. 2012 Oct 14;6:117. doi: 10.1186/1752-153X-6-117

Table 5.

Amino acid composition of the protein fraction from durian seed gum

Amino acid	Control sample	Purified gum A	Purified gum B	Purified gum C	Purified gum D
Asp	7.19 ± 0.13^a	6.19 ± 0.44^b	6.95 ± 0.26^ab	6.10 ± 0.58^b	6.50 ± 0.75^ab
Glu	7.09 ± 0.22^a	5.57 ± 0.25^b	6.54 ± 0.34^a	6.18 ± 0.35^ab	6.42 ± 0.34^a
Ser	4.67 ± 0.50^a	5.06 ± 0.32^a	4.53 ± 0.57^a	5.18 ± 0.12^a	4.39 ± 0.29^a
Gly	7.42 ± 0.29^a	6.22 ± 0.58^b	6.43 ± 0.20^b	7.36 ± 0.20^a	6.07 ± 0.15^b
His	1.13 ± 0.15^a	1.14 ± 0.19^a	0.88 ± 0.04^a	1.00 ± 0.09^a	0.81 ± 0.10^a
Arg	3.51 ± 0.25^a	3.40 ± 0.21^a	2.87 ± 0.12^ab	3.16 ± 0.16^a	2.38 ± 0.22^b
Thr	6.50 ± 0.19^a	5.41 ± 0.42^b	6.47 ± 0.45^a	4.99 ± 0.43^bc	3.44 ± 0.34^c
Ala	6.14 ± 0.36^a	5.68 ± 0.24^a	5.97 ± 0.23^a	6.08 ± 0.25^a	5.24 ± 0.43^a
Pro	4.35 ± 0.16^a	4.17 ± 0.75^a	3.87 ± 0.41^a	4.81 ± 0.42^a	4.06 ± 0.58^a
Tyr	2.19 ± 0.21^a	1.91 ± 0.09^a	1.63 ± 0.22^a	1.95 ± 0.19^a	1.84 ± 0.29^a
Val	5.15 ± 0.43^a	4.59 ± 0.43^a	4.50 ± 0.24^a	5.50 ± 0.46^a	4.90 ± 0.16^a
Met	0.59 ± 0.07^a	0.50 ± 0.03^a	0.52 ± 0.06^a	0.98 ± 0.10^b	0.69 ± 0.09^a
Ile	3.89 ± 0.18^a	3.63 ± 0.22^a	3.30 ± 0.29^a	4.07 ± 0.23^a	3.73 ± 0.22^a
Leu	37.1 ± 1.87^a	37.3 ± 1.67^a	30.9 ± 1.87^b	34.6 ± 1.87^ab	35.6 ± 1.15^a
Phe	3.11 ± 0.12^a	9.04 ± 0.87^b	6.93 ± 0.22^c	8.13 ± 0.38^b	7.62 ± 0.26^bc
Lys	8.36 ± 0.23^a	7.88 ± 0.46^a	7.65 ± 0.65^ab	7.32 ± 0.28^a	6.04 ± 0.25^b
Hpr	-	-	-	-	-

Aspartic acid (Asp), glutamic acid (Glu), serine (Ser), glycine (Gly), histidine (His), arginine (Arg), threonine (Thr), alanine (Ala), proline (Pro), tyrosine (Tyr), valine (Val), methionine (Met), isoleucine (Ile), leucine (Leu), phenylalanine (Phe), and lysine (Lys); A: isopropanol and ethanol; B: isopropanol and acetone; C: saturated barium hydroxide; D: Fehling solution; ^a-d significant at p < 0.05: Mean ± standard deviation.