Sl. No. Compound Para julie Pan diar DarjeelngMedium DarjeelPremim Assam AFTL AssamMagor Nilgiris HG Aibh eel Chin chula Palam pur G2 Kurti* Assam BOP 1 n-hexanal 362 1133 1227 1175 A 121 2817 A 216 A 31 168 2 Leaf aldehyde (E-2-hexenal) 75 1617 1662 1225 703 1112 413 453 1341 2581 1349 1959 3 Leaf alcohol (Z-3-hexenol) 1978 165 777 300 A 2 1710 90 1084 1890 97 12 4 trans / cis-2-hexenol 233 91 176 110 267 A 382 95 33 244 102 A 5 n-hexenol 68 A 205 830 T T 321 A 22 503 A 43 6 n-heptanal 70 94 633 T 139 92 52 56 T 234 A A 7 Benzaldehyde 66 49 72 145 167 131 78 63 57 165 39 38 8 (E,Z)-2,4-Heptadienal A A A A A A A T 130 323 T A 9 (E,E)-2,4-Heptadienal A A A A A A T 74 178 381 11 T 10 Nonanal A 32 54 T 114 123 A 119 163 129 A A 11 Phenyl acetaldehyde 1285 766 464 715 1106 646 329 696 506 133 1072 378 12 Benzyl alcohol 197 782 158 205 539 379 T 453 367 754 T 24 13 cis-linalool oxide 120 198 4705 5755 1194 821 1565 290 400 503 34 24 14 trans-linalool oxide 360 0 0 0 0 0 0 822 0 1287 105 55 15 Linalool 93 727 906 3201 1106 900 2071 1052 635 851 45 13 16 Phynyl ethyl alcohol A 0 295 1350 A 0 A 0 152 511 200 133 17 α-terpineol A A 2072 T 203 A A A A 285 10 41 18 Methyl salicylate 457 374 658 2885 1241 500 592 1225 295 1257 95 34 19 cis-Geraniol 292 409 3658 3925 128 177 714 138 316 657 15 9 20 Geranyl acetate 118 101 201 A 164 198 A 81 120 201 A 9 21 β-lonone 188 188 176 230 103 77 T 162 A 105 33 18 22 Nerolidol A A 396 560 A A 136 A A 245 26 19 23 Phytol 3009 5075 A A 1361 1102 796 3928 1177 A 1308 493 24 Indole A A A A A A A A A T 10 23 25 dihydroactinidiolide A A A A A A A A A A 24 26   Total 5962 6726 18495 22611 7174 5279 11180 5869 6015 13239 3298 3026   Terpene Index 0.66 0.69 0.60 0.69 0.95 0.90 0.83 0.94 0.76 0.80 0.92 0.91   Yamanishi Botheju ratio 1.24 0.45 0.54 2.61 1.57 0.80 5.01 2.32 0.47 0.33 0.03 0.07   Mahanta ratio 0.41 0.51 2.52 3.61 2.08 1.37 0.78 2.68 0.46 0.64 0.18 0.10 * Phytol is not included in the total volatiles as well as in mahanta ratio (refer results and discussion for details) @ Values expressed are mean of three experiments, Where A = absent, T= trace

Table 7: Season 3 (October - December)- Black tea samples-volatile flavour compounds (VFC) μ g / 100 g@.

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