Table 2 Potent aroma active compounds (FD ≥ 2) in green herbal teas using AEDA analysis

2-Pentenal

Sweet grassy

nd^c

2

nd

4

nd

4

4

4

2

8

n-Hexanal

Green

nd

nd

4

2

nd

nd

16

8

16

256

3-Hexenal

Freshly cut grass

nd

nd

nd

16

nd

nd

64

nd

nd

16

2-Hexenal

Grassy green

nd

2

16

32

nd

nd

2

32

32

4

Tridecane

Hydrocarbon-like

nd

nd

nd

nd

nd

nd

nd

nd

4

nd

2-Hexenol

Sweet floral

861

32

16

nd

nd

nd

nd

nd

nd

nd

3-Hexenol

Floral

869

64

2

nd

nd

16

4

nd

128

2

n-Heptanal

Fatty green

916

nd

8

nd

nd

nd

nd

nd

nd

32

Ethylpyrazine

Nutty and roasted

920

4

nd

nd

nd

nd

nd

nd

nd

8

α-Pinene

Woody

939

nd

nd

nd

2

nd

256

16

16

nd

Isovaleraldehyde

Chocolate

961

nd

nd

nd

nd

nd

nd

nd

4

nd

Benzaldehyde

Green

967

nd

2

nd

nd

nd

nd

nd

128

128

Hexanoic acid

Sour fatty sweat cheese

971

nd

nd

512

nd

nd

256

nd

1024

32

Sabinene

Warm, oily-peppery

974

nd

nd

nd

4

nd

nd

nd

nd

nd

3-Octenol

Green, meaty

976

nd

nd

nd

nd

nd

nd

nd

nd

8

2,4-Heptadienal

Green fruity

989

4

16

128

nd

8

nd

nd

256

nd

β-Myrcene

Metallic

993

nd

nd

nd

16

nd

16

nd

256

256

6-Methyl-5-hepten-2-one

Citrus, musty, grass, lemon

1002

32

nd

nd

nd

nd

nd

32

nd

256

Octanal

Citrusy

1022

nd

nd

nd

nd

nd

nd

nd

nd

512

Cineole

Minty

1035

nd

nd

nd

nd

nd

nd

64

nd

nd

(E)- β ocimene

Citrusy green woody

1038

nd

nd

nd

nd

nd

2

128

nd

nd

Benzyl alcohol

Floral balsamic

1039

nd

4

nd

nd

nd

nd

64

256

nd

Benzeneacetaldehyde

Green

1042

nd

32

nd

nd

32

nd

nd

32

512

Limonene

Citrus-like, fresh

1049

nd

nd

nd

nd

nd

16

nd

nd

nd

Phenyl acetaldehyde

Floral Honey

1051

nd

nd

512

nd

nd

nd

nd

nd

1024

cis-Linalool oxide

Fruity

1074

512

32

4

32

nd

16

nd

8

16

4-Thujanol

Woody balsam

1075

nd

nd

nd

2

nd

nd

nd

nd

nd

trans-Linalool oxide

Fruity and fresh

1093

16

128

16

8

nd

8

128

nd

64

Rosefuran

Caramel green minty

1096

nd

nd

nd

nd

nd

nd

8

nd

nd

l-Linalool

Floral, fruity

1098

8

8

32

16

nd

2

512

2

32

Hotrienol

Ginger-like

1108

nd

256

128

2

nd

nd

8

64

2

Phenylethanol

Floral, rose-like

1119

2

nd

256

nd

nd

nd

4

nd

nd

1,6-Octadien-3-ol

Fresh floral woody

1136

nd

nd

512

nd

nd

32

nd

nd

nd

Ocimenol

Fresh citrus, sweet

1158

nd

nd

nd

nd

nd

nd

nd

256

nd

Menthol

Minty

1159

nd

nd

nd

nd

nd

nd

nd

nd

2

Rose furan epoxide

Green earthy citrus

1169

nd

nd

nd

nd

nd

nd

4

nd

nd

Methyl salicylate

Wintergreen-like

1175

128

64

nd

nd

128

16

nd

4

nd

1-Dodecene

Hydrocarbon-like

1186

128

16

nd

nd

nd

nd

nd

32

nd

cis-Hexenyl butyrate

Fresh, green apple, fruity

1192

nd

nd

nd

nd

nd

8

nd

nd

4

α-Terpineol

Floral and sweet

1198

64

8

1024

nd

nd

4

8

8

4

Safranal

Sweet green, floral

1201

6

256

nd

nd

16

nd

nd

nd

2

Levoverbenone

Spicy, mint, camphor note

1208

nd

nd

nd

nd

nd

nd

32

4

nd

trans-Geraniol

Sweet rose odor

1216

nd

32

4

nd

32

nd

nd

nd

64

Nerol

Floral

1226

32

4

8

nd

16

nd

nd

16

8

β-Citronellol + nerol

Clean, rose-like

1229

nd

nd

nd

nd

nd

nd

16

nd

nd

Neral

Lemon-like

1239

nd

nd

nd

nd

nd

nd

512

nd

16

Pulegone

Peppermint camphor fresh herbal

1241

nd

nd

nd

nd

nd

nd

8

nd

32

Geranial

Fresh, lemon-like

1246

nd

nd

nd

nd

nd

nd

256

4

nd

Linalyl acetate

Floral, sweet and citric

1256

nd

nd

nd

nd

nd

nd

nd

16

nd

Thymol

Sweet phenolic–herbal–medicinal

1263

nd

nd

nd

nd

nd

nd

nd

nd

512

Citral (Z)

Strong lemon

1270

nd

512

2

nd

nd

nd

nd

32

4

Geraniol

Sweet floral

1276

2

nd

nd

nd

8

128

64

256

Nerol acetate

Floral

1284

nd

2

nd

nd

nd

nd

nd

4

nd

2-Undecanone

Floral and fatty

1298

nd

nd

4

nd

nd

nd

nd

nd

nd

Menthyl acetate

Peppermint

1305

nd

nd

nd

nd

nd

nd

nd

nd

32

Neryl acetate

Floral

1354

nd

nd

nd

nd

nd

nd

nd

64

nd

cis-Isoeugenol

Spice-clove odor

1366

nd

2

nd

nd

nd

16

nd

nd

nd

α-Ionone

Warm woody

1398

2

2

nd

nd

4

nd

nd

2

64

Epoxylinalool

Sweet woody

1402

512

nd

nd

nd

nd

nd

nd

nd

128

E-Caryophyllene

Spicy, woody and terpenic

1413

nd

8

nd

8

nd

8

nd

nd

nd

β-Ionone

Dry, floral–fruity

1415

4

nd

8

nd

nd

nd

nd

nd

256

β-Caryophyllene

Spicy and peppery

1429

nd

nd

nd

nd

nd

nd

nd

64

nd

Elemene

Herbal

1445

nd

nd

nd

nd

nd

4

nd

nd

nd

α-Humulene

Earthy, woody, and spicy

1454

nd

nd

nd

nd

4

nd

nd

2

nd

(E)-β-Farnesene

Woody type odor

1456

nd

nd

nd

nd

nd

32

nd

nd

nd

Gernylacetone

Faint woody floral

1458

8

nd

nd

nd

8

nd

nd

16

1024

Caryophyllene oxide

Sweet fruity

1465

nd

nd

8

4

nd

nd

nd

nd

nd

Germacrene D

Woody spice

1490

nd

64

nd

16

nd

8

nd

nd

nd

Dihydroactinidiolide

Roasted

1491

16

nd

nd

nd

nd

nd

nd

nd

nd

Bicyclogermacrene

Green woody weedy

1494

nd

nd

nd

64

nd

nd

nd

512

nd

β-Bisabolene

Herbal type

1507

nd

nd

nd

nd

16

nd

nd

nd

nd

Cyclopentene

Spicy

1509

nd

nd

nd

nd

nd

nd

4

256

nd

Geranyl buytrate

Fruity

1547

nd

nd

nd

nd

256

4

nd

nd

64

Nerolidol

Floral green

1562

16

64

16

64

512

nd

nd

256

nd

δ-Cadinene

Thyme herbal woody

1574

nd

nd

nd

256

nd

256

nd

1024

nd

α-Cadinol

Herb wood

1653

nd

nd

nd

nd

nd

nd

nd

512

nd

Heptadecene

Hydrocarbon-like

1800

nd

nd

2

nd

nd

4

8

8

4

Hexadecanal

Green fatty grassy

1832

nd

nd

nd

nd

nd

nd

nd

nd

16

Isopropyl myristate

Faint oily fatty

1847

nd

nd

nd

nd

nd

nd

256

8

nd

Nonadecane

Hydrocarbon-like

1904

nd

nd

32

nd

nd

64

32

nd

nd

Tricosane

Waxy

1920

nd

nd

64

nd

nd

nd

nd

32

nd

Palmitic acid

Waxy

1968

nd

8

256

nd

nd

512

nd

nd

4

Oleic acid

Fresh cut grass-like

2091

4

nd

nd

nd

nd

nd

nd

nd

8

Phytol

Floral green

2105

nd

nd

32

nd

nd

2

nd

nd

4

Linoleic acid

Green

2159

nd

16

nd

nd

nd

nd

8

nd

nd

Eicosane

Hydrocarbon-like

2188

nd

nd

128

nd

4

128

nd

16

8

9-Tricosene

Fatty waxy

2276

nd

nd

nd

nd

nd

nd

nd

nd

16

Hexadecane

Weak waxy

2321

nd

nd

nd

nd

2

nd

nd

128

nd

1-Heneicosanol

Pungent, etherial, fuel oil, fruity and alcoholic, sweet

2345

nd

nd

128

nd

nd

8

nd

nd

nd

2-Tridecanone

Slightly spicy

2546

nd

nd

64

nd

nd

256

nd

nd

nd