Table 3 Potent aroma active compounds (FD ≥ 2) in black herbal teas using AEDA analysis

2-Pentenal

Sweet grassy

nd^c

4

2

nd

2

nd

16

8

2

2

n-Hexanal

Green

nd

nd

32

16

nd

nd

2

nd

4

8

3-Hexenal

Freshly cut grass

nd

nd

16

nd

nd

nd

nd

nd

nd

16

2-Hexenal

Grassy green

nd

8

8

8

16

nd

4

1024

16

64

Tridecane

Hydrocarbon-like

nd

nd

4

nd

nd

4

1024

nd

128

8

2-Hexenol

Sweet floral

861

32

512

nd

nd

nd

16

16

nd

nd

3-Hexenol

Floral

869

64

2

256

nd

16

32

nd

2

nd

n-Heptanal

Fatty green

916

nd

2

nd

nd

nd

64

16

nd

nd

Ethylpyrazine

Nutty and roasted

920

8

8

nd

nd

nd

512

nd

nd

nd

α-Pinene

Woody

939

nd

nd

nd

nd

nd

4

nd

64

nd

Isovaleraldehyde

Chocolate

961

nd

nd

nd

nd

nd

nd

64

nd

Benzaldehyde

Green

967

32

8

nd

nd

nd

32

64

512

4

Hexanoic acid

Sour fatty sweat cheese

971

nd

2

nd

nd

nd

16

nd

2

16

Sabinene

Warm, oily-peppery

974

nd

nd

nd

4

nd

nd

nd

nd

nd

3-Octenol

Green, meaty

976

nd

nd

nd

nd

2

nd

nd

nd

nd

2,4-Heptadienal

Green fruity

989

nd

nd

nd

64

nd

128

nd

8

128

β-Myrcene

Metallic

993

nd

8

nd

nd

nd

8

nd

512

nd

6-Methyl-5-hepten-2-one

Citrus, musty, grass, lemon

1002

8

nd

nd

nd

nd

2

nd

nd

nd

Octanal

Citrusy

1022

nd

512

nd

nd

nd

nd

8

nd

nd

Cineole

Minty

1035

nd

nd

nd

nd

nd

nd

nd

nd

nd

(E)-β ocimene

Citrusy green woody

1038

nd

nd

nd

nd

nd

32

nd

nd

nd

Benzyl alcohol

Floral balsamic

1039

nd

4

1024

nd

nd

64

nd

4

nd

Benzeneacetaldehyde

Green

1042

nd

4

nd

nd

nd

32

nd

32

nd

Limonene

Citrus-like, fresh

1049

16

nd

nd

nd

nd

256

8

nd

nd

Phenyl acetaldehyde

Floral Honey

1051

nd

16

nd

nd

nd

256

nd

nd

8

cis-Dodecene oxide

Fruity

1074

128

32

4

2

nd

128

64

16

16

4-Thujanol

Woody balsam

1075

nd

nd

nd

16

nd

nd

nd

nd

nd

trans-Linalool oxide

Fruity and fresh

1093

256

4

2

8

nd

4

nd

8

8

Rosefuran

Caramel green minty

1096

nd

nd

nd

nd

nd

nd

nd

nd

nd

l-Linalool

Floral, fruity

1098

512

64

8

34

nd

2

nd

512

4

Hotrienol

Ginger-like

1108

nd

8

nd

32

nd

nd

nd

nd

nd

Phenylethanol

Floral, rose-like

1119

16

512

512

nd

nd

nd

nd

nd

nd

1,6-Octadien-3-ol

Fresh floral woody

1136

nd

1024

32

nd

nd

128

nd

nd

nd

Ocimenol

Fresh citrus, sweet

1158

nd

nd

nd

nd

nd

nd

nd

128

nd

Menthol

Minty

1159

nd

nd

nd

nd

nd

nd

nd

nd

128

Rose furan epoxide

Green earthy citrus

1169

nd

nd

nd

nd

nd

nd

nd

nd

nd

Methyl salicylate

Wintergreen-like

1175

nd

2

nd

nd

4

16

nd

4

nd

1-Dodecene

Hydrocarbon-like

1186

nd

2

64

nd

nd

nd

nd

1024

64

cis-Hexenyl butyrate

Fresh, green apple, fruity

1192

nd

8

nd

nd

nd

4

nd

nd

128

α Terpineol

Floral and sweet

1198

4

4

8

4

nd

nd

nd

512

4

Safranal

Sweet green, floral

1201

16

nd

nd

8

nd

nd

512

nd

nd

Levoverbenone

Spicy, mint, camphor note

1208

nd

nd

nd

nd

nd

nd

nd

16

4

trans-Geraniol

Sweet rose odor

1216

nd

16

nd

nd

2

2

nd

nd

16

Nerol

Floral

1226

nd

2

nd

16

nd

8

nd

1024

nd

β-Citronellol + nerol

Clean, rose-like

1229

nd

nd

nd

nd

nd

nd

nd

nd

nd

Neral

Lemon-like

1239

64

nd

nd

nd

nd

nd

nd

nd

nd

Pulegone

Peppermint camphor fresh herbal

1241

nd

nd

nd

nd

nd

nd

nd

nd

nd

Geranial

Fresh, lemon-like

1246

512

nd

nd

nd

nd

nd

nd

4

nd

Linalyl acetate

Floral, sweet and citric

1256

nd

nd

nd

nd

nd

8

nd

16

nd

Thymol

Sweet phenolic–herbal–medicinal

1263

nd

nd

nd

nd

nd

nd

nd

nd

nd

Citral (Z)

Strong lemon

1270

nd

34

nd

nd

nd

512

nd

32

nd

Geraniol

Sweet floral

1276

8

32

4

nd

nd

nd

nd

nd

256

Nerol acetate

Floral

1284

nd

nd

256

nd

nd

nd

nd

nd

nd

2-Undecanone

Floral and fatty

1298

nd

4

8

nd

4

nd

nd

128

2

Menthyl acetate

Peppermint

1305

nd

nd

nd

nd

nd

nd

nd

8

nd

Neryl acetate

Floral

1354

nd

16

nd

nd

nd

64

nd

16

nd

cis-isoeugenol

Spice-clove odor

1366

nd

nd

nd

nd

nd

16

nd

nd

nd

α Ionone

Warm woody

1398

nd

32

nd

2

nd

nd

2

nd

nd

Epoxylinalool

Sweet woody

1402

64

8

nd

nd

nd

nd

1024

nd

nd

E-caryophyllene

Spicy, woody and terpenic

1413

nd

nd

nd

nd

nd

2

nd

nd

nd

β Ionone

Dry, floral–fruity

1415

8

16

16

nd

nd

4

nd

nd

64

β-Caryophyllene

Spicy and peppery

1429

nd

nd

nd

16

256

nd

nd

8

nd

Elemene

Herbal

1445

nd

nd

nd

nd

nd

128

nd

32

nd

α-Humulene

Earthy, woody, and spicy

1454

nd

nd

nd

64

16

nd

nd

64

nd

(E)-β-Farnesene

Woody type odor

1456

nd

nd

nd

256

nd

512

nd

nd

nd

Gernylacetone

Faint woody floral

1458

128

128

32

128

nd

8

32

512

128

Caryophyllene oxide

Sweet fruity

1465

nd

nd

16

64

nd

nd

nd

nd

2

Germacrene D

Woody spice

1490

nd

nd

nd

nd

nd

1024

nd

2

nd

Dihydroactinidiolide

Roasted

1491

nd

256

nd

nd

nd

nd

8

nd

32

Bicyclogermacrene

Green woody weedy

1494

nd

nd

nd

nd

nd

nd

nd

nd

nd

β-Bisabolene

Herbal type

1507

nd

nd

nd

nd

nd

nd

nd

128

nd

Cyclopentene

Spicy

1509

nd

2

nd

nd

nd

nd

nd

nd

nd

Geranyl buytrate

Fruity

1547

nd

nd

nd

nd

nd

256

nd

nd

nd

Nerolidol

Floral green

1562

512

32

256

nd

4

128

nd

2

512

δ-Cadinene

Thyme herbal woody

1574

nd

nd

nd

nd

nd

4

nd

512

nd

α-Cadinol

Herb wood

1653

nd

nd

nd

nd

nd

nd

nd

nd

nd

Heptadecene

Hydrocarbon-like

1800

nd

3

8

nd

nd

2

nd

256

nd

Hexadecanal

Green fatty grassy

1832

nd

2

nd

nd

nd

nd

nd

nd

16

Isopropyl myristate

Faint oily fatty

1847

2

nd

nd

nd

nd

nd

128

nd

nd

Nonadecane

Hydrocarbon-like

1904

nd

nd

nd

nd

nd

32

nd

nd

nd

Tricosane

Waxy

1920

nd

32

16

nd

64

nd

nd

4

nd

Palmitic acid

Waxy

1968

nd

8

nd

nd

nd

256

nd

16

8

Oleic acid

Fresh cut grass-like

2091

16

64

nd

nd

nd

1024

256

nd

64

Phytol

Floral green

2105

4

4

nd

nd

8

nd

nd

256

nd

Linoleic acid

Green

2159

4

4

nd

nd

nd

nd

nd

nd

nd

Eicosane

Hydrocarbon-like

2188

nd

nd

nd

nd

8

nd

nd

8

nd

9-Tricosene

Fatty waxy

2276

nd

nd

64

nd

nd

nd

nd

nd

nd

Hexadecane

Weak waxy

2321

nd

16

128

nd

nd

nd

nd

nd

2

1-Heneicosanol

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

2345

nd

nd

nd

nd

nd

nd

nd

nd

nd

2-Tridecanone

Slightly spicy

2546

nd

1024

128

nd

nd

nd

nd

nd

256