Much of the citrus fruit is exported. It is a citrus flavonoid found in a wide variety of plants including citrus fruit. The lowest slopes are rich in vineyards and citrus fruit orchards. It is the commercial center for a region where olives and citrus fruit are grown. Close to 90% of the citrus fruit juice solids are recovered with extractors. The principal agricultural products are olive oil, currants, grapes and citrus fruit. Significant crops include avocadoes, kumara, kiwifruit, citrus fruit and olives. Black pepper, butter, grated onion, vinegar and any citrus fruit can also be added. A fruit with a thick peel, such as a citrus fruit, is called a hesperidium. Was developed fruit (including citrus fruit) and grapes. Agriculture and fishing are the island's main industries, with citrus fruit and vegetables being grown. The state grows half of the country's citrus fruit and grows the most kinds. Major industries include the canning, juicing and extract of citrus fruit and other produce. Shellac is used as a 'wax' coating on citrus fruit to prolong its shelf/storage life. This method is used for the skins of citrus fruit (candied peel), angelica, and ginger.