Research Article

Quality Evaluation of Thirteen Geographical Populations of Lycium chinense Using Quantitative Analysis of Nutrients and Bioactive Components

Table 1

Variation in amino acid contents of thirteen geographical populations of Lycium chinense.

Amino acid contents (g/kg (fw))
Amino acidsGLGZHNJJJLJZKMLTSSSYXJXSYC

Thr1.90 ± 0.12c2.00 ± 0.00bc2.00 ± 0.10bc2.20 ± 0.06ab2.10 ± 0.06abc2.10 ± 0.06abc1.90 ± 0.10c2.00 ± 0.06bc2.20 ± 0.10ab1.90 ± 0.00c2.10 ± 0.06abc2.30 ± 0.10a1.90 ± 0.06c
Val2.60 ± 0.06ab2.30 ± 0.06cd2.20 ± 0.10cde2.30 ± 0.06cd2.30 ± 0.00cd2.30 ± 0.06cd2.00 ± 0.00e2.40 ± 0.10bc2.30 ± 0.06cd2.20 ± 0.06cde2.10 ± 0.00de2.70 ± 0.12a2.20 ± 0.12cde
Ile1.90 ± 0.06bcd1.60 ± 0.10c1.90 ± 0.00bcd1.70 ± 0.06d2.10 ± 0.06ab2.10 ± 0.10ab1.80 ± 0.10cd2.00 ± 0.10abc2.20 ± 0.06a1.90 ± 0.06bcd1.93 ± 0.07bc2.10 ± 0.00ab2.00 ± 0.12abc
Phe1.90 ± 0.00ab1.60 ± 0.10c1.60 ± 0.10c1.70 ± 0.12bc1.70 ± 0.00bc1.70 ± 0.12bc1.80 ± 0.06bc1.80 ± 0.00bc1.70 ± 0.10bc1.70 ± 0.10bc1.70 ± 0.12bc2.10 ± 0.06a1.80 ± 0.00bc
Leu3.30 ± 0.00fg3.40 ± 0.06efg3.30 ± 0.06fg3.90 ± 0.12ab3.70 ± 0.10bcd3.60 ± 0.10cde3.20 ± 0.12g3.50 ± 0.10def3.80 ± 0.00abc3.30 ± 0.06fg3.60 ± 0.10cde4.00 ± 0.06a3.40 ± 0.10efg
Lys3.50 ± 0.12cde3.30 ± 0.06e3.30 ± 0.10e3.70 ± 0.10bc3.60 ± 0.06bcd3.60 ± 0.06bcd3.50 ± 0.00cde3.50 ± 0.00cde3.80 ± 0.10b3.50 ± 0.00cde3.60 ± 0.06bcd4.20 ± 0.06a3.60 ± 0.00bcd
Met0.70 ± 0.06a0.50 ± 0.00b0.50 ± 0.06b0.50 ± 0.06b0.50 ± 0.00b0.30 ± 0.00d0.30 ± 0.00d0.70 ± 0.00a0.50 ± 0.00b0.30 ± 0.00d0.40 ± 0.06c0.40 ± 0.06c0.30 ± 0.00d
Arg2.10 ± 0.00f2.30 ± 0.06de2.40 ± 0.10cd2.50 ± 0.00bc2.50 ± 0.00b2.30 ± 0.06de2.30 ± 0.10de2.30 ± 0.10de2.50 ± 0.06bc2.20 ± 0.00ef2.30 ± 0.00de2.70 ± 0.06a2.20 ± 0.00ef
Tyr2.30 ± 0.06a1.90 ± 0.06d1.70 ± 0.00e1.90 ± 0.00d1.90 ± 0.06d1.70 ± 0.06e1.60 ± 0.06e2.10 ± 0.10b2.10 ± 0.10b1.70 ± 0.00e2.20 ± 0.00ab2.10 ± 0.10bc2.00 ± 0.10cd
Asp3.60 ± 0.06h3.90 ± 0.23fg4.20 ± 0.10cde4.20 ± 0.12cde4.20 ± 0.06cde4.30 ± 0.15bcd4.40 ± 0.06bc3.80 ± 0.06gh4.50 ± 0.10ab3.80 ± 0.00gh4.10 ± 0.06def4.70 ± 0.06a4.00 ± 0.10efg
Glu4.40 ± 0.10e4.80 ± 0.06d5.10 ± 0.12bcd5.10 ± 0.15bcd5.20 ± 0.10bc5.20 ± 0.10bc6.10 ± 0.21a4.80 ± 0.12d5.30 ± 0.10b4.90 ± 0.12cd5.00 ± 0.12bcd5.80 ± 0.15a4.90 ± 0.06cd
Gly2.00 ± 0.12d2.10 ± 0.06cd2.00 ± 0.06d2.40 ± 0.06ab2.20 ± 0.06bcd2.20 ± 0.10bcd2.00 ± 0.00d2.20 ± 0.15bcd2.30 ± 0.10abc2.00 ± 0.06d2.10 ± 0.06cd2.50 ± 0.15a2.10 ± 0.10cd
Ala2.50 ± 0.06c3.00 ± 0.06ab2.90 ± 0.12b3.10 ± 0.06ab3.10 ± 0.00ab2.90 ± 0.06b2.20 ± 0.12d2.60 ± 0.10c3.10 ± 0.06ab2.40 ± 0.00cd2.60 ± 0.10c3.20 ± 0.10a3.00 ± 0.10ab
Ser1.80± 0.00cd1.80 ± 0.12cd1.90 ± 0.06bcd2.00 ± 0.06bc2.00 ± 0.06bc2.00 ± 0.10bc1.90 ± 0.10bcd1.90 ± 0.06bcd2.10 ± 0.10ab2.00 ± 0.00bc2.10 ± 0.10ab2.30 ± 0.06a2.00 ± 0.10bc
Pro1.90 ± 0.10e2.20 ± 0.15cd2.20 ± 0.12cd2.40 ± 0.12bc2.50 ± 0.15ab2.70 ± 0.10a2.20 ± 0.10cd2.40 ± 0.00bc2.40 ± 0.10bc2.10 ± 0.06de2.30 ± 0.06bcd2.50 ± 0.10b2.40 ± 0.00bc
His1.20 ± 0.00ab1.10 ± 0.12ab1.30 ± 0.06a1.20 ± 0.06ab1.20 ± 0.10ab1.00 ± 0.06b1.00 ± 0.06b1.30 ± 0.06a1.30 ± 0.10a1.00 ± 0.00b1.00 ± 0.10b1.30 ± 0.10a1.00 ± 0.10b
TAA37.60 ± 0.17hi38.10 ± 0.83fghi38.40 ± 0.55fgh41.20 ± 0.31bc40.80 ± 0.50cd39.70 ± 0.32de37.90 ± 0.66ghi39.30 ± 0.35ef42.10 ± 0.23b36.90 ± 0.35i39.13 ± 0.33efg44.90 ± 0.40a38.80 ± 0.25efgh
EAA18.10 ± 0.10bc16.90 ± 0.31gh16.40 ± 0.31hi18.30 ± 0.15bc17.90 ± 0.40bcd17.10 ± 0.21fgh15.80 ± 0.45i18.00 ± 0.15bc18.60 ± 0.15b16.50 ± 0.20ghi17.63 ± 0.12cdf19.90 ± 0.15a17.20 ± 0.29dfg

Note: the values are mean ± standard error (n = 3). fw, fresh weight; Thr, threonine; Val, valine; Ile, isoleucine; Phe, phenylalanine; Leu, leucine; Lys, lysine; Met, methionine; Arg, arginine; Tyr, tyrosine; Asp, aspartic acid; Glu, glutamic acid; Gly, glycine; Ala, alanine; Ser, serine; Pro, proline; His, histidine; TAA, total amino acids; EAA, essential amino acids. Lowercase letters identify groups of populations that differ significantly ().