Tropsko voće

γ-Decalactone is a lactone and aroma compound with an intense peach flavour, naturally present in many fruits. Ethyl butyrate is an ester that occurs naturally in many fruits, albeit at lower concentrations. Furaneol is found in strawberries and a variety of other fruits, and it is partly responsible for the smell of fresh pineapple. The damascenones belong to the rose ketones, a family of chemicals that also includes damascones and ionones. The damascenones are derived from the degradation of carotenoids. 4-Mercapto-4-methyl-2-pentanone is an aroma compound with a tropical flavor. It is found in Sauvignon wines and is a potent odorant of new-world hops.

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Passion fruit

Sulfur volatile compounds have been confirmed to play important roles in the tropical aromas of passion fruit. 3-Mercaptohexanol and the acetates, butanoates and hexanoates of 3-mercaptohexanol and 3-(methylthio)hexanol were identified in yellow passion fruits. The varietal thiols 3-mercaptohexanol and 3-mercaptohexyl acetate have citrus and tropical fruit flavor notes. The esters ethyl butanoate, hexyl butanoate, ethyl hexanoate and hexyl hexanoate are the major contributors to the fruity and sweet aroma of passion fruit. The terpenes limonene, myrcene, trans-ocimene, terpinolene, linalool and alpha-terpineol contribute to its floral and fruity aroma. Passion fruit volatiles form through chemical and enzymatic reactions of non-volatile precursors, carotenoid degradation products, free fatty acids and sulfur-containing components.

Mango

A study of 37 Chinese mango cultivars identified 114 volatile compounds in the pulp. Terpenoids, particularly monoterpenes, form the predominant volatile compounds in mango fruits. In that study, terpinolene and α-pinene were the main volatile compounds responsible for Chinese mango aroma.