Characteristic Profiles of an Original Drink Sap from Male and Female Deglet Nour Palm (Phoenix dactylifera L.) during Collection Period
Table 1
Evolution of amino acid composition (in g/100 g dry matter basis) of male and female date palm sap during collection period (A).
Amino acid (g/100 g MS)
Male sap
Female sap
1 day
7 days
14 days
21 days
28 days
35 days
42 days
1 day
7 days
14 days
21 days
28 days
35 days
42 days
His
0.025 ± 0.001
0.026 ± 0
0.033 ± 0
0.04 ± 0
0.045 ± 0
0.05 ± 0
0.049 ± 0.006
0.026 ± 0
0.034 ± 0
0.034 ± 0.003
0.03 ± 0
0.049 ± 0
0.063 ± 0
0.089 ± 0.003
Ile
ND
ND
ND
0.01 ± 0
0.015 ± 0
ND
0.016 ± 0
0.017 ± 0
0.017 ± 0
0.017 ± 0
ND
ND
ND
0.022 ± 0
Leu
ND
ND
ND
ND
0.008 ± 0
0.029 ± 0.005
ND
ND
ND
ND
ND
ND
ND
ND
Lys
0.037 ± 0
0.066 ± 0
0.072 ± 0.005
0.08 ± 0
0.091 ± 0.01
0.093 ± 0.004
0.074 ± 0
0.07 ± 0.002
0.101 ± 0
0.085 ± 0
0.089 ± 0
0.128 ± 0.004
0.116 ± 0.004
0.145 ± 0
Met
ND
ND
ND
ND
0.008 ± 0
ND
ND
ND
0.008 ± 0
0.009 ± 0
ND
ND
ND
ND
Phe
ND
ND
ND
ND
0.045 ± 0.007
0.065 ± 0
0.065 ± 0
0.026 ± 0
0.034 ± 0
0.026 ± 0
ND
0.03 ± 0
0.042 ± 0.004
0.056 ± 0
Thr
0.05 ± 0
0.04 ± 0.004
0.05 ± 0.005
0.05 ± 0
0.04 ± 0.007
0.06 ± 0.005
0.05 ± 0
0.03 ± 0
0.04 ± 0.003
0.03 ± 0
0.03 ± 0
0.05 ± 0
0.06 ± 0
0.08 ± 0
Val
0.037 ± 0
0.053 ± 0
0.066 ± 0
0.084 ± 0
0.091 ± 0.01
0.1 ± 0
0.1 ± 0
0.07 ± 0
0.076 ± 0
0.077 ± 0.004
0.089 ± 0
0.069 ± 0
0.095 ± 0
0.123 ± 0.004
Arg
0.182 ± 0
0.298 ± 0.009
0.329 ± 0.005
0.3 ± 0.002
0.249 ± 0
0.229 ± 0.008
0.212 ± 0.006
0.044 ± 0
0.076 ± 0
0.085 ± 0.004
0.118 ± 0.007
0.069 ± 0.004
0.095 ± 0
0.123 ± 0
Ala
0.213 ± 0
0.086 ± 0
0.046 ± 0
0.032 ± 0
0.023 ± 0.001
0.029 ± 0.005
0.025 ± 0
0.061 ± 0
0.042 ± 0
0.034 ± 0
0.03 ± 0
0.03 ± 0
0.053 ± 0
0.1 ± 0
Asp
0.86 ± 0.005
0.42 ± 0.005
0.39 ± 0.005
0.35 ± 0.004
0.32 ± 0.01
0.33 ± 0.005
0.39 ± 0.012
0.29 ± 0.006
0.25 ± 0.006
0.25 ± 0.006
0.3 ± 0.004
0.23 ± 0
0.39 ± 0
0.57 ± 0.004
Glu
1.182 ± 0.004
0.635 ± 0
0.691 ± 0.035
0.574 ± 0.004
0.551 ± 0
0.631 ± 0.005
0.678 ± 0.006
0.445 ± 0.007
0.549 ± 0
0.528 ± 0.011
0.562 ± 0.004
0.612 ± 0
0.852 ± 0.004
1.127 ± 0
Gly
0.056 ± 0.004
0.04 ± 0
0.033 ± 0
0.041 ± 0
0.045 ± 0.007
0.05 ± 0.005
0.057 ± 0
0.044 ± 0
0.042 ± 0.003
0.043 ± 0.006
0.059 ± 0
0.089 ± 0
0.126 ± 0
0.156 ± 0
Pro
ND
ND
0.013 ± 0
0.014 ± 0
0.015 ± 0
0.022 ± 0
ND
0.017 ± 0
0.025 ± 0
0.017 ± 0
0.02 ± 0
0.03 ± 0.004
0.021 ± 0
0.022 ± 0
Ser
0.2 ± 0.004
0.14 ± 0.009
0.13 ± 0
0.13 ± 0.004
0.128 ± 0
0.158 ± 0.006
0.147 ± 0.006
0.052 ± 0.002
0.059 ± 0.006
0.051 ± 0.006
0.059 ± 0
0.049 ± 0
0.084 ± 0.004
0.156 ± 0.004
Means in the same line, with different small letters, are significantly different; means in the same column, with different capital letters, are significantly different ( < 0.05).
