浙江农业学报 ›› 2021, Vol. 33 ›› Issue (4): 640-650.DOI: 10.3969/j.issn.1004-1524.2021.04.09
张婷1(), 刘慧琴1, 郭勤卫1, 李朝森1, 章心惠1, 项小敏1, 赵东风1, 万红建2,*(
)
收稿日期:
2020-07-08
出版日期:
2021-04-25
发布日期:
2021-04-25
通讯作者:
万红建
作者简介:
*万红建,E-mail:wanhongjian@sina.com基金资助:
ZHANG Ting1(), LIU Huiqin1, GUO Qinwei1, LI Chaosen1, ZHANG Xinhui1, XIANG Xiaomin1, ZHAO Dongfeng1, WAN Hongjian2,*(
)
Received:
2020-07-08
Online:
2021-04-25
Published:
2021-04-25
Contact:
WAN Hongjian
摘要:
为了研究不同辣椒材料中游离氨基酸综合品质的差异,以16份辣椒材料为研究对象,采用液相色谱法测定游离氨基酸种类和含量,利用主成分分析法与聚类分析法进行综合评价。结果表明:辣椒中游离氨基酸含量丰富,含有16~17种氨基酸,总量范围是10.57~25.68 mg·g-1。种类差异不明显,但是不同辣椒材料之间游离氨基酸含量均存在较大差异,其中,D1的总游离氨基酸、必需氨基酸、限制氨基酸的含量均最高,D4中呈味氨基酸含量最高。通过主成分分析提取到3个主成分(F1、F2、F3),其累计方差贡献率为83.501%,并建立综合评价模型:F=0.775F1+0.126F2+0.0969F3。经综合评价,得分前3位的分别是D4、D1和D2。采用聚类分析方法可将16份辣椒材料分为3类,与主成分分析的结果大体一致,可较好地反映辣椒不同种质间的差异性。
中图分类号:
张婷, 刘慧琴, 郭勤卫, 李朝森, 章心惠, 项小敏, 赵东风, 万红建. 十六份辣椒材料游离氨基酸组成的主成分分析与聚类分析[J]. 浙江农业学报, 2021, 33(4): 640-650.
ZHANG Ting, LIU Huiqin, GUO Qinwei, LI Chaosen, ZHANG Xinhui, XIANG Xiaomin, ZHAO Dongfeng, WAN Hongjian. Principal component analysis and cluster analysis for evaluating free amino acids of 16 pepper materials[J]. Acta Agriculturae Zhejiangensis, 2021, 33(4): 640-650.
材料编号 Material No. | 果形 Fruit form | 果色 Fruit color | 来源 Origin |
---|---|---|---|
D1 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
D2 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
D3 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D4 | 羊角椒Horn pepper | 深绿色Dark green | 地方品种Landrace |
D5 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D6 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D7 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
L1 | 羊角椒Horn pepper | 淡绿色Light green | 高代自交系Inbred line |
L2 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L3 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L4 | 羊角椒Horn pepper | 深绿色Dark green | 高代自交系Inbred line |
L5 | 泡椒Pickled pepper | 绿色Green | 高代自交系Inbred line |
L6 | 线椒Thin cayenne peper | 绿色Green | 高代自交系Inbred line |
L7 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L8 | 螺丝椒Screw pepper | 绿色Green | 高代自交系Inbred line |
L9 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
表1 十六份辣椒材料特性
Table 1 Characteristic of 16 materials of pepper
材料编号 Material No. | 果形 Fruit form | 果色 Fruit color | 来源 Origin |
---|---|---|---|
D1 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
D2 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
D3 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D4 | 羊角椒Horn pepper | 深绿色Dark green | 地方品种Landrace |
D5 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D6 | 羊角椒Horn pepper | 绿色Green | 地方品种Landrace |
D7 | 羊角椒Horn pepper | 黄白Yellow-white | 地方品种Landrace |
L1 | 羊角椒Horn pepper | 淡绿色Light green | 高代自交系Inbred line |
L2 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L3 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L4 | 羊角椒Horn pepper | 深绿色Dark green | 高代自交系Inbred line |
L5 | 泡椒Pickled pepper | 绿色Green | 高代自交系Inbred line |
L6 | 线椒Thin cayenne peper | 绿色Green | 高代自交系Inbred line |
L7 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
L8 | 螺丝椒Screw pepper | 绿色Green | 高代自交系Inbred line |
L9 | 羊角椒Horn pepper | 绿色Green | 高代自交系Inbred line |
编号 No. | 指标 Index | 天冬 氨酸 Asp | 苏安 酸 Thr | 丝氨 酸 Ser | 谷氨 酸 Glu | 甘氨 酸 Gly | 丙氨 酸 Ala | 半胱 氨酸 Cys | 颉氨 酸 Val | 甲硫 氨酸 Met | 异亮 氨酸 Ile | 亮氨 酸 Leu | 络氨 酸 Tyr | 苯丙 氨酸 Phe | 赖氨 酸 Lys | 组氨 酸 His | 精氨 酸 Arg | 脯氨 酸 Pro | 游离氨 基酸 Total free Amino acids (TFAA) | 呈味氨 基酸 Taste-active amino acids (DAA) | 必需氨 基酸 Essential amino acids (EAA) | 限制氨 基酸 Limiting amino acids (LAA) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
L1 | 含量 | 1.20 | 6.86 | 0.39 | 0.81 | 0.05 | 0.16 | 0.02 | 0.29 | 0.03 | 0.07 | 0.05 | 0.09 | 0.21 | 0.12 | 0.12 | 0.05 | 0.03 | 10.57 | 2.61 | 7.64 | 0.15 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.40 | 64.88 | 3.69 | 7.62 | 0.46 | 1.54 | 0.22 | 2.78 | 0.27 | 0.70 | 0.52 | 0.83 | 2.02 | 1.17 | 1.15 | 0.46 | 0.29 | — | 24.71 | 72.33 | 1.44 | |
Proportion/% | ||||||||||||||||||||||
L3 | 含量 | 1.10 | 7.68 | 0.33 | 0.86 | 0.05 | 0.20 | 0.03 | 0.25 | 0.03 | 0.07 | 0.06 | 0.06 | 0.14 | 0.19 | 0.09 | 0.05 | 0.02 | 11.24 | 2.55 | 8.43 | 0.22 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 9.81 | 68.31 | 2.95 | 7.67 | 0.48 | 1.80 | 0.24 | 2.24 | 0.29 | 0.66 | 0.55 | 0.54 | 1.26 | 1.70 | 0.84 | 0.48 | 0.19 | — | 22.70 | 75.01 | 1.99 | |
Proportion/% | ||||||||||||||||||||||
L8 | 含量 | 1.47 | 6.22 | 0.51 | 0.75 | 0.06 | 0.33 | 0.05 | 0.43 | 0.03 | 0.19 | 0.18 | 0.10 | 0.24 | 0.30 | 0.15 | 0.12 | 0.02 | 11.15 | 3.11 | 7.61 | 0.34 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 13.19 | 55.78 | 4.54 | 6.70 | 0.52 | 2.92 | 0.43 | 3.89 | 0.31 | 1.70 | 1.65 | 0.85 | 2.19 | 2.71 | 1.31 | 1.11 | 0.19 | — | 27.87 | 68.23 | 3.02 | |
Proportion/% | ||||||||||||||||||||||
D3 | 含量 | 0.81 | 8.81 | 0.33 | 1.14 | 0.03 | 0.14 | 0.03 | 0.24 | 0.02 | 0.07 | 0.06 | 0.06 | 0.13 | 0.20 | 0.18 | 0.05 | — | 12.31 | 2.45 | 9.54 | 0.22 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 6.54 | 71.56 | 2.72 | 9.27 | 0.27 | 1.10 | 0.25 | 1.98 | 0.20 | 0.57 | 0.48 | 0.49 | 1.09 | 1.62 | 1.47 | 0.39 | — | — | 19.90 | 77.50 | 1.82 | |
Proportion/% | ||||||||||||||||||||||
D7 | 含量 | 1.41 | 7.47 | 0.72 | 1.18 | 0.11 | 0.22 | 0.02 | 0.41 | 0.04 | 0.11 | 0.09 | 0.05 | 0.18 | 0.41 | 0.15 | 0.08 | 0.01 | 12.67 | 3.64 | 8.71 | 0.45 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.14 | 58.97 | 5.68 | 9.34 | 0.86 | 1.75 | 0.19 | 3.24 | 0.32 | 0.89 | 0.70 | 0.42 | 1.43 | 3.20 | 1.17 | 0.66 | — | — | 28.76 | 68.76 | 3.52 | |
Proportion/% | ||||||||||||||||||||||
D5 | 含量 | 1.48 | 7.52 | 0.85 | 1.36 | 0.08 | 0.35 | 0.03 | 0.33 | 0.02 | 0.09 | 0.05 | 0.05 | 0.16 | 0.16 | 0.10 | 0.07 | 0.01 | 12.70 | 4.12 | 8.32 | 0.18 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.63 | 59.20 | 6.71 | 10.71 | 0.66 | 2.74 | 0.25 | 2.56 | 0.18 | 0.69 | 0.39 | 0.40 | 1.22 | 1.22 | 0.80 | 0.52 | 0.11 | — | 32.45 | 65.47 | 1.40 | |
Proportion/% | ||||||||||||||||||||||
L4 | 含量 | 0.96 | 8.65 | 0.71 | 0.92 | 0.06 | 0.26 | 0.03 | 0.32 | 0.03 | 0.11 | 0.06 | 0.08 | 0.18 | 0.18 | 0.15 | 0.19 | 0.05 | 12.94 | 2.92 | 9.52 | 0.21 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.39 | 66.80 | 5.52 | 7.14 | 0.50 | 2.03 | 0.26 | 2.43 | 0.25 | 0.81 | 0.48 | 0.60 | 1.39 | 1.41 | 1.17 | 1.45 | 0.37 | — | 22.57 | 73.58 | 1.66 | |
Proportion/% | ||||||||||||||||||||||
L9 | 含量 | 1.05 | 9.38 | 0.40 | 0.94 | 0.08 | 0.32 | 0.04 | 0.36 | 0.04 | 0.10 | 0.07 | 0.06 | 0.15 | 0.18 | 0.11 | 0.06 | 0.01 | 13.35 | 2.79 | 10.27 | 0.23 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
编号 No. | 指标 Index | 天冬 氨酸 Asp | 苏安 酸 Thr | 丝氨 酸 Ser | 谷氨 酸 Glu | 甘氨 酸 Gly | 丙氨 酸 Ala | 半胱 氨酸 Cys | 颉氨 酸 Val | 甲硫 氨酸 Met | 异亮 氨酸 Ile | 亮氨 酸 Leu | 络氨 酸 Tyr | 苯丙 氨酸 Phe | 赖氨 酸 Lys | 组氨 酸 His | 精氨 酸 Arg | 脯氨 酸 Pro | 游离氨 基酸 Total free Amino acids (TFAA) | 呈味氨 基酸 Taste-active amino acids (DAA) | 必需氨 基酸 Essential amino acids (EAA) | 限制氨 基酸 Limiting amino acids (LAA) |
百分比 | 7.90 | 70.30 | 3.00 | 7.03 | 0.64 | 2.36 | 0.29 | 2.67 | 0.30 | 0.74 | 0.49 | 0.45 | 1.09 | 1.39 | 0.84 | 0.42 | 0.10 | — | 20.92 | 76.98 | 1.69 | |
Proportion/% | ||||||||||||||||||||||
L2 | 含量 | 1.22 | 9.66 | 0.59 | 1.19 | 0.10 | 0.29 | 0.03 | 0.30 | 0.03 | 0.07 | 0.05 | 0.08 | 0.18 | 0.15 | 0.13 | 0.05 | 0.01 | 14.14 | 3.39 | 10.45 | 0.19 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 8.64 | 68.29 | 4.18 | 8.42 | 0.69 | 2.08 | 0.20 | 2.11 | 0.25 | 0.50 | 0.37 | 0.58 | 1.26 | 1.09 | 0.92 | 0.34 | 0.10 | — | 24.00 | 73.87 | 1.33 | |
Proportion/% | ||||||||||||||||||||||
L6 | 含量 | 1.26 | 10.15 | 0.35 | 1.46 | 0.05 | 0.13 | 0.03 | 0.23 | 0.02 | 0.09 | 0.07 | 0.08 | 0.15 | 0.19 | 0.12 | 0.11 | 0.01 | 14.50 | 3.25 | 10.90 | 0.21 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 8.69 | 70.00 | 2.43 | 10.07 | 0.32 | 0.93 | 0.18 | 1.61 | 0.15 | 0.64 | 0.47 | 0.55 | 1.00 | 1.32 | 0.82 | 0.78 | 0.04 | — | 22.43 | 75.20 | 1.48 | |
Proportion/% | ||||||||||||||||||||||
D6 | 含量 | 2.02 | 9.12 | 0.88 | 1.11 | 0.05 | 0.41 | 0.03 | 0.33 | 0.02 | 0.11 | 0.08 | 0.06 | 0.17 | 0.26 | 0.13 | 0.15 | 0.02 | 14.96 | 4.47 | 10.10 | 0.28 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 13.53 | 60.96 | 5.88 | 7.44 | 0.33 | 2.73 | 0.18 | 2.23 | 0.14 | 0.74 | 0.54 | 0.40 | 1.14 | 1.75 | 0.90 | 0.98 | 0.15 | — | 29.91 | 67.49 | 1.89 | |
Proportion/% | ||||||||||||||||||||||
L5 | 含量 | 2.20 | 11.07 | 0.71 | 1.24 | 0.08 | 0.33 | 0.04 | 0.45 | 0.03 | 0.16 | 0.11 | 0.06 | 0.16 | 0.25 | 0.17 | 0.32 | 0.03 | 17.40 | 4.55 | 12.23 | 0.28 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 12.62 | 63.60 | 4.10 | 7.11 | 0.44 | 1.89 | 0.25 | 2.59 | 0.17 | 0.93 | 0.66 | 0.33 | 0.89 | 1.41 | 1.00 | 1.86 | 0.15 | — | 26.16 | 70.25 | 1.58 | |
Proportion/% | ||||||||||||||||||||||
L7 | 含量 | 1.42 | 12.89 | 0.73 | 1.45 | 0.13 | 0.59 | 0.05 | 0.41 | 0.03 | 0.11 | 0.10 | 0.07 | 0.24 | 0.29 | 0.15 | 0.15 | 0.05 | 18.87 | 4.32 | 14.08 | 0.32 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.50 | 68.34 | 3.89 | 7.71 | 0.66 | 3.12 | 0.25 | 2.17 | 0.16 | 0.61 | 0.51 | 0.38 | 1.29 | 1.55 | 0.81 | 0.78 | 0.25 | — | 22.89 | 74.63 | 1.71 | |
Proportion/% | ||||||||||||||||||||||
D4 | 含量 | 2.23 | 13.62 | 1.59 | 2.09 | 0.22 | 0.67 | 0.08 | 0.67 | 0.03 | 0.27 | 0.19 | 0.08 | 0.22 | 0.57 | 0.29 | 0.41 | 0.03 | 23.26 | 6.80 | 15.58 | 0.60 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 9.59 | 58.58 | 6.82 | 8.99 | 0.94 | 2.87 | 0.33 | 2.89 | 0.14 | 1.17 | 0.80 | 0.36 | 0.95 | 2.46 | 1.23 | 1.78 | 0.11 | — | 29.22 | 66.98 | 2.60 | |
Proportion/% | ||||||||||||||||||||||
D2 | 含量 | 1.88 | 17.29 | 0.98 | 1.85 | 0.15 | 0.32 | 0.04 | 0.64 | 0.07 | 0.15 | 0.14 | 0.08 | 0.18 | 0.35 | 0.23 | 0.16 | 0.02 | 24.54 | 5.19 | 18.82 | 0.42 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.67 | 70.46 | 4.01 | 7.55 | 0.61 | 1.32 | 0.17 | 2.62 | 0.29 | 0.61 | 0.55 | 0.31 | 0.72 | 1.42 | 0.94 | 0.67 | 0.09 | — | 21.15 | 76.67 | 1.71 | |
Proportion/% | ||||||||||||||||||||||
D1 | 含量 | 1.94 | 16.97 | 1.11 | 2.04 | 0.22 | 0.32 | 0.07 | 0.78 | 0.07 | 0.31 | 0.20 | 0.12 | 0.34 | 0.57 | 0.27 | 0.32 | 0.01 | 25.68 | 5.63 | 19.24 | 0.64 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.55 | 66.09 | 4.34 | 7.95 | 0.87 | 1.23 | 0.26 | 3.04 | 0.26 | 1.22 | 0.79 | 0.48 | 1.32 | 2.22 | 1.06 | 1.26 | 0.04 | — | 21.95 | 74.95 | 2.48 | |
Proportion/% |
表2 不同辣椒材料游离氨基酸的组成
Table 2 Free amino acids composition of different materials of peppers
编号 No. | 指标 Index | 天冬 氨酸 Asp | 苏安 酸 Thr | 丝氨 酸 Ser | 谷氨 酸 Glu | 甘氨 酸 Gly | 丙氨 酸 Ala | 半胱 氨酸 Cys | 颉氨 酸 Val | 甲硫 氨酸 Met | 异亮 氨酸 Ile | 亮氨 酸 Leu | 络氨 酸 Tyr | 苯丙 氨酸 Phe | 赖氨 酸 Lys | 组氨 酸 His | 精氨 酸 Arg | 脯氨 酸 Pro | 游离氨 基酸 Total free Amino acids (TFAA) | 呈味氨 基酸 Taste-active amino acids (DAA) | 必需氨 基酸 Essential amino acids (EAA) | 限制氨 基酸 Limiting amino acids (LAA) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
L1 | 含量 | 1.20 | 6.86 | 0.39 | 0.81 | 0.05 | 0.16 | 0.02 | 0.29 | 0.03 | 0.07 | 0.05 | 0.09 | 0.21 | 0.12 | 0.12 | 0.05 | 0.03 | 10.57 | 2.61 | 7.64 | 0.15 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.40 | 64.88 | 3.69 | 7.62 | 0.46 | 1.54 | 0.22 | 2.78 | 0.27 | 0.70 | 0.52 | 0.83 | 2.02 | 1.17 | 1.15 | 0.46 | 0.29 | — | 24.71 | 72.33 | 1.44 | |
Proportion/% | ||||||||||||||||||||||
L3 | 含量 | 1.10 | 7.68 | 0.33 | 0.86 | 0.05 | 0.20 | 0.03 | 0.25 | 0.03 | 0.07 | 0.06 | 0.06 | 0.14 | 0.19 | 0.09 | 0.05 | 0.02 | 11.24 | 2.55 | 8.43 | 0.22 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 9.81 | 68.31 | 2.95 | 7.67 | 0.48 | 1.80 | 0.24 | 2.24 | 0.29 | 0.66 | 0.55 | 0.54 | 1.26 | 1.70 | 0.84 | 0.48 | 0.19 | — | 22.70 | 75.01 | 1.99 | |
Proportion/% | ||||||||||||||||||||||
L8 | 含量 | 1.47 | 6.22 | 0.51 | 0.75 | 0.06 | 0.33 | 0.05 | 0.43 | 0.03 | 0.19 | 0.18 | 0.10 | 0.24 | 0.30 | 0.15 | 0.12 | 0.02 | 11.15 | 3.11 | 7.61 | 0.34 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 13.19 | 55.78 | 4.54 | 6.70 | 0.52 | 2.92 | 0.43 | 3.89 | 0.31 | 1.70 | 1.65 | 0.85 | 2.19 | 2.71 | 1.31 | 1.11 | 0.19 | — | 27.87 | 68.23 | 3.02 | |
Proportion/% | ||||||||||||||||||||||
D3 | 含量 | 0.81 | 8.81 | 0.33 | 1.14 | 0.03 | 0.14 | 0.03 | 0.24 | 0.02 | 0.07 | 0.06 | 0.06 | 0.13 | 0.20 | 0.18 | 0.05 | — | 12.31 | 2.45 | 9.54 | 0.22 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 6.54 | 71.56 | 2.72 | 9.27 | 0.27 | 1.10 | 0.25 | 1.98 | 0.20 | 0.57 | 0.48 | 0.49 | 1.09 | 1.62 | 1.47 | 0.39 | — | — | 19.90 | 77.50 | 1.82 | |
Proportion/% | ||||||||||||||||||||||
D7 | 含量 | 1.41 | 7.47 | 0.72 | 1.18 | 0.11 | 0.22 | 0.02 | 0.41 | 0.04 | 0.11 | 0.09 | 0.05 | 0.18 | 0.41 | 0.15 | 0.08 | 0.01 | 12.67 | 3.64 | 8.71 | 0.45 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.14 | 58.97 | 5.68 | 9.34 | 0.86 | 1.75 | 0.19 | 3.24 | 0.32 | 0.89 | 0.70 | 0.42 | 1.43 | 3.20 | 1.17 | 0.66 | — | — | 28.76 | 68.76 | 3.52 | |
Proportion/% | ||||||||||||||||||||||
D5 | 含量 | 1.48 | 7.52 | 0.85 | 1.36 | 0.08 | 0.35 | 0.03 | 0.33 | 0.02 | 0.09 | 0.05 | 0.05 | 0.16 | 0.16 | 0.10 | 0.07 | 0.01 | 12.70 | 4.12 | 8.32 | 0.18 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 11.63 | 59.20 | 6.71 | 10.71 | 0.66 | 2.74 | 0.25 | 2.56 | 0.18 | 0.69 | 0.39 | 0.40 | 1.22 | 1.22 | 0.80 | 0.52 | 0.11 | — | 32.45 | 65.47 | 1.40 | |
Proportion/% | ||||||||||||||||||||||
L4 | 含量 | 0.96 | 8.65 | 0.71 | 0.92 | 0.06 | 0.26 | 0.03 | 0.32 | 0.03 | 0.11 | 0.06 | 0.08 | 0.18 | 0.18 | 0.15 | 0.19 | 0.05 | 12.94 | 2.92 | 9.52 | 0.21 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.39 | 66.80 | 5.52 | 7.14 | 0.50 | 2.03 | 0.26 | 2.43 | 0.25 | 0.81 | 0.48 | 0.60 | 1.39 | 1.41 | 1.17 | 1.45 | 0.37 | — | 22.57 | 73.58 | 1.66 | |
Proportion/% | ||||||||||||||||||||||
L9 | 含量 | 1.05 | 9.38 | 0.40 | 0.94 | 0.08 | 0.32 | 0.04 | 0.36 | 0.04 | 0.10 | 0.07 | 0.06 | 0.15 | 0.18 | 0.11 | 0.06 | 0.01 | 13.35 | 2.79 | 10.27 | 0.23 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
编号 No. | 指标 Index | 天冬 氨酸 Asp | 苏安 酸 Thr | 丝氨 酸 Ser | 谷氨 酸 Glu | 甘氨 酸 Gly | 丙氨 酸 Ala | 半胱 氨酸 Cys | 颉氨 酸 Val | 甲硫 氨酸 Met | 异亮 氨酸 Ile | 亮氨 酸 Leu | 络氨 酸 Tyr | 苯丙 氨酸 Phe | 赖氨 酸 Lys | 组氨 酸 His | 精氨 酸 Arg | 脯氨 酸 Pro | 游离氨 基酸 Total free Amino acids (TFAA) | 呈味氨 基酸 Taste-active amino acids (DAA) | 必需氨 基酸 Essential amino acids (EAA) | 限制氨 基酸 Limiting amino acids (LAA) |
百分比 | 7.90 | 70.30 | 3.00 | 7.03 | 0.64 | 2.36 | 0.29 | 2.67 | 0.30 | 0.74 | 0.49 | 0.45 | 1.09 | 1.39 | 0.84 | 0.42 | 0.10 | — | 20.92 | 76.98 | 1.69 | |
Proportion/% | ||||||||||||||||||||||
L2 | 含量 | 1.22 | 9.66 | 0.59 | 1.19 | 0.10 | 0.29 | 0.03 | 0.30 | 0.03 | 0.07 | 0.05 | 0.08 | 0.18 | 0.15 | 0.13 | 0.05 | 0.01 | 14.14 | 3.39 | 10.45 | 0.19 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 8.64 | 68.29 | 4.18 | 8.42 | 0.69 | 2.08 | 0.20 | 2.11 | 0.25 | 0.50 | 0.37 | 0.58 | 1.26 | 1.09 | 0.92 | 0.34 | 0.10 | — | 24.00 | 73.87 | 1.33 | |
Proportion/% | ||||||||||||||||||||||
L6 | 含量 | 1.26 | 10.15 | 0.35 | 1.46 | 0.05 | 0.13 | 0.03 | 0.23 | 0.02 | 0.09 | 0.07 | 0.08 | 0.15 | 0.19 | 0.12 | 0.11 | 0.01 | 14.50 | 3.25 | 10.90 | 0.21 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 8.69 | 70.00 | 2.43 | 10.07 | 0.32 | 0.93 | 0.18 | 1.61 | 0.15 | 0.64 | 0.47 | 0.55 | 1.00 | 1.32 | 0.82 | 0.78 | 0.04 | — | 22.43 | 75.20 | 1.48 | |
Proportion/% | ||||||||||||||||||||||
D6 | 含量 | 2.02 | 9.12 | 0.88 | 1.11 | 0.05 | 0.41 | 0.03 | 0.33 | 0.02 | 0.11 | 0.08 | 0.06 | 0.17 | 0.26 | 0.13 | 0.15 | 0.02 | 14.96 | 4.47 | 10.10 | 0.28 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 13.53 | 60.96 | 5.88 | 7.44 | 0.33 | 2.73 | 0.18 | 2.23 | 0.14 | 0.74 | 0.54 | 0.40 | 1.14 | 1.75 | 0.90 | 0.98 | 0.15 | — | 29.91 | 67.49 | 1.89 | |
Proportion/% | ||||||||||||||||||||||
L5 | 含量 | 2.20 | 11.07 | 0.71 | 1.24 | 0.08 | 0.33 | 0.04 | 0.45 | 0.03 | 0.16 | 0.11 | 0.06 | 0.16 | 0.25 | 0.17 | 0.32 | 0.03 | 17.40 | 4.55 | 12.23 | 0.28 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 12.62 | 63.60 | 4.10 | 7.11 | 0.44 | 1.89 | 0.25 | 2.59 | 0.17 | 0.93 | 0.66 | 0.33 | 0.89 | 1.41 | 1.00 | 1.86 | 0.15 | — | 26.16 | 70.25 | 1.58 | |
Proportion/% | ||||||||||||||||||||||
L7 | 含量 | 1.42 | 12.89 | 0.73 | 1.45 | 0.13 | 0.59 | 0.05 | 0.41 | 0.03 | 0.11 | 0.10 | 0.07 | 0.24 | 0.29 | 0.15 | 0.15 | 0.05 | 18.87 | 4.32 | 14.08 | 0.32 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.50 | 68.34 | 3.89 | 7.71 | 0.66 | 3.12 | 0.25 | 2.17 | 0.16 | 0.61 | 0.51 | 0.38 | 1.29 | 1.55 | 0.81 | 0.78 | 0.25 | — | 22.89 | 74.63 | 1.71 | |
Proportion/% | ||||||||||||||||||||||
D4 | 含量 | 2.23 | 13.62 | 1.59 | 2.09 | 0.22 | 0.67 | 0.08 | 0.67 | 0.03 | 0.27 | 0.19 | 0.08 | 0.22 | 0.57 | 0.29 | 0.41 | 0.03 | 23.26 | 6.80 | 15.58 | 0.60 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 9.59 | 58.58 | 6.82 | 8.99 | 0.94 | 2.87 | 0.33 | 2.89 | 0.14 | 1.17 | 0.80 | 0.36 | 0.95 | 2.46 | 1.23 | 1.78 | 0.11 | — | 29.22 | 66.98 | 2.60 | |
Proportion/% | ||||||||||||||||||||||
D2 | 含量 | 1.88 | 17.29 | 0.98 | 1.85 | 0.15 | 0.32 | 0.04 | 0.64 | 0.07 | 0.15 | 0.14 | 0.08 | 0.18 | 0.35 | 0.23 | 0.16 | 0.02 | 24.54 | 5.19 | 18.82 | 0.42 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.67 | 70.46 | 4.01 | 7.55 | 0.61 | 1.32 | 0.17 | 2.62 | 0.29 | 0.61 | 0.55 | 0.31 | 0.72 | 1.42 | 0.94 | 0.67 | 0.09 | — | 21.15 | 76.67 | 1.71 | |
Proportion/% | ||||||||||||||||||||||
D1 | 含量 | 1.94 | 16.97 | 1.11 | 2.04 | 0.22 | 0.32 | 0.07 | 0.78 | 0.07 | 0.31 | 0.20 | 0.12 | 0.34 | 0.57 | 0.27 | 0.32 | 0.01 | 25.68 | 5.63 | 19.24 | 0.64 |
Content/ (mg·kg-1) | ||||||||||||||||||||||
百分比 | 7.55 | 66.09 | 4.34 | 7.95 | 0.87 | 1.23 | 0.26 | 3.04 | 0.26 | 1.22 | 0.79 | 0.48 | 1.32 | 2.22 | 1.06 | 1.26 | 0.04 | — | 21.95 | 74.95 | 2.48 | |
Proportion/% |
材料编号 Material No. | 鲜味氨基酸 Delicious amino acids | 甜味氨基酸 Sweet amino acids | 芳香族氨基酸 Aromatic amino acids | 苦味氨基酸 Bitter amino acids |
---|---|---|---|---|
L1 | 2.13 | 7.61 | 0.33 | 0.50 |
L3 | 2.16 | 8.38 | 0.23 | 0.47 |
L8 | 2.52 | 7.28 | 0.39 | 0.97 |
D3 | 2.15 | 9.49 | 0.22 | 0.45 |
D7 | 3.00 | 8.67 | 0.26 | 0.74 |
D5 | 2.99 | 8.92 | 0.24 | 0.55 |
L4 | 2.06 | 9.89 | 0.29 | 0.70 |
L9 | 2.18 | 10.31 | 0.25 | 0.62 |
L2 | 2.57 | 10.78 | 0.29 | 0.50 |
L6 | 2.91 | 10.81 | 0.25 | 0.53 |
D6 | 3.40 | 10.61 | 0.26 | 0.69 |
L5 | 3.68 | 12.39 | 0.26 | 1.08 |
L7 | 3.16 | 14.54 | 0.36 | 0.80 |
D4 | 4.89 | 16.41 | 0.38 | 1.58 |
D2 | 4.08 | 19.00 | 0.29 | 1.17 |
D1 | 4.55 | 18.91 | 0.53 | 1.69 |
表3 不同辣椒材料呈味氨基酸含量
Table 3 Contents of taste-active amino acids in different materials of pepper mg·g-1
材料编号 Material No. | 鲜味氨基酸 Delicious amino acids | 甜味氨基酸 Sweet amino acids | 芳香族氨基酸 Aromatic amino acids | 苦味氨基酸 Bitter amino acids |
---|---|---|---|---|
L1 | 2.13 | 7.61 | 0.33 | 0.50 |
L3 | 2.16 | 8.38 | 0.23 | 0.47 |
L8 | 2.52 | 7.28 | 0.39 | 0.97 |
D3 | 2.15 | 9.49 | 0.22 | 0.45 |
D7 | 3.00 | 8.67 | 0.26 | 0.74 |
D5 | 2.99 | 8.92 | 0.24 | 0.55 |
L4 | 2.06 | 9.89 | 0.29 | 0.70 |
L9 | 2.18 | 10.31 | 0.25 | 0.62 |
L2 | 2.57 | 10.78 | 0.29 | 0.50 |
L6 | 2.91 | 10.81 | 0.25 | 0.53 |
D6 | 3.40 | 10.61 | 0.26 | 0.69 |
L5 | 3.68 | 12.39 | 0.26 | 1.08 |
L7 | 3.16 | 14.54 | 0.36 | 0.80 |
D4 | 4.89 | 16.41 | 0.38 | 1.58 |
D2 | 4.08 | 19.00 | 0.29 | 1.17 |
D1 | 4.55 | 18.91 | 0.53 | 1.69 |
氨基酸 | Asp | Thr | Ser | Glu | Gly | Ala | Cys | Val | Met | Ile | Leu | Tyr | Phe | Lys | His | Arg |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
amino acids | ||||||||||||||||
Thr | 0.564* | |||||||||||||||
Ser | 0.779** | 0.634** | ||||||||||||||
Glu | 0.629** | 0.873** | 0.791** | |||||||||||||
Gly | 0.601** | 0.795** | 0.840** | 0.859** | ||||||||||||
Ala | 0.606** | 0.43* | 0.755** | 0.502* | 0.619* | |||||||||||
Cys | 0.592* | 0.651** | 0.745** | 0.687** | 0.826** | 0.699** | ||||||||||
Val | 0.727** | 0.802** | 0.805** | 0.778** | 0.912** | 0.533* | 0.842** | |||||||||
Met | 0.291 | 0.722** | 0.364 | 0.507* | 0.658** | 0.046 | 0.423 | 0.761** | ||||||||
Ile | 0.704** | 0.637** | 0.748** | 0.684** | 0.820** | 0.509* | 0.912** | 0.914** | 0.542* | |||||||
Leu | 0.670** | 0.576* | 0.644** | 0.579* | 0.722** | 0.488 | 0.859** | 0.879** | 0.560** | 0.947** | ||||||
Tyr | 0.179 | 0.436 | 0.261 | 0.357 | 0.499* | 0.078 | 0.547* | 0.549* | 0.498* | 0.647** | 0.639** | |||||
Phe | 0.375 | 0.461 | 0.473 | 0.426 | 0.666** | 0.379 | 0.663** | 0.703** | 0.501* | 0.756** | .739** | 0.834** | ||||
Lys | 0.656** | 0.647** | 0.790** | 0.752** | 0.869** | 0.531* | 0.801** | 0.887** | 0.557** | 0.897** | 0.862** | 0.464 | 0.665** | |||
His | 0.613* | 0.790** | 0.780** | 0.810** | 0.829** | 0.459 | 0.826** | 0.885** | 0.595* | 0.850** | 0.797** | 0.526* | 0.574* | 0.860** | ||
Arg | 0.785** | 0.634** | 0.795** | 0.679** | 0.708** | 0.598* | 0.833** | 0.772** | 0.297 | 0.856** | 0.750** | 0.389 | 0.489 | 0.752** | 0.811** | |
Pro | 0.102 | 0.078 | 0.19 | -0.113 | 0.05 | 0.469 | 0.173 | 0.061 | -0.079 | 0.027 | 0.042 | 0.088 | 0.223 | -0.068 | 0.008 | 0.265 |
表4 游离氨基酸指标间相关性分析
Table 4 Correlation analysis of free amino acids in different cultivars of peppers
氨基酸 | Asp | Thr | Ser | Glu | Gly | Ala | Cys | Val | Met | Ile | Leu | Tyr | Phe | Lys | His | Arg |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
amino acids | ||||||||||||||||
Thr | 0.564* | |||||||||||||||
Ser | 0.779** | 0.634** | ||||||||||||||
Glu | 0.629** | 0.873** | 0.791** | |||||||||||||
Gly | 0.601** | 0.795** | 0.840** | 0.859** | ||||||||||||
Ala | 0.606** | 0.43* | 0.755** | 0.502* | 0.619* | |||||||||||
Cys | 0.592* | 0.651** | 0.745** | 0.687** | 0.826** | 0.699** | ||||||||||
Val | 0.727** | 0.802** | 0.805** | 0.778** | 0.912** | 0.533* | 0.842** | |||||||||
Met | 0.291 | 0.722** | 0.364 | 0.507* | 0.658** | 0.046 | 0.423 | 0.761** | ||||||||
Ile | 0.704** | 0.637** | 0.748** | 0.684** | 0.820** | 0.509* | 0.912** | 0.914** | 0.542* | |||||||
Leu | 0.670** | 0.576* | 0.644** | 0.579* | 0.722** | 0.488 | 0.859** | 0.879** | 0.560** | 0.947** | ||||||
Tyr | 0.179 | 0.436 | 0.261 | 0.357 | 0.499* | 0.078 | 0.547* | 0.549* | 0.498* | 0.647** | 0.639** | |||||
Phe | 0.375 | 0.461 | 0.473 | 0.426 | 0.666** | 0.379 | 0.663** | 0.703** | 0.501* | 0.756** | .739** | 0.834** | ||||
Lys | 0.656** | 0.647** | 0.790** | 0.752** | 0.869** | 0.531* | 0.801** | 0.887** | 0.557** | 0.897** | 0.862** | 0.464 | 0.665** | |||
His | 0.613* | 0.790** | 0.780** | 0.810** | 0.829** | 0.459 | 0.826** | 0.885** | 0.595* | 0.850** | 0.797** | 0.526* | 0.574* | 0.860** | ||
Arg | 0.785** | 0.634** | 0.795** | 0.679** | 0.708** | 0.598* | 0.833** | 0.772** | 0.297 | 0.856** | 0.750** | 0.389 | 0.489 | 0.752** | 0.811** | |
Pro | 0.102 | 0.078 | 0.19 | -0.113 | 0.05 | 0.469 | 0.173 | 0.061 | -0.079 | 0.027 | 0.042 | 0.088 | 0.223 | -0.068 | 0.008 | 0.265 |
主成分 Principal component | 特征值 Characteristic value | 贡献率 Contribution rate/% | 累计贡献率 Accumulative contribution rate/% |
---|---|---|---|
1 | 11.04 | 64.92 | 64.92 |
2 | 1.78 | 10.49 | 75.41 |
3 | 1.38 | 8.09 | 83.50 |
表5 总方差分解结果
Table 5 Total variance explained
主成分 Principal component | 特征值 Characteristic value | 贡献率 Contribution rate/% | 累计贡献率 Accumulative contribution rate/% |
---|---|---|---|
1 | 11.04 | 64.92 | 64.92 |
2 | 1.78 | 10.49 | 75.41 |
3 | 1.38 | 8.09 | 83.50 |
氨基酸 Amino acid | 主成分1 Principle component 1 | 主成分2 Principle component 2 | 主成分3 Principle component 3 | |||
---|---|---|---|---|---|---|
载荷Load | 系数Coefficient | 载荷Load | 系数Coefficient | 载荷Load | 系数Coefficient | |
Asp | 0.747 | 0.225 | 0.353 | 0.264 | -0.189 | -0.161 |
Thr | 0.807 | 0.243 | -0.108 | -0.081 | -0.244 | -0.208 |
Ser | 0.858 | 0.258 | 0.359 | 0.269 | -0.157 | -0.134 |
Glu | 0.831 | 0.250 | 0.011 | 0.008 | -0.399 | -0.340 |
Gly | 0.929 | 0.280 | -0.034 | -0.025 | -0.110 | -0.094 |
Ala | 0.631 | 0.190 | 0.659 | 0.494 | 0.123 | 0.105 |
Cys | 0.909 | 0.274 | 0.104 | 0.078 | 0.147 | 0.125 |
Val | 0.969 | 0.292 | -0.109 | -0.082 | -0.053 | -0.045 |
Met | 0.624 | 0.188 | -0.546 | -0.409 | -0.116 | -0.099 |
Ile | 0.946 | 0.285 | -0.088 | -0.066 | 0.108 | 0.092 |
Leu | 0.890 | 0.268 | -0.13 | -0.097 | 0.172 | 0.147 |
Tyr | 0.588 | 0.177 | -0.522 | -0.391 | 0.510 | 0.435 |
Phe | 0.728 | 0.219 | -0.279 | -0.209 | 0.523 | 0.446 |
Lys | 0.915 | 0.275 | -0.062 | -0.046 | -0.103 | -0.088 |
His | 0.917 | 0.276 | -0.082 | -0.061 | -0.131 | -0.112 |
Arg | 0.856 | 0.258 | 0.293 | 0.219 | 0.025 | 0.021 |
Pro | 0.116 | 0.035 | 0.538 | 0.403 | 0.653 | 0.557 |
表6 主成分载荷矩阵及系数
Table 6 Principal component loading matrix and coefficient of PCA
氨基酸 Amino acid | 主成分1 Principle component 1 | 主成分2 Principle component 2 | 主成分3 Principle component 3 | |||
---|---|---|---|---|---|---|
载荷Load | 系数Coefficient | 载荷Load | 系数Coefficient | 载荷Load | 系数Coefficient | |
Asp | 0.747 | 0.225 | 0.353 | 0.264 | -0.189 | -0.161 |
Thr | 0.807 | 0.243 | -0.108 | -0.081 | -0.244 | -0.208 |
Ser | 0.858 | 0.258 | 0.359 | 0.269 | -0.157 | -0.134 |
Glu | 0.831 | 0.250 | 0.011 | 0.008 | -0.399 | -0.340 |
Gly | 0.929 | 0.280 | -0.034 | -0.025 | -0.110 | -0.094 |
Ala | 0.631 | 0.190 | 0.659 | 0.494 | 0.123 | 0.105 |
Cys | 0.909 | 0.274 | 0.104 | 0.078 | 0.147 | 0.125 |
Val | 0.969 | 0.292 | -0.109 | -0.082 | -0.053 | -0.045 |
Met | 0.624 | 0.188 | -0.546 | -0.409 | -0.116 | -0.099 |
Ile | 0.946 | 0.285 | -0.088 | -0.066 | 0.108 | 0.092 |
Leu | 0.890 | 0.268 | -0.13 | -0.097 | 0.172 | 0.147 |
Tyr | 0.588 | 0.177 | -0.522 | -0.391 | 0.510 | 0.435 |
Phe | 0.728 | 0.219 | -0.279 | -0.209 | 0.523 | 0.446 |
Lys | 0.915 | 0.275 | -0.062 | -0.046 | -0.103 | -0.088 |
His | 0.917 | 0.276 | -0.082 | -0.061 | -0.131 | -0.112 |
Arg | 0.856 | 0.258 | 0.293 | 0.219 | 0.025 | 0.021 |
Pro | 0.116 | 0.035 | 0.538 | 0.403 | 0.653 | 0.557 |
编号 No. | F1 | F2 | F3 | 综合值 Comprehen- sive scores | 排名 Ranking |
---|---|---|---|---|---|
D1 | 7.580 | -2.700 | 0.470 | 5.580 | 2 |
D2 | 3.260 | -0.910 | -1.550 | 2.262 | 3 |
D3 | -3.000 | -1.070 | -1.210 | -2.577 | 16 |
D4 | 7.000 | 2.170 | -0.450 | 5.655 | 1 |
D5 | -1.950 | 1.160 | -0.990 | -1.461 | 11 |
D6 | -0.890 | 1.700 | -0.350 | -0.509 | 7 |
D7 | -0.840 | -0.600 | -1.240 | -0.847 | 8 |
L1 | -2.750 | -0.730 | 1.640 | -2.064 | 14 |
L2 | -1.760 | -0.600 | -0.100 | -1.449 | 10 |
L3 | -3.170 | -0.190 | 0.060 | -2.475 | 15 |
L4 | -1.410 | 0.650 | 1.670 | -0.849 | 9 |
L5 | 0.790 | 1.560 | -0.490 | 0.761 | 5 |
L6 | -2.340 | -0.870 | -0.780 | -1.999 | 13 |
L7 | 1.110 | 1.670 | 1.470 | 1.213 | 4 |
L8 | 0.350 | -0.850 | 2.240 | 0.381 | 6 |
L9 | -1.990 | -0.370 | -0.390 | -1.627 | 12 |
表7 不同辣椒材料的成分得分和综合得分
Table 7 Principal component scores and comprehensive scores of different cultivars of peppers
编号 No. | F1 | F2 | F3 | 综合值 Comprehen- sive scores | 排名 Ranking |
---|---|---|---|---|---|
D1 | 7.580 | -2.700 | 0.470 | 5.580 | 2 |
D2 | 3.260 | -0.910 | -1.550 | 2.262 | 3 |
D3 | -3.000 | -1.070 | -1.210 | -2.577 | 16 |
D4 | 7.000 | 2.170 | -0.450 | 5.655 | 1 |
D5 | -1.950 | 1.160 | -0.990 | -1.461 | 11 |
D6 | -0.890 | 1.700 | -0.350 | -0.509 | 7 |
D7 | -0.840 | -0.600 | -1.240 | -0.847 | 8 |
L1 | -2.750 | -0.730 | 1.640 | -2.064 | 14 |
L2 | -1.760 | -0.600 | -0.100 | -1.449 | 10 |
L3 | -3.170 | -0.190 | 0.060 | -2.475 | 15 |
L4 | -1.410 | 0.650 | 1.670 | -0.849 | 9 |
L5 | 0.790 | 1.560 | -0.490 | 0.761 | 5 |
L6 | -2.340 | -0.870 | -0.780 | -1.999 | 13 |
L7 | 1.110 | 1.670 | 1.470 | 1.213 | 4 |
L8 | 0.350 | -0.850 | 2.240 | 0.381 | 6 |
L9 | -1.990 | -0.370 | -0.390 | -1.627 | 12 |
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