# Effects of Table Grape Cultivars on Fruit Quality and Aroma Components
## 3 Results and Discussion
### Aroma Profiles of Different Table Grape Varieties
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multicolumn{1}{c}{**Aroma Compounds**} & \multirow{2}{*}{**Aroma Type**} & \multicolumn{5}{c}{**Grape Varieties**} \\ \cline{3-8} \multicolumn{1}{c}{**(tag/L)**} & & _Meixiangbao_ & _Italy_ & _Zaobeibao_ & _Manicure Finger_ & _Aisheumeiugui_ & _Zhengyanuehne_ \\ \hline \multicolumn{1}{c}{**C\({}_{\bullet}\) Compounds**} & & & & & & & \\ \hline Hexanal & & 654.29 \(\pm\) 0.21 \({}^{\rm\,b}\) & 468.03 \(\pm\) 1.56 \({}^{\rm\,d}\) & 547.30 \(\pm\) 0.06 \({}^{\rm\,d}\) & 803.41 \(\pm\) 2.13 \({}^{\rm\,a}\) & 237.52 \(\pm\) 0.04 \({}^{\rm\,i}\) & 414.01 \(\pm\) 0.35 \({}^{\rm\,d}\) \\ \hline Hexanal & Fruity & 41.56 \(\pm\) 0.16 \({}^{\rm\,i}\) & 230.94 \(\pm\) 9.62 \({}^{\rm\,a}\) & 77.14 \(\pm\) 0.37 \(\rm\,s\) & 139.65 \(\pm\) 1.63 \({}^{\rm\,a}\) & 90.01 \(\pm\) 3.34 \({}^{\rm\,i}\) & 52.60 \(\pm\) 2.60 \({}^{\rm\,i}\) \\ \hline
3-Hexanal & Fruity & 7.02 \(\pm\) 0.98 \({}^{\rm\,c}\) & 0.35 \(\pm\) 0.01 \({}^{\rm\,h}\) & 0.32 \(\pm\) 0.13 \({}^{\rm\,h}\) & 6.62 \(\pm\) 0.68 \({}^{\rm\,d}\) & 6.84 \(\pm\) 0.03 \({}^{\rm\,c}\) & 2.13 \(\pm\) 0.03 \({}^{\rm\,e}\) \\ \hline (E)-2-Hexanal & & 856.07 \(\pm\) 7.09 \({}^{\rm\,a}\) & 1190.67 \(\pm\) 5.15 \({}^{\rm\,a}\) & 758.47 \(\pm\) 18.43 \({}^{\rm\,m}\) & 985.13 \(\pm\) 5.09 \({}^{\rm\,a}\) & 988.43 \(\pm\) 10.68 \({}^{\rm\,e}\) & 970.02 \(\pm\) 16.58 \({}^{\rm\,d}\) \\ \hline (E)-3-Hexanol & & 5.51 \(\pm\) 0.42 \({}^{\rm\,d}\) & 4.96 \(\pm\) 0.06 \({}^{\rm\,i}\) & 9.22 \(\pm\) 0.98 \({}^{\rm\,e}\) & 1.96 \(\pm\) 0.05 \({}^{\rm\,h}\) & - & 7.89 \(\pm\) 0.44 \({}^{\rm\,a}\) \\ \hline (E)-2-Hexanol & Grass & 221.83 \(\pm\) 11.73 \({}^{\rm\,i}\) & 217.75 \(\pm\) 7.45 \({}^{\rm\,a}\) & 105.52 \(\pm\) 8.61 \({}^{\rm\,h}\) & 281.29 \(\pm\) 9.60 \({}^{\rm\,d}\) & 361.92 \(\pm\) 7.82 \({}^{\rm\,a}\) & 98.76 \(\pm\) 0.38 \({}^{\rm\,a}\) \\ \hline \multicolumn{1}{c}{**(Z)-3-Hexanol**} & 0.51 \(\pm\) 0.02 \({}^{\rm\,d}\) & - & 0.34 \(\pm\) 0.11 \({}^{\rm\,a}\) & - & - & 1.57 \(\pm\) 0.09 \({}^{\rm\,a}\) \\ \hline \multicolumn{1}{c}{**Subtotal**} & 1786.79 \(\pm\) 21.57 \({}^{\rm\,b}\) & 2112.7 \(\pm\) 39.66 \({}^{\rm\,a}\) & 1498.31 \(\pm\) 18.40 \({}^{\rm\,a}\) & 2218.06 \(\pm\) 37.84 \({}^{\rm\,a}\) & 1684.72 \(\pm\) 20.35 \({}^{\rm\,a}\) & 1546.98 \(\pm\) 44.29 \({}^{\rm\,a}\) \\ \hline \multicolumn{1}{c}{**Alcohols**} & & & & & & & \\ \hline Heptanol & Sweet wine & 0.23 \(\pm\) 0.04 \({}^{\rm\,i}\) & - & - & - & - & 0.59 \(\pm\) 0.17 \({}^{\rm\,d}\) \\ \hline Octanol & Nutty & 0.76 \(\pm\) 0.01 \({}^{\rm\,c}\) & - & 0.94 \(\pm\) 0.24 \({}^{\rm\,a}\) & 0.41 \(\pm\) 0.03 \({}^{\rm\,a}\) & - & 0.89 \(\pm\) 0.02 \({}^{\rm\,a}\) \\ \hline Nonand & - & 0.95 \(\pm\) 0.28 \({}^{\rm\,a}\) & - & - & - & - & - \\ \hline Benzyl alcohol & & 0.57 \(\pm\) 0.03 \({}^{\rm\,a}\) & - & 0.61 \(\pm\) 0.05 \({}^{\rm\,d}\) & - & - & 0.71 \(\pm\) 0.01 \({}^{\rm\,c}\) \\ \hline Phenylethyl alcohol & Flower & 16.01 \(\pm\) 1.41 \({}^{\rm\,c}\) & 6.22 \(\pm\) 0.06 \({}^{\rm\,g}\) & 24.32 \(\pm\) 3.62 \({}^{\rm\,a}\) & 3.08 \(\pm\) 0.77 \({}^{\rm\,h}\) & 4.28 \(\pm\) 0.08 \({}^{\rm\,i}\) & 7.12 \(\pm\) 1.23 \({}^{\rm\,a}\) \\ \hline
2-Heptanol & - & - & - & - & - & 1.28 \(\pm\) 0.06 \({}^{\rm\,b}\) \\ \hline
1-Octen-3-ol & & 0.44 \(\pm\) 0.02 \({}^{\rm\,a}\) & 0.99 \(\pm\) 0.15 \({}^{\rm\,a}\) & 0.39 \(\pm\) 0.06 \({}^{\rm\,a}\) & - & - & 0.73 \(\pm\) 0.02 \({}^{\rm\,d}\) \\ \hline
2-Ethyl hexanol & Flower & 2.31 \(\pm\) 0.01 \({}^{\rm\,d}\) & 3.11 \(\pm\) 0.62 \({}^{\rm\,d}\) & 2.89 \(\pm\) 0.38 \({}^{\rm\,a}\) & 2.72 \(\pm\) 0.85 \({}^{\rm\,a}\) & 5.08 \(\pm\) 0.04 \({}^{\rm\,a}\) & 3.01 \(\pm\) 0.71 \({}^{\rm\,d}\) \\ \hline Subtotal & & 20.72 \(\pm\) 3.28 \({}^{\rm\,c}\) & 11.38 \(\pm\) 0.49 \({}^{\rm\,f}\) & 29.20 \(\pm\) 0.61 \({}^{\rm\,b}\) & 6.38 \(\pm\) 1.07 \({}^{\rm\,h}\) & 9.36 \(\pm\) 2.23 \({}^{\rm\,h}\) & 14.43 \(\pm\) 1.25 \({}^{\rm\,a}\) \\ \hline \multicolumn{1}{c}{**Esters**} & & & & & & \\ \hline Enryl acetate & Vegetable oil & 3056.59 \(\pm\) 22.14 \({}^{\rm\,d}\) & 2716.64 \(\pm\) 50.08 \({}^{\rm\,a}\) & 347.97 \(\pm\) 6.72 \({}^{\rm\,h}\) & 986.28 \(\pm\) 22.13 \({}^{\rm\,h}\) & 473.34 \(  
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multicolumn{2}{c}{**Aroma**} & \multicolumn{6}{c}{**Grape Varieties**} \\ \cline{2-9}
**Compounds** & **Aroma Type** & \multicolumn{6}{c}{_Meixiangbao_} & _Italy_ & _Zaobebao_ & _Manicure Finger_ & _Aisheumeigui_ & _Zhengyannehne_ \\ \hline \multirow{2}{*}{Hotrienol} & \multicolumn{2}{c}{\(3.68\pm 0.47\)\({}^{\rm h}\)} & - & \(34.51\pm 3.21\)\({}^{\rm h}\) & \(1.43\pm 0.07\)\({}^{\rm h}\) & \(36.66\pm 3.49\)\({}^{\rm h}\) & \(7.56\pm 0.05\)\({}^{\rm h}\) \\ \hline \multicolumn{1}{c}{Myrtenol} & \multicolumn{2}{c}{\(-\)} & \(14.37\pm 1.53\)\({}^{\rm h}\) & - & \(36.67\pm 1.22\)\({}^{\rm c}\) & \(28.66\pm 0.51\)\({}^{\rm ode}\) & - \\ \hline \multicolumn{1}{c}{Isogeraniol} & \multicolumn{2}{c}{\(9.78\pm 2.05\)\({}^{\rm l}\)} & - & \(15.60\pm 1.46\)\({}^{\rm h}\) & \(56.32\pm 6.05\)\({}^{\rm ode}\) & \(8.94\pm 0.12\)\({}^{\rm h}\) & \(43.79\pm 2.37\)\({}^{\rm ode}\) \\ \hline \multicolumn{1}{c}{E-Nerolololididol} & \multicolumn{2}{c}{-} & \(13.41\pm 1.51\)\({}^{\rm h}\) & \(35.82\pm 2.34\)\({}^{\rm ode}\) & - & \(6.73\pm 0.61\)\({}^{\rm l}\) & \(12.16\pm 0.72\)\({}^{\rm h}\) \\ \hline \multicolumn{1}{c}{cis-\(\beta\)-Ocimene} & \multicolumn{2}{c}{\(0.42\pm 0.02\)\({}^{\rm k}\)} & \(18.62\pm 2.34\)\({}^{\rm h}\) & \(74.76\pm 6.21\)\({}^{\rm b}\) & \(82.14\pm 4.59\)\({}^{\rm a}\) & \(15.42\pm 0.32\)\({}^{\rm h}\) & \(53.59\pm 0.81\)\({}^{\rm d}\) \\ \hline \multicolumn{1}{c}{trans-\(\beta\)-Ocimene} & \multicolumn{2}{c}{Citrus} & - & \(7.83\pm 0.21\)\({}^{\rm l}\) & \(28.14\pm 3.76\)\({}^{\rm s}\) & \(69.76\pm 5.32\)\({}^{\rm d}\) & \(20.06\pm 2.27\)\({}^{\rm h}\) & \(24.56\pm 2.65\)\({}^{\rm g}\) \\ \hline \multicolumn{1}{c}{cis-Rose oxide} & \multicolumn{2}{c}{Roses} & \(41.29\pm 3.54\)\({}^{\rm b}\) & \(3.55\pm 0.34\)\({}^{\rm e}\) & - & - & \(31.51\pm 4.15\)\({}^{\rm c}\) & - \\ \hline \multicolumn{1}{c}{trans-Rose oxide} & \multicolumn{2}{c}{Litchi} & \(12.06\pm 2.11\)\({}^{\rm l}\) & \(6.18\pm 3.15\)\({}^{\rm m}\) & \(67.06\pm 7.54\)\({}^{\rm e}\) & \(96.35\pm 12.31\)\({}^{\rm c}\) & \(13.40\pm 0.04\)\({}^{\rm l}\) & \(31.36\pm 2.16\)\({}^{\rm l}\) \\ \hline \multicolumn{1}{c}{Subtotal} & \multicolumn{2}{c}{\(389.87\pm 18.54\)\({}^{\rm m}\)} & \(270.45\pm 21.01\)\({}^{\rm r}\) & \(1864.32\pm 32.65\)\({}^{\rm ode}\) & \(995.42\pm 21.83\)\({}^{\rm h}\) & \(819.69\pm 22.51\)\({}^{\rm k}\) & \(871.79\pm 33.41\)\({}^{\rm ode}\) \\ \hline \multicolumn{1}{c}{**C13- Norisogenroids**} & \multicolumn{2}{c}{-} & - & - & - & - & - \\ \hline \(\beta\)-Damascenone & Honey & \(0.24\pm 0.02\)\({}^{\rm l}\) & \(0.64\pm 0.06\)\({}^{\rm d}\) & \(0.96\pm 0.03\)\({}^{\rm ode}\) & - & \(1.86\pm 0.21\)\({}^{\rm a}\) & - \\ \hline \(\beta\)-Ionone & Violets & - & \(0.51\pm 0.03\)\({}^{\rm d}\) & \(0.34\pm 0.02\)\({}^{\rm e}\) & \(0.92\pm 0.06\)\({}^{\rm b}\) & \(1.43\pm 0.02\)\({}^{\rm ode}\) & \(0.44\pm 0.03\)\({}^{\rm ode}\) \\ \hline \multicolumn{1}{c}{Geranylacetone} & Flowers & - & \(0.81\pm 0.05\)\({}^{\rm c}\) & \(0.95\pm 0.13\)\({}^{\rm b}\) & \(0.87\pm 0.06\)\({}^{\rm c}\) & \(1.14\pm 0.01\)\({}^{\rm b}\) & - \\ \hline \multicolumn{1}{c}{Subtotal} & \multicolumn{2}{c}{\(0.45\pm 0.05\)\({}^{\rm l}\)} & \(1.96\pm 0.03\)\({}^{\rm e}\) & \(2.25\pm 0.15\)\({}^{\rm ode}\) & \(1.79\pm 0.02\)\({}^{\rm e}\) & \(4.43\pm 0.31\)\({}^{\rm a}\) & \(1.18\pm 0.12\)\({}^{\rm ode}\) \\ \hline \multicolumn{1}{c}{TOTAL} & \multicolumn{2}{c}{\(7548.73\pm 46.51\)\({}^{\rm b}\)} & \(5397.12\pm 123.17\)\({}^{\rm ode}\) & \(3878.89\pm 84.06\)\({}^{\rm g}\) & \(4995.88\pm 79.31\)\({}^{\rm ode}\) & \(3150.27\pm 36.12\)\({}^{\rm l}\) & \(3525.05\pm 84.49\)\({}^{\rm g}\) \\ \hline \multicolumn{1}{c}{**Aroma Capruge Varieties**} & \multicolumn{2}{c}{**Grape Varieties**} \\ \cline{2-9}
**Compounds** & **Aroma Type** & \multicolumn{2}{c}{_Heibaldao_} & _Ruby Scedless_ & _Rhidruuchnyi_ & _Sweet Sapphire_ & _Shnozing 1 Hao_ \\ \hline \multicolumn{1}{c}{Hexanal} & \multicolumn{2}{c}{\(307.41\pm 6.71\)\({}^{\rm h}\)} & \(462.23\pm 1.08\)\({}^{\rm cl}\) & \(413.55\pm 0.54\)\({}^{\rm e}\) & \(655.13\pm 3.65\)\({}^{\rm b}\) & \(374.01\pm 2.80\)\({}^{\rm f}\) \\ \hline \multicolumn{1}{c}{Hexanol} & \multicolumn{2}{c}{Fruity} & \(156.82\pm 0.52\)\({}^{\rm d}\) & \(157.49\pm 2.49\)\({}^{\rm d}\) & \(52.14\pm 5.74\)\({}^{\rm i}\) & \(42.40\pm 2.23\)\({}^{\rm i}\) & \(62.93\pm 5.74\)\({}^{\rm h}\) \\ \hline \multicolumn{1}{c}{3-Hexanal} & \multicolumn{2}{c}{Fruity} & \(9.04\pm 0.16\)\({}^{\rm a}\) & \(9.71\pm 1.17\)\({}^{\rm a}\) & \(1.67\pm 0.05\)\({}^{\rm f}\)  
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Aroma** & \multicolumn{5}{c}{**Grape Varieties**} \\ \cline{3-6}
**Compounds** & **Aroma Type** & \multicolumn{5}{c}{_Heibalauho_} & _Ruby Seedless_ & _Ruibalauhogi_ & _Sweet Sapphire_ & _Shuozing I Hao_ \\ \hline Ethyl hexanoate & & 0.17 \(\pm\) 0.02 \({}^{\rm\,k}\) & 0.74 \(\pm\) 0.23 \({}^{\rm\,ph}\) & - & 23.49 \(\pm\) 3.12 \({}^{\rm\,s}\) & 0.82 \(\pm\) 0.02 \({}^{\rm\,s}\) \\ \hline Heyl acetate & & 0.52 \(\pm\) 0.04 \({}^{\rm\,s}\) & 1.19 \(\pm\) 0.51 \({}^{\rm\,c}\) & 3.45 \(\pm\) 0.62 \({}^{\rm\,s}\) & - & - \\ \hline Ethyl heptanoate & Rose & - & 0.67 \(\pm\) 0.02 \({}^{\rm\,s}\) & 0.28 \(\pm\) 0.03 \({}^{\rm\,f}\) & 9.84 \(\pm\) 1.34 \({}^{\rm\,b}\) & - \\ \hline Ethyl octanoate & & 0.37 \(\pm\) 0.02 \({}^{\rm\,s}\) & 1.04 \(\pm\) 0.08 \({}^{\rm\,s}\) & - & 3.51 \(\pm\) 0.62 \({}^{\rm\,s}\) & 12.13 \(\pm\) 1.65 \({}^{\rm\,s}\) \\ \hline Ethyl isobutyrate & Strawberries & 0.28 \(\pm\) 0.03 \({}^{\rm\,j}\) & 0.95 \(\pm\) 0.05 \({}^{\rm\,j}\) & 0.42 \(\pm\) 0.01 \({}^{\rm\,j}\) & - & 8.77 \(\pm\) 0.53 \({}^{\rm\,s}\) \\ \hline Benzoic acid ethyl & & 0.84 \(\pm\) 0.16 \({}^{\rm\,c}\) & 1.51 \(\pm\) 0.19 \({}^{\rm\,s}\) & - & - & - \\ \hline Methyl salicate & - & - & - & - & 20.35 \(\pm\) 2.26 \({}^{\rm\,c}\) \\ \hline Methyl & & - & 0.75 \(\pm\) 0.01 \({}^{\rm\,i}\) & 0.15 \(\pm\) 0.01 \({}^{\rm\,k}\) & 5.21 \(\pm\) 0.12 \({}^{\rm\,s}\) & 7.13 \(\pm\) 1.04 \({}^{\rm\,a}\) \\ \hline Ethyl12- & \multirow{2}{*}{Fruify} & \multirow{2}{*}{2.58 \(\pm\) 0.51 \({}^{\rm\,s}\)} & \multirow{2}{*}{2.99 \(\pm\) 0.16 \({}^{\rm\,s}\)} & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \multirow{2}{*}{-} \\ methylbutanoate & & & & & & \\ \hline Ethyl3- & \multirow{2}{*}{0.57 \(\pm\) 0.05 \({}^{\rm\,s}\)} & \multirow{2}{*}{0.94 \(\pm\) 0.04 \({}^{\rm\,c}\)} & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \multirow{2}{*}{-} \\ methylbutanoate & & & & & & \\ \hline (Z)-2-Butenoic & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \multirow{2}{*}{8.09 \(\pm\) 0.07 \({}^{\rm\,c}\)} & \multirow{2}{*}{9.49 \(\pm\) 1.56 \({}^{\rm\,b}\)} \\ acid, ethyl ester & & & & & & \\ \hline
2-Hevenoic acid, ethyl ester & \multirow{2}{*}{0.48 \(\pm\) 0.04 \({}^{\rm\,s}\)} & \multirow{2}{*}{0.95 \(\pm\) 0.06 \({}^{\rm\,b}\)} & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \multirow{2}{*}{-} \\ \hline Ethyl-3- & \multirow{2}{*}{Wine} & \multirow{2}{*}{0.55 \(\pm\) 0.05 \({}^{\rm\,s}\)} & \multirow{2}{*}{1.22 \(\pm\) 0.13 \({}^{\rm\,s}\)} & \multirow{2}{*}{0.49 \(\pm\) 0.02 \({}^{\rm\,s}\)} & \multirow{2}{*}{2.59 \(\pm\) 0.64 \({}^{\rm\,s}\)} & \multirow{2}{*}{6.44 \(\pm\) 1.27 \({}^{\rm\,b}\)} \\ hydroxybutyrate & & & & & & \\ \hline Subtotal & 2131.25 \(\pm\) 76.42 \({}^{\rm\,h}\) & 5731.92 \(\pm\) 45.89 \({}^{\rm\,b}\) & 2970.93 \(\pm\) 62.71 \({}^{\rm\,k}\) & 3337.08 \(\pm\) 15.02 \({}^{\rm\,f}\) & 784.61 \(\pm\) 20.82 \({}^{\rm\,b}\) \\ \hline
**Acids** & & & & & \\ \hline Hexanoic acid & 2.39 \(\pm\) 0.05 \({}^{\rm\,s}\) & 3.06 \(\pm\) 0.24 \({}^{\rm\,s}\) & 1.13 \(\pm\) 0.45 \({}^{\rm\,s}\) & - & 0.72 \(\pm\) 0.02 \({}^{\rm\,i}\) \\ \hline Nonanoic acid & 0.81 \(\pm\) 0.02 \({}^{\rm\,s}\) & 1.48 \(\pm\) 0.12 \({}^{\rm\,f}\) & - & - & - \\ \hline
2-Hevenoic & - & - & 0.91 \(\pm\) 0.05 \({}^{\rm\,s}\) & 2.08 \(\pm\) 0.56 \({}^{\rm\,c}\) & 0.43 \(\pm\) 0.02 \({}^{\rm\,s}\) \\ \hline Subtotal & 3.20 \(\pm\) 0.51 \({}^{\rm\,s}\) & 3.87 \(\pm\) 0.64 \({}^{\rm\,b}\) & 3.04 \(\pm\) 0.92 \({}^{\rm\,a}\) & 2.08 \(\pm\) 0.56 \({}^{\rm\,i}\) & 3.62 \(\pm\) 1.54 \({}^{\rm\,c}\) \\ \hline
**Aldehydes** & & & & & \\ \hline Pentanal & - & - & - & - & 6.76 \(\pm\) 1.03 \({}^{\rm\,b}\) \\ \hline Heptanal & Herb & 4.87 \(\pm\) 0.76 \({}^{\rm\,b}\) & 5.54 \(\pm\) 1.04 \({}^{\rm\,s}\) & 0.21 \(\pm\) 0.02 \({}^{\rm\,f}\) & 1.28 \(\pm\) 0.06 \({}^{\rm\,s}\) & 0.51 \(\pm\) 0.04 \({}^{\rm\,f}\) \\ \hline Octanal & & 0.66 \(\pm\) 0.02 \({}^{\rm\,s}\) & 1.33 \(\pm\) 0.05 \({}^{\rm\,b}\) & - & - & - \\ \hline Nonanal & - & - & - & 1.93 \(\pm\) 0.62 \({}^{\rm\,f}\) & 4.65 \(\pm\) 0.61 \({}^{\rm\,d}\) \\ \hline Decanal & Citrus Peel & - & - & 2.69 \(\pm\) 0.74 \({}^{\rm\,c}\) & - & - \\ \hline Benzaldehyde & & 3.45 \(\pm\) 0.07 \({}^{\rm\,h}\) & 4.12 \(\pm\) 0.60 \({}^{\rm\,s}\) & - & 9.77 \(\pm\) 1.25 \({}^{\rm\,c}\) & 5.96 \(\pm\) 0.03 \({}^{\rm\,f}\) \\ \hline Phenylacetaldehyde & Hyxcinth & 1.05 \(\pm\) 0.02 \({}^{\rm\,s}\) & 1.72 \(\pm\) 0.43 \({}^{\rm\,i}\) & 7.48 \(\pm\) 0.22 \({}^{\rm\,b}\) & 5.49  
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multicolumn{2}{c}{**Aroma**} & \multicolumn{5}{c}{**Grape Varieties**} \\ \cline{3-8} \multicolumn{1}{c}{**Compounds**} & \multicolumn{1}{c}{**Aroma Type**} & \multicolumn{1}{c}{_Heibalaluo_} & \multicolumn{1}{c}{_Ruby Seedless_} & \multicolumn{1}{c}{_Rualturkubayi_} & \multicolumn{1}{c}{_Sweet Sapphire_} & \multicolumn{1}{c}{_Shnozing I Hao_} \\ \hline \(\alpha\)-Terpinene & & 4.40 \(\pm\) 0.02 \({}^{\ast}\) & 5.65 \(\pm\) 1.01 \({}^{\ast}\) & 19.94 \(\pm\) 0.55 \({}^{\ast}\) & - & 3.06 \(\pm\) 0.30 \({}^{\ast}\) \\ \hline \(\alpha\)-Terpineol & Flower & 3.73 \(\pm\) 0.01 \({}^{\ast}\) & 4.24 \(\pm\) 0.05 \({}^{\ast}\) & 40.71 \(\pm\) 1.62 \({}^{\rm\,b}\) & - & - \\ \hline \(\beta\)-MyCrone & Grass & 10.26 \(\pm\) 0.03 \({}^{\ast}\) & 12.93 \(\pm\) 1.43 \({}^{\rm\,b}\) & - & 4.33 \(\pm\) 0.65 \({}^{\rm\,f}\) & 2.94 \(\pm\) 0.02 \({}^{\rm\,b}\) \\ \hline \(\beta\)-Ocimee & & - & 8.31 \(\pm\) 0.10 \({}^{\ast}\) & - & - & 19.15 \(\pm\) 1.76 \({}^{\ast}\) \\ \hline (Z)-Limonene & & - & 5.41 \(\pm\) 0.16 \({}^{\rm\,b}\) & - & - & 14.20 \(\pm\) 3.04 \({}^{\rm\,c}\) \\ \hline \(\gamma\)-Terpinene & Lemon & 1.41 \(\pm\) 0.03 \({}^{\rm\,b}\) & 2.08 \(\pm\) 0.06 \({}^{\rm\,s}\) & 8.35 \(\pm\) 0.06 \({}^{\rm\,b}\) & 6.45 \(\pm\) 1.03 \({}^{\rm\,d}\) & - \\ \hline 4-Terpinene & & - & - & - & - & - \\ \hline o-Cymene & & 4.83 \(\pm\) 0.54 \({}^{\rm\,s}\) & 8.50 \(\pm\) 1.22 \({}^{\rm\,f}\) & 48.88 \(\pm\) 3.02 \({}^{\rm\,s}\) & 15.97 \(\pm\) 0.06 \({}^{\rm\,d}\) & 10.42 \(\pm\) 1.15 \({}^{\ast}\) \\ \hline m-Cymene & & - & 1.71 \(\pm\) 0.53 \({}^{\rm\,b}\) & 37.27 \(\pm\) 2.19 \({}^{\rm\,b}\) & 8.96 \(\pm\) 0.29 \({}^{\rm\,d}\) & 4.80 \(\pm\) 0.04 \({}^{\rm\,g}\) \\ \hline Terpinolence & Nutty & - & - & - & - & 22.23 \(\pm\) 2.07 \({}^{\rm\,b}\) \\ \hline Eugenol & Lilac & 8.07 \(\pm\) 0.09 \({}^{\rm\,c}\) & 8.74 \(\pm\) 0.35 \({}^{\rm\,b}\) & 0.34 \(\pm\) 0.06 \({}^{\rm\,f}\) & - & - \\ \hline Hotrienol & & 13.45 \(\pm\) 1.27 \({}^{\rm\,cd}\) & 17.12 \(\pm\) 0.04 \({}^{\rm\,b}\) & 7.10 \(\pm\) 0.05 \({}^{\rm\,s}\) & 4.52 \(\pm\) 0.31 \({}^{\rm\,h}\) & 16.95 \(\pm\) 1.41 \({}^{\rm\,c}\) \\ \hline Myrtenol & Mint & - & 0.67 \(\pm\) 0.01 \({}^{\rm\,b}\) & - & - & 7.24 \(\pm\) 0.05 \({}^{\rm\,s}\) \\ \hline Isogeraniol & & - & 18.88 \(\pm\) 1.34 \({}^{\rm\,s}\) & 43.33 \(\pm\) 2.15 \({}^{\rm\,d}\) & 10.62 \(\pm\) 1.43 \({}^{\rm\,b}\) & - \\ \hline E-Nerolidol & & 12.13 \(\pm\) 1.72 \({}^{\rm\,d}\) & 12.80 \(\pm\) 0.56 \({}^{\rm\,d}\) & 11.67 \(\pm\) 0.94 \({}^{\rm\,d}\) & - & 16.22 \(\pm\) 0.65 \({}^{\rm\,c}\) \\ \hline cis-\(\beta\)-Ocimee & & - & - & 53.13 \(\pm\) 4.62 \({}^{\rm\,b}\) & 1.26 \(\pm\) 0.03 \({}^{\rm\,f}\) & - \\ \hline trans-\(\beta\)-Ocimee & Citrus & - & - & 24.10 \(\pm\) 3.07 \({}^{\rm\,d}\) & - & 10.50 \(\pm\) 2.07 \({}^{\rm\,g}\) \\ \hline cis-Rose oxide & Rose & 17.15 \(\pm\) 1.89 \({}^{\rm\,g}\) & 17.82 \(\pm\) 1.23 \({}^{\rm\,g}\) & - & 42.13 \(\pm\) 3.14 \({}^{\rm\,c}\) & 20.97 \(\pm\) 0.51 \({}^{\rm\,f}\) \\ \hline trans-Rose oxide & Litchi & 18.91 \(\pm\) 252 \({}^{\rm\,g}\) & 29.58 \(\pm\) 4.61 \({}^{\rm\,a}\) & 30.91 \(\pm\) 3.62 \({}^{\rm\,a}\) & 13.44 \({}^{\rm\,i}\) & - \\ \hline Subtotal & & 679.50 \(\pm\) 22.64 \  
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multicolumn{1}{c}{**Aroma**} & \multicolumn{6}{c}{**Grape Varieties**} \\ \cline{2-9} \multicolumn{1}{c}{**Compounds**} & \multicolumn{1}{c}{**Aroma Type**} & \multicolumn{1}{c}{**Jumeigui**} & \multicolumn{1}{c}{**Shine-Muscat**} & \multicolumn{1}{c}{**Hutai \& Hao**} & \multicolumn{1}{c}{**Heiseiancai**} & \multicolumn{1}{c}{**Zitianwube**} & \multicolumn{1}{c}{**Summer Black**} \\ \hline Subtotal & & \(9.54\pm 1.21\) s & \(11.84\pm 1.25\) s  & \(12.40\pm 2.31\) s  & \(14.40\pm 0.59\) s  & \(10.45\pm 0.26\) s  & \(11.42\pm 0.49\) s  \\ \hline \multicolumn{1}{c}{**Esters**} & & & & & & \\ \hline \multicolumn{1}{c}{Etryl acetate} & Vegetable oil & \(473.34\pm 15.66\) s  & \(686.28\pm 22.40\) s  & \(540.97\pm 15.39\) s  & \(470.53\pm 10.54\) s  & \(541.28\pm 20.13\) s  & \(490.91\pm 13.47\) s  \\ \hline Ethyl propionate & Pineapple & - & - & \(2.18\pm 0.03\) s  & - & \(2.49\pm 0.02\) s  & \(13.36\pm 0.03\) s  \\ \hline Ethyl butyrate & Banana & \(142.21\pm 2.46\) s  & \(140.54\pm 3.08\) s  & \(157.27\pm 1.67\) s  & \(57.59\pm 2.02\) s  & \(137.58\pm 1.80\) s  & \(105.42\pm 2.31\) s  \\ \hline Butyl acetate & Fruity & \(0.52\pm 0.02\) s  & \(0.77\pm 0.03\) s  & - & \(0.91\pm 0.03\) s  & \(0.98\pm 0.02\) s  \\ \hline Ethyl pentanoate & - & - & \(0.67\pm 0.01\) s  & - & \(0.82\pm 0.02\) s  \\ \hline Methyl hexanoate & - & - & \(6.05\pm 0.36\) s  & - & \(6.46\pm 0.41\) s  & \(3.41\pm 0.13\) s  \\ \hline Ethyl hexanoate & - & \(0.17\pm 0.01\) s  & \(15.06\pm 0.02\) s  & - & \(11.37\pm 0.75\) s  & - \\ \hline Hexyl acetate & - & \(0.52\pm 0.02\) s  & - & - & \(1.03\pm 0.03\) s  & \(0.74\pm 0.11\) s  \\ \hline Ethyl heptanoate & Rose & \(0.54\pm 0.01\) s  & - & \(5.81\pm 0.65\) s  & - & \(6.12\pm 0.83\) s  & - \\ \hline Ethyl octanoate & - & \(0.37\pm 0.02\) s  & - & \(12.13\pm 0.19\) s  & - & - \\ \hline Ethyl isobutyrate & Strawberries & - & - & \(13.09\pm 1.06\) s  & \(8.77\pm 0.07\) s  & \(8.40\pm 0.31\) s  & \(10.26\pm 1.09\) s  \\ \hline Benzoic acid & & \(3.06\pm 0.13\) s  & \(0.84\pm 0.02\) s  & - & - & - \\ \hline ethyl salicylate & - & \(5.06\pm 0.70\) s  & - & \(10.02\pm 0.40\) s  & - & - \\ \hline Methyl & & - & - & \(6.91\pm 0.05\) s  & - & \(12.51\pm 0.23\) s  \\ \hline Ethyl2- & \multirow{2}{*}{Fruity} & - & - & \(10.58\pm 1.10\) s  & - & - & \(6.35\pm 0.63\) s  \\ \hline methyl\(1\)- & \multirow{2}{*}{Fruity} & - & \(0.57\pm 0.03\) s  & \(13.42\pm 0.61\) s  & - & \(10.03\pm 0.26\) s  & - \\ \hline Ethyl 3- & \multirow{2}{*}{Fruity} & - & \(4.21\pm 0.05\) s  & - & \(9.16\pm 0.06\) s  & - & - \\ acid, ethyl ester & & \(1.34\pm 0.04\) s  & \(0.28\pm 0.02\) s  & \(12.81\pm 1.42\) s  & - & \(13.12\pm 0.03\) s  & - \\ \hline Ethyl-3- & \multirow{2}{*}{Wine} & - & \(0.55\pm 0.01\) s  & - & \(8.31\pm 1.05\) s  & - & \(5.77\pm 0.41\) s [FOOTNOTE:sThe C6 compound, also known as the green component, is an unsaturated fat enzymatic breakdown product and is the essential aroma component of the 17 grape varieties [28].