finding represents the first evidence of cloves used in the west before Roman times and was reported publicly in 1978 by researchers studying the site.
How did the word clove originate from Latin and Greek terms?
English speakers first used the word clove during the 15th century via Middle English from Anglo-French clowes de gilofre. The term traces back to the Latin word clavus meaning nail and derives from the Greek phrase karyophyllon which literally translates to nut leaf.
Which countries currently lead global clove production today?
Current leaders include Indonesia Madagascar Tanzania Sri Lanka and Comoros. Indonesia produces the most but exports only 10 to 15 percent of its total output while domestic shortfalls sometimes require imports from Madagascar to meet demand.
What percentage of essential oil extracted from cloves is eugenol?
Eugenol comprises 72 to 90 percent of essential oil extracted from cloves. This compound drives the characteristic aroma found throughout the spice and shows toxicity to test organisms at concentrations of 50 75 and 100 mg per liter.