Sl. No. Compound name DarjeelPremi. DarjeelMedim. Parajulie Pandiar Assam AFTL Assam Magor Aibheel Chinchula Cachar best Cachar med. Nilgiris   HG 1 n-hexanal 3702 1241 562 448 257 203 293 89 50 149 A 2 Leaf aldehyde (E-2-hexenal) 3436 1692 3136 5912 2478 6088 799 1677 2133 4312 958 3 Leaf alcohol (Z-3-hexenol) 1018 967 560 740 34 223 154 236 158 151 662 4 trans / cis-2-hexenol 168 531 A 183 T 86 40 62 50 63 115 5 n-hexenol 151 459 25 320 T 49 44 158 138 T 91 6 n-heptanal 58 320 185 169 100 133 55 64 38 95 63 7 Benzaldehyde 254 216 204 T 122 57 62 57 49 92 73 8 (E,Z)-2,4-Heptadienal 27 T 185 T T 14 18 T T T 12 9 (E,E)-2,4-Heptadienal 37 T 185 T T 63 62 T T T 19 10 Nonanal 66 A A A T T T T A T A 11 Phenyl acetaldehyde 310 928 951 355 836 716 898 682 330 2061 322 12 Benzyl alcohol 310 77 31 577 252 111 157 150 0 147 68 13 cis-linalool oxide 516 805 142 T 44 55 128 29 T 65 268 14 trans-linalool oxide 890 1611 574 128 29 95 427 90 27 206 1136 15 Linalool 1166 2052 1642 128 103 48 54 T T 206 2345 16 Phynyl ethyl alcohol 25 137 166 35 602 112 28 286 A 17 4-terpineol A 579 199 173 0 112 78 540 A 18 α-terpineol 165 270 154 T 131 51 157 48 19 92 80 19 Methyl salicylate 314 475 130 180 96 76 145 50 40 212 721 20 Nerol   44     18   26 36     A 21 cis-Geraniol 723 987 43 369 19 17 44   T T 14 22 Geranyl acetate 46 110 37 T 20 26 19 A T 32 35 23 β-lonone 57 54 278 76 20 20 70 34 26 103 42 24 Nerolidol 76 87 179 T 52 17 26 31 12 55 101   Total 13490 12926 9228 10301 4976 8356 4280 3717 3176 8867 7125   Terpene Index 0.78 0.81 0.98 0.41 0.90 0.92 0.93 1.0 1.0 1.0 0.99   Yamanishi Botheju ratio 0.34 1.21 0.52 0.02 0.04 0.007 0.07 - - 0.05 2.44   Mahanta ratio 0.41 1.10 0.60 0.16 0.20 0.07 0.60 0.15 0.06 0.27 2.01 Values expressed are mean of three experiments, Where A=Absent, T= Trace

Table 3: Season 1(April- June)- Black tea samples-volatile flavour compounds (VFC) μ g / 100 g.

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