What components give off a sweet smell?

Sweet smells are often attributed to various volatile organic compounds, including esters, aldehydes, and certain alcohols. Common examples include the fruity aromas of esters found in fruits like bananas and Apples, as well as the sweet scent of vanilla, which comes from vanillin. Additionally, certain floral compounds, such as those found in jasmine and roses, also contribute to sweet fragrances. These compounds can be naturally occurring or synthetically produced in perfumes and flavorings.