# Scented Tartary Buckwheat Tea: Aroma Components and Antioxidant Activity
## 2 Results and Discussion
### Identification of the Aroma Compounds in Tartary Buckwheat Tea (TBT)
\begin{table}
\begin{tabular}{l c c c c c} \hline \hline \multirow{2}{*}{**No.**} & \multirow{2}{*}{**Compounds**} & \multicolumn{4}{c}{**Relative Contents/\%**} \\ \cline{3-6}  & & **TBH** & **TBC** & **TBR** & **TBJ** \\ \hline
34 & Ocimee & - & 0.87 & 1.21 & - \\
35 & 2,5,6-Trimethyl-1,3,6-heptatriene & - & 1.73 & - & - \\
36 & \(\beta\)-Sesquiphellandrene & - & 4.60 & 2.81 & 4.24 \\
37 & Trans-TTetradecene & - & 1.86 & - & - \\
38 & Alloaromatedrene & - & 30.37 & 13.68 & 10.67 \\
39 & 1-Chloro-7-heptadecene & - & 1.71 & - & - \\
40 & 2,5-Dimethyl-3-vinyl-1,4-hexadiene & - & 1.41 & - & - \\
41 & & - & - & 2.64 & 2.36 \\
42 & 4,11,11-Trimethyl-8-methylene-bicyclo [7.2.0] & - & - & 3.40 & - \\  & \multicolumn{1}{c}{undEc-4 ene} & - & - & 1.04 & - \\
43 & 5-Methyl-2-undecene & - & - & - & 2.74 \\
44 & \(\alpha\)-Copane & - & - & - & 1.23 \\
45 & \(\alpha\)-Caryophyllene & - & - & - & 1.23 \\
46 & Undecane & 0.50 & 0.73 & 0.32 & 0.07 \\
47 & Dodecane & 0.86 & 3.58 & 0.42 & 0.43 \\
48 & Dodecane,4,6-dimethyl & 3.55 & - & 0.59 & 0.61 \\
49 & Tetradecane & 2.74 & - & 3.45 & 2.59 \\
50 & 5-Butylnohane & 2.72 & - & - & - \\
51 & 2,6,10-trimethyldodecane & 0.93 & 1.26 & 2.40 & 1.22 \\
52 & Heptadecane & 1.50 & - & 2.25 & 1.32 \\
53 & Octadecane & 3.80 & - & - & - \\
54 & Nonadecane & 1.29 & - & - & 0.42 \\
55 & 3,8-Dimethyldecane & 0.30 & 0.83 & 1.62 & 1.28 \\
56 & 3-Methylundecane & 0.36 & - & 1.89 & - \\
57 & 3,7-Dimethylnohane & - & 0.54 & 1.24 & - \\
58 & Tridecane & - & 1.27 & - & - \\
59 & 5-Cyclohexylicosane & - & 0.98 & 1.44 & 1.70 \\
60 & 2,3,8-Timethyldecane & - & 1.75 & 0.69 & - \\
61 & Hexadecane & - & 0.85 & 1.17 & 0.70 \\
62 & Dodecane, 2-cyclohexylyl- & - & 0.71 & - & 1.41 \\
63 & 2,3,5-Trimethyldecane & - & 2.93 & - & - \\
64 & Dodecane, 6-methyl- & - & - & 1.60 & 0.64 \\
65 & Undecane, 4,4-dimethyl- & - & - & 1.04 & - \\
66 & 7-Cyclohexylicosane & - & - & 1.52 & - \\
67 & Pentadecane & - & - & 2.16 & - \\
68 & Heneicoasen & - & - & 1.02 & 1.79 \\
69 & (1-Propyleyle) cyclohexane & - & - & 0.69 & 1.05 \\
70 & Undecane, 6-methyl- & - & - & 1.38 & - \\
71 & Undecane, 3-methyl- & - & - & 1.82 & - \\
72 & Decane, 2,3,5,8-tetramethyl- & - & - & 1.76 & - \\
73 & Octane, 2,3,3-trimethyl- & - & - & 2.20 & - \\
74 & Heptadecane, 2,6,10,14-tetramethyl- & - & - & 1.37 & - \\
75 & Hexane, 2,3,3-trimethyl- & - & - & - & 1.27 \\ Cyclohexane, & & & & & \\
76 & 1,5-diethenyl-3-methyl-2-methylene-, & - & - & 1.64 \\ (1.alpha,3,alpha,5,4,5,4)pha. - - & - & - & 1.60 \\
77 & 5-Methyl-5-propylnohane & - & - & - & 1.60 \\
78 & Cyclohexane, 1-ethyl-2-propyl- & - & - & 1.19 \\
79 & Nonane, 2-methyl-5-propyl- & - & - & 2.73 \\
80 & Tetradecane, 5-methyl- & - & - & 1.19 \\
81 & Undecane, 3,8-dimethyl- & - & - & 1.53 \\
82 & Tetracontane, 3,5,24-trimethyl- & - & - & 2.02 \\
83 & Tridecane, 5-cyclohexyl- & - & - & 1.27 \\
84 & Tetrateracontane & - & - & 1.52 \\
85 & (1-Propylentyl) cyclohexane & - & - & - & 1.37 \\
86 & Eicosane & - & - & - & 2.31 \\
87 & 6-Methyl-6-hepten-2-one & 0.76 & - & - & - \\
88 & 4-Hexen-2-one, 3-methyl- & - & - & 0.06 & - \\
89 & 3-Hexancope & - & - & 0.06 & - \\
90 & Ethanone, 1-cyclopropyl- & - & - & 0.06 & - \\
91 & 3,5-Dimethyl-4-octanone & - & - & 0.13 & - \\
92 & Umbellulon & - & - & 0.24 & 0.03 \\
93 & 5-Hepten-2-one, 6-methyl- & - & - & 0.60 & 0.24 \\ \hline \hline \end{tabular}
\end{table} 
Table 1: _Cont._A comparison of volatile component content and varieties of aroma components in TBT varied obviously, as shown in Figure 4a,b. The esters accounted for a large proportion in TBH (34.35%), while higher alkene levels were evident in TBC (68.29%), TBR (40.26%), and TBJ (32.78%). Moreover, besides the alkane compounds numbering 23 and 26, respectively in TBR and TBJ, 51 aroma component species were also identified, exceeding those detected in other samples, while several distinctly different chemical components were found in TBT. A high level of a unique dimethyl adipate was found in TBH, while TBR contained higher levels of alloaromadendrene.