Table 1 Relative quantification of the primary metabolites in CAR and MAC leaves at 30 cold days

Glucose

Fructose

Saccharose

Control

1.00±0.140 b

1.11±0.049 ab

1±0.531 b

1.07±0.321 b

1±0.293 b

0.60±0.115 b

Cold

1.14±0.028 ab

1.36±0.161 a

11.53±2.61 a

8.86±1.54 a

2.17±0.289 a

1.92±0.088 a

Raffinose

Rhamnose

Trehalose

Control

1±0.145 c

0.62±0.085c

1.00±0.032 bc

0.87±0.029 c

1.00±0.47 bc

0.695±0.048c

Cold

336.60±16.77 a

299.55±10.27 b

1.22±0.075 a

1.13±0.012ab

3.02±0.510 a

2.33±0.561 ab

GABA

Succinic acid

Fumaric acid

Control

1.00±0.065 c

1.17±0.175c

1.00±0.119 ab

0.75±0.030 b

1.00±0.025 b

1.14±0.043 b

Cold

3.53±0.661 b

6.09±0.393 a

1.95±0.469 ab

2.08±0.582 a

1.18±0.086 b

1.60±0.178 a

Palmitic acid

Stearic acid

Glycerol

Control

1±0.046 b

1.30±0.073a

1.00±0.051 b

1.29±0.069 a

1.00±0.089

1.21±0.059 a

Cold

0.35±0.059 d

0.65±0.039 c

0.37±0.057 d

0.67±0.043 c

0.52±0.056 b

0.68±0.052 b

Phenylalanine

Proline

Control

1.00±0.502 ab

1.52±0.495 a

1.00±0.439 b

0.92±0.094 b

Cold

0.18±0.074 c

0.56±0.380 ab

3.11±1.740 a

2.22±1.739 ab