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There’s a beautiful Greek island on the eastern edge of the Aegean Sea that is officially called Chios, but is unofficially known as “Mastiha Island.” The fifth largest among Greek islands, Chios is blessed with fertile land and a celebrated microclimate that allows islanders to grow a unique range of products, the most famous being – as its nickname suggests – mastiha (mastic), an aromatic resin produced by mastic trees.

The first references to mastiha on Chios can be found in the work of Herodotus, the ancient Greek historian, who, in the 5th century BC, described those trees that grew on the south side of the island and how the ancient Greeks collected their resin and chewed it, both for pleasure and hygienic purposes. In fact, mastiha has been described as the first chewing gum in history.

Ancient Greek healers like Hippocrates, Galinos and Dioskouridis praised mastiha, a natural antioxidant with strong anti-inflammatory and antimicrobial properties, for its medicinal and pharmaceutical uses and prescribed it widely as a cure for their patients, particularly those suffering from stomach and digestion problems as well as oral infections.

This natural sap drips from the trunk of the mastic tree (mastihodentro in Greek), technically a shrub (Pistacia Lentiscus) related to the pistachio that can grow as high as 5 meters when fully mature, a process that takes around 40 to 50 years (although the shrubs begin producing mastic five years or so after being planted). Although this family of trees can be widely traced throughout the Mediterranean region it is only on the southern side of Chios that it thrives in such a unique way and in such abundance. As a result, this side of the island is called Mastihochoria (mastic villages) and is comprised of 24 fortress-like villages that date back to Byzantine times.

It is only on the southern side of Chios that [the mastic tree] thrives in such a unique way and in such abundance.

The Genoese, famous for their trading skills, saw the potential of this precious ingredient during their occupation of the island between 1346 and 1566. They organized the villages and oversaw the cultivation of mastic trees and mastiha exports, turning it into one of the island’s most important income sources.

When the Ottomans occupied the island in 1566, they also supported the profitable mastiha industry, providing special privileges to those southern villages. Mastiha became particularly popular in the Islamic world, where it was used as a breath freshener, added to bread recipes, flavored water, and later became a main ingredient in dondurma, traditional Turkish ice cream – the mastic gave this ice cream its chewy, gum-like texture.

The process and know-how of cultivating mastic on Chios has been preserved since antiquity, passed down from generation to generation, and in 2014, it was inscribed in UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity. Men and women of all ages participate in the different stages of mastic cultivation, making it a social event that brings together the members of the community.

During winter, men are in charge of the natural fertilization and pruning of the trees. Around mid-June, women level and clean the area around the trunks so that later they can easily collect the resin that drips to the ground. Mastiha oozes from the trunk and main branches from cuts made with a sharp iron tool. In July, this crucial and delicate task of “embroidering” the tree with small slits begins (in Greek, the process is called “kentos” (κέντος) from “kentima” (κέντημα), which means embroidery), and may go on until late September, depending on that year’s weather.

Mastic drips in thick, liquid tears onto the ground, which then crystalize after a period of about 15-20 days. The women pick up the largest tears first, cleaning them by hand and storing them in a wooden box. The smaller sized crystals are usually cleaned with special machines and stored in the same way, always in a cool place.

Today mastic is still one of the most important sources of income for Chios. In 1997, mastiha was declared by the EU as a product with a Protected Designation of Origin (PDO) and given the official title of Chios Mastiha. About 65 percent of the annual production is exported abroad. Since 1938, the Chios Mastiha Growers Association has overseen the commercial management (including the packaging and export) of pure mastic tears, powder, essential oil, water and chewing gum. In 2002, this association founded a company called Medittera in order to promote and market mastic in Greece and abroad. They developed a retail outlet network under the brand Mastihashop, which is responsible for the production of over 100 items including food, cosmetics, alternative medicine and liqueurs.

From a culinary perspective, mastiha has been used as a spice in order to add flavor and aroma to various dishes in the Greek cuisine. While it’s sold in different forms – as an essential oil, in small, medium or large tears, and as a powder – the essential oil and powder are the easiest to use as tears need to be turned into a powder before adding them to any recipe. The best way to do that is with a mortar and pestle, mixed with a bit of sugar so that it doesn’t go sticky.

You’ll often find mastiha as an ingredient in baked goods, such as breads, biscuits and cakes, and other sweet treats. It’s also used in savory sauces and dressings, marmalades and other delicacies. Many traditional types of bread prepared for religious purposes in the Greek Orthodox Church include mastiha, too. It can also be added to coffee, tea and olive oil for an extra kick of flavor.

Some prefer to drink their mastiha – there’s the traditional mastiha liqueur that’s commonly served as a digestive and used to make cocktails. On Chios they make a special ouzo flavored with mastic, which thankfully can be purchased in Athens (no trip to the island required).

You’ll find mastic in supermarkets and spice stores around the country. In Athens, you can go to Evripidou Street, the spice road near the central market to purchase mastic tears, powder, essential oil or mastic water. At delis specializing in Greek products, such as Ergon, Yoleni’s, To Pantopolio tis Mesogiakis Diatrofis and of course Mastihashop and Chios Shop, you will find an array of delicacies and artisanal products with mastic, including loukoumia (Turkish delight), amygdalota (traditional almond sweets) and ypovrihio (meaning submarine), a traditional chewy treat made with mastic and sugar that’s served in a glass of ice-cold water.

Mastiha ice cream, also called kaimaki (although kaimaki does not always include mastic), is particularly popular; it often comes topped with preserved sour cherries and toasted almonds. While it can be found at many ice cream shops around the city, we recommend visiting Kokkion, Fatto a Mano or Varsos.

Tsoureki – braided brioche-like bread popular around Greek Easter but enjoyed all-year round – is aromatized with mastic. Some of the best in town can be found at Maxim in Nea Smyrni or Lido in Pagrati.

But if you want to do like the ancient Greeks, who were fond of chewing mastic, stop at any kiosk in the city and ask for ELMA chewing gum. Might as well keep up the tradition.

Editor’s note: Our recurring feature, Building Blocks, focuses on foods and ingredients that are fundamental to the cuisines we write about.

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Mastiha in Athens

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To Pantopolio tis Mesogiakis Diatrofis: 37.980568, 23.729857
Yoleni’s: 37.977651, 23.736635
Ergon: 37.975281, 23.731524
Mastihashop: 37.976993, 23.736048
Chios Shop: 37.947075, 23.643595
Kokkion: 37.978342, 23.726399
Fatto a Mano: 38.012934, 23.698023
Varsos: 38.072335, 23.812745
Maxim: 37.939965, 23.710169
Lido: 37.965769, 23.750184
 
Ergon
Address: Mitropoleos Street 23, Athens
Telephone: +30 21 0010 9090
Web: www.ergonfoods.com
Hours: 7:30am-midnight
 
Yoleni’s
Address: Solonos Street 9, Athens
Telephone: +30 212 2223623
Web: www.yolenis.com
Hours: Mon.-Sat. 8am-midnight; Sun. 10am-8pm
 
To Pantopolio tis Mesogiakis Diatrofis
Address: Sofokleous 1, Athens
Telephone: +30 21 0362 8738
Hours: Mon.-Sat. 10am-5pm; closed Sunday
 
Mastihashop
Address: Omonoia 6, Athens
Telephone: +30 21 0363 2750
Web: www.mastihashop.com
Hours: Mon.-Fri. 9am-9pm; Sat. 9am-5pm; closed Sunday
 
Chios Shop
Address: Navarinou 6, Piraeus
Telephone: +30 21 0410 1241
Hours: Mon., Weds. and Sat. 8am-4pm; Tues., Thurs. and Fri. 8am-9pm; closed Sunday
 
Kokkion
Address: Protogenous 2, Athens
Telephone: +30 698 156 3511
Hours: Mon.-Thurs. 8am-midnight; Fri. 8am-1am; Sat. 10am-1am; Sun. 10am-midnight
 
Fatto a Mano
Address: Kosta Varnali 21, Peristeri
Telephone: +30 21 0577 7407
Hours: Sat.-Thurs. 9am-midnight; Fri. 9am-1am
 
Varsos
Address: Kassaveti 5, Kifisia
Telephone: +30 21 0801 2472
Hours: Mon.-Fri. 7am-1am; Sat. 7am-2am; Sun. 7am-midnight
 
Maxim
Address: Pl. Vasileos Georgiou V 11, Nea Smyrni
Telephone: +30 21 0932 4603
Hours: 9:30am-9:30pm
 
Lido
Address: Chremonidou 35, Pagrati
Telephone: +30 21 0751 6898
Hours: Mon.-Sat. 9am-9pm; Sun. 9:30am-2:30pm & 5:30-8:30pm

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