Kalamata olive


A bowl of Kalamata olives
Olive (Olea europaea)
Color of the ripe fruit Dark Purple
Origin Greece
Notable regions Kalamata
Hazards Verticillium wilt and cold
Use Table and oil
Oil content 6.8%
Leaf twice the size of other olive varieties
Shape big, plump almond-shaped
Symmetry Slightly asymmetric
Kalamata olive
Nutritional value per 100 g (3.5 oz)
Energy 284 kJ (68 kcal)

Percentages are roughly approximated using US recommendations for adults.

The Kalamata olive is a large purple olive with a smooth, meaty texture named after the city of Kalamata in the southern Peloponnese, Greece.[2] Often used as table olives, they are usually preserved in wine vinegar or olive oil. Kalamata olives in the European Union are protected with PDO status.[3] Olives of the same variety grown elsewhere are marketed as Kalamon olives.[4][5][6][7][8]


Kalamata olives are grown in Kalamata in Messenia and also in nearby Laconia, both located on the Peloponnese peninsula. They are almond-shaped, plump, dark purple olives[9] from a tree distinguished from the common olive by the size of its leaves, which grow to twice the size of other olive varieties.[2] The trees are intolerant of cold and are susceptible to Verticillium wilt but are resistant to olive knot and to the olive fruit fly.[10]

Kalamata olives, which cannot be harvested green, must be hand-picked in order to avoid bruising.


There are two methods of preparing Kalamata olives, known as the long and short methods. The short method debitters the olive by packing them in water or weak brine for around a week. Once complete, they are then packed in brine and wine vinegar with a layer of olive oil and slices of lemon on top. The olives are often slit to decrease the processing time. The long method involves slitting the olives and placing them in salted water in order to debitter them, a process that can take as long as three months. Levels of polyphenol remain in the olives after processing, giving them their slightly bitter taste.[11]


  1. "Kalamata Olives". Livestrong.com. Retrieved 21 May 2011.
  2. 1 2 Miller, Korina (2010). Greece. Oakland, CA: Lonely Planet. p. 218. ISBN 978-1-74179-228-7.
  3. Quinn, Jennifer (29 July 2004). "Selling porkies - an almighty pie fight". BBC News Online Magazine. Retrieved 21 May 2011.
  4. "Kalamon and Kalamata Olives – legislation changes the name".
  5. "On the different varieties of Greek olives".
  6. "What is the difference between Kalamon olives and Kalamata olives?".
  7. "Greek Olive Species".
  8. "Olive Cultivars of South Africa".
  9. Antol, Marie Nadine (2004). The Sophisticated Olive: The Complete Guide to Olive Cuisine. Garden City Park, NY: Square One Publishers. p. 37. ISBN 978-0-7570-0024-9.
  10. Wiesman, Zeev (2009). Desert Olive Oil Cultivation: Advanced Biotechnologies. New York: Elsevier. p. 147. ISBN 978-0-12-374257-5.
  11. Kailis, Stan (2007). Producing Table Olives. Collingwood, Vic.: Landlinks Press. pp. 206–207. ISBN 978-0-643-09203-7.
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