Sulfur compounds Sulfur compounds

Onion-like, mustard-like

Onion family Onion family

Sulfur compounds Sulfur compounds

Floral

Edible flowers Edible flowers

Alcohols, terpenes, esters Alcohols, terpenes, esters

Aroma

Origin Origin

Characteristics Characteristics

"Green leaf": fresh-cut leaves, gra.s.s

Cutting or crushing; enzyme action on unsaturated cell membrane lipids Cutting or crushing; enzyme action on unsaturated cell membrane lipids

Delicate, reduced by cooking (stops enzymes, alters chemicals) Delicate, reduced by cooking (stops enzymes, alters chemicals)

Cuc.u.mber

Cutting or crushing; enzyme action on unsaturated cell membranes Cutting or crushing; enzyme action on unsaturated cell membranes

Delicate, reduced by cooking (stops enzymes, alters chemicals) Delicate, reduced by cooking (stops enzymes, alters chemicals)

"Green vegetable"

Preformed Preformed

Strong, persistent Strong, persistent

Earthy

Preformed Preformed

Strong, persistent Strong, persistent

Fresh Mushroom

Cutting or crushing; enzyme action on unsaturated cell membrane lipids Cutting or crushing; enzyme action on unsaturated cell membrane lipids

Delicate, reduced by cooking (stops enzymes, alters chemicals) Delicate, reduced by cooking (stops enzymes, alters chemicals)

Cabbage-like

Cutting or crushing; enzyme action on sulfur-containing precursors Cutting or crushing; enzyme action on sulfur-containing precursors

Strong, persistent, altered and strengthened by cooking Strong, persistent, altered and strengthened by cooking

Onion-like, mustard-like

Cutting or crushing; enzyme action on sulfur-containing precursors Cutting or crushing; enzyme action on sulfur-containing precursors

Strong, persistent, altered and strengthened by cooking Strong, persistent, altered and strengthened by cooking

Floral

Preformed Preformed

Delicate, altered by cooking Delicate, altered by cooking

Fruits "Fruity"

Apple, pear, banana, pineapple, strawberry Apple, pear, banana, pineapple, strawberry

Esters (acid + alcohol) Esters (acid + alcohol)

Citrus

Citrus family Citrus family

Terpenes Terpenes

"Fatty," "creamy"

Peach, coconut Peach, coconut

Lactones Lactones

Caramel, nutty

Strawberry, pineapple Strawberry, pineapple

Furanones Furanones

Tropical fruit, "exotic," musky

Grapefruit, pa.s.sion fruit, mango, pineapple, melon; tomato Grapefruit, pa.s.sion fruit, mango, pineapple, melon; tomato

Sulfur compounds, complex Sulfur compounds, complex