Scientia Agricultura Sinica ›› 2021, Vol. 54 ›› Issue (11): 2476-2486.doi: 10.3864/j.issn.0578-1752.2021.11.018

• RESEARCH NOTES • Previous Articles    

Analysis of Fruit Aromatic Components of Ten Plum Germplasm Resources in Northeast China

WANG ShanShan(),ZHAO ChenHui,LI HongLian,ZHANG BingBing,LIANG YingHai(),SONG HongWei()   

  1. Institute of Pomology, Jilin Academy of Agricultural Sciences, Gongzhuling 136100, Jilin
  • Received:2020-08-10 Accepted:2020-12-31 Online:2021-06-01 Published:2021-06-09
  • Contact: YingHai LIANG,HongWei SONG;;


【Objective】In order to identify excellent plum resources with attractive aroma in Northeast China and to analyze the characteristic aromatic components for the plum fruits, ten plum germplasm resources from Northeast China were utilized to analyze their aromatic components and to identify characteristic aromatic components in their plum fruits, so as to provide reference for further molecular research and breeding application of plum aroma. 【Method】The aromatic components were determined using headspace solid phase microextraction coupled with gas chromatography-mass spectrometry (HS-SPME-GC-MS). Odor-activity values (OAV) and principal component analysis (PCA) were used to identify and analyze the characteristic aromatic components in the plum fruits. 【Result】A total of 63 aromatic components were identified in these ten plums. Among them, nine common aromatic components were detected in each of the ten plums, including (E)-2-hexenal, (E)-2-octenal, (E)-2-nonenal, decanal, 2-nonanone, 2,6,6-trimethyl-2-cyclohexene-1,4-dione, 2,4-di-tert-butylphenol, p-cymene, and (+) dipentene. The main aromatic components of Muhongtianli, Suilinghong, Yuejinli, Hongganhe, Huangganhe, Fortune, Great Rose, and Sifengli were aldehydes, whereas the main aromatic components of Xiangjiaoli and Niuxinli were esters. The PCA results of aromatic components showed that ten plums could be divided into three groups: the first group consisted of seven plum resources, including Muhongtianli, Suilinghong, Yuejinli, Hongganhe, Huangganhe, Fortune, Great Rose, and Sifengli; the second group consisted of only one plum resources, Xiangjiaoli, the third group was composed of only one plum, Niuxinli. According to the results of OAV values, the common characteristic aromatic components in all ten plums were (E)-2-hexenal and 2-nonanone. Other characteristic aromatic components were also detected in these plums: the characteristic aromatic components which could be detected only in Niuxinli were ethyl butyrate, ethyl caprate and isoamyl acetate; the characteristic aromatic components detected only in Xiangjiaoli were butyl acetate and hexyl propionate; the characteristic aromatic component detected only in Muhongtianli was α-pinene; the characteristic aromatic component detected only in Suilinghong was (E)-2-heptenal. 【Conclusion】β-Ionone was a characteristic aromatic component that could be detected only in seven plums distributed in Northeast China, including Muhongtianli, Suilinghong, Yuejingli, Hongganhe, Huangganhe, Xiangjiaoli, and Sifengli. Among the ten plum resources studied here, Muhongtianli, Niuxinli, and Xiangjiaoli had rich characteristic aromatic components, providing excellent plum resources with aroma.

Key words: plum, aromatic components, principal component analysis, odor-activity values, characteristic aromatic components

Table 1

Agronomic traits and fruit economic traits of ten plum germplasm resources"

Tree age (year)
Flowering to harvesting
time (d)
Single fruit weight
Ground color of peel
Over color of peel
Flesh color
Soluble solids contents (%)
Soluble sugar (%)
Titratable acidity (%)
Ascorbic acid (mg/100 g)
Great Rose
P. domestica L.
7 132 53.32 绿黄色
Green yellow
Purple black
14.74 12.23 1.23 16.88
P. americana. Marsh.
7 95 55.32 黄色
Purple red
12.80 6.60 1.33 32.00
P. salicina Lindl.
7 125 77.13 黄色
Purple red
11.05 10.42 1.63 31.47
P. salicina Lindl.
7 92 51.96 黄色
10.22 10.29 1.18 15.23
P. salicina Lindl.
7 87 33.62 黄色
13.52 10.06 1.07 20.40
P. salicina Lindl.
7 103 27.62 黄绿色
Yellow green
15.10 11.73 1.94 21.76
P. salicina Lindl.
7 101 32.06 黄色
14.80 10.81 1.81 27.64
P. salicina Lindl.
7 100 24.91 黄色
13.70 10.18 1.77 40.54
P. ussuriensis Kov. et Kost.
7 103 18.18 黄色

15.90 10.11 1.71 20.24
P. ussuriensis Kov. et Kost.
7 105 16.52 黄色

13.53 8.42 2.35 30.46

Fig. 1

Fruits aromatic components in ten plum germplasm resources"

Fig. 2

Heatmap of fruit aromatic components in ten plum germplasm resources"

Fig. 3

Venn diagram of fruit aromatic components in ten plum germplasm resources Orange bar represents the total number of aromatic components in each plum germplasm resource, black dot represents aromatic components, black line-connected black dots represent common aromatic components, and green bar represents the number of common aromatic components"

Fig. 4

PCA results of characteristic fruit aromatic components in ten plum germplasm resources"

Fig. 5

Heatmap of characteristic fruit aromatic components in ten plum germplasm resources"

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