the library

Asian pear

Fruit & berry· orchard fruit

What it is

Asian pear is the round, crisp fruit of Pyrus pyrifolia and related species, native to East Asia.

What it tastes like

On the nose: banana, apple, dry, fruity. Among its measured molecules: ethyl oenanthate, thiophene, butyl 2-methyl butyrate, Ethyl (E)-hex-2-enoate, butyl propionate.

50 of 75 compounds on file carry a paper the library can cite.

• acetoinaromaketonereads as buttery (PubChem)Measured in 18 of 341 ingredients.cite

  peak intensity 205.78 ± 17.96 (SC), 198.77 ± 12.32 (SD), 261.04 ± 7.37 (CM), 531.42 ± 46.03 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 64 '3-Hydroxy-2-butanone')
• acetonearomaketonereads as fruity (PubChem)Measured in 18 of 341 ingredients.cite

  peak intensity 822.76 ± 85.5 (SC), 902.13 ± 92.97 (SD), 653.2 ± 7.51 (CM), 916.91 ± 27.5 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 63 'Acetone')
• 1-butanolaromaalcoholreads as dry, burning taste (PubChem)Measured in 13 of 341 ingredients.cite

  peak intensity 232.33 ± 13.13 (SC), 791.62 ± 26.2 (SD), 217.28 ± 1.3 (CM), 235.48 ± 6.49 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 47 '1-Butanol')
• propanalaromaaldehydereads as similar to acetaldehyde (PubChem)Measured in 11 of 341 ingredients.cite

  peak intensity 1125.01 ± 22.17 (SC), 1399.97 ± 26.79 (SD), 1272.33 ± 2.81 (CM), 2222.32 ± 71.13 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 59 'Propanal')
• ethanolaromaalcoholreads as burning (PubChem)Measured in 19 of 341 ingredients.cite

  peak intensity 16,200.12 ± 63.48 (SC), 14,982.91 ± 225.95 (SD), 15,946.15 ± 36.82 (CM), 16,400.76 ± 84.63 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 49 'Ethanol')
• 1-propanolaromaalcoholreads as burning taste (PubChem)Measured in 23 of 341 ingredients.cite

  peak intensity 19.28 ± 6.71 (SC), 479.78 ± 30.78 (SD), 16.25 ± 4.72 (CM), 18.91 ± 1.73 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 50 '1-Propanol')
• hexanalaromaaldehydereads as sharp, aldehyde (PubChem)Measured in 87 of 341 ingredients.cite

  peak intensity (monomer) 1965.6 ± 218.09 (SC), 620.77 ± 22.61 (SD), 1510.94 ± 32.78 (CM), 990.05 ± 56.57 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 57 'Hexanal-M')
• 1-pentanolaromaalcoholMeasured in 20 of 341 ingredients.cite

  peak intensity 159.55 ± 20.58 (SC), 57.26 ± 11.54 (SD), 164.77 ± 16.77 (CM), 503.61 ± 26.72 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 51 '1-Pentanol')
• isobutanolaromaalcoholreads as sweet, musty (PubChem)Measured in 24 of 341 ingredients.cite

  peak intensity 485.92 ± 3.72 (SC), 674.28 ± 21.46 (SD), 606.16 ± 7.00 (CM), 382.6 ± 8.9 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 48 '2-Methyl-1-propanol')
• methyl acetatearomaesterMeasured in 9 of 341 ingredients.cite

  peak intensity 1437.36 ± 43.13 (SC), 416.82 ± 20.05 (SD), 2544.66 ± 207.13 (CM), 5668.96 ± 252.90 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 39 'Methyl acetate')
• ethyl isobutyratearomaesterMeasured in 6 of 341 ingredients.cite

  peak intensity (monomer) 1057.51 ± 31.99 (SC), 110.27 ± 3.19 (SD), 1225.46 ± 30.67 (CM), 670.06 ± 11.49 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 34 'Ethyl isobutyrate-M')
• γ‑terpinenearomaterpenoidMeasured in 44 of 341 ingredients.cite

  peak intensity 1934.41 ± 73.68 (SC), 74.16 ± 23.13 (SD), 3222.67 ± 8.67 (CM), 4346.54 ± 157.79 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 68 'gamma-Terpinene')
• ethyl propionatearomaesterreads as fruity (PubChem)Measured in 5 of 341 ingredients.cite

  peak intensity 4449.82 ± 174.6 (SC), 144.65 ± 11.12 (SD), 5656.43 ± 91.58 (CM), 7885.22 ± 35.17 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 36 'Ethyl propanoate')
• ethyl butyratearomaesterreads as pineapple (PubChem)Measured in 22 of 341 ingredients.cite

  peak intensity (monomer) 2657.61 ± 26.81 (SC), 367.92 ± 102.66 (SD), 2358.66 ± 46.04 (CM), 1658.96 ± 24.15 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 24 'Ethyl butanoate-M')
• Citronellalaromaterpenoidreads as intense lemon-citronella-rose (PubChem)Measured in 8 of 341 ingredients.cite

  peak intensity 286.78 ± 79.92 (SC), 202.4 ± 93.15 (SD), 389.98 ± 51.55 (CM), 477.62 ± 20.32 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 60 'Citronellal')
• ethyl oenanthatearomaesterMeasured in 1 of 341 ingredients.cite

  peak intensity 885.91 ± 79.55 (SC), 106.13 ± 8.41 (SD), 636.28 ± 12.62 (CM), 1696.07 ± 110.96 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 2 'Ethyl heptanoate')
• ethyl octanoatearomaesterMeasured in 24 of 341 ingredients.cite

  peak intensity 530.05 ± 67.21 (SC), 209.87 ± 50.25 (SD), 529.11 ± 93.17 (CM), 841.57 ± 183.67 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3 (Volatile compounds tested from Cuiguan pear of different regions using GC-IMS), row 1 'Ethyl octanoate')
• methyl hexanoatearomaesterMeasured in 11 of 341 ingredients.cite

  peak intensity (monomer) 672.84 ± 9.29 (SC), 187.57 ± 7.22 (SD), 1126.9 ± 74.96 (CM), 1473.09 ± 107.09 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 10 'Methyl hexanoate-M')
• ethyl isovaleratearomaesterMeasured in 10 of 341 ingredients.cite

  peak intensity (monomer) 2533.08 ± 33.8 (SC), 86.69 ± 4.53 (SD), 2631.37 ± 21.66 (CM), 2163.27 ± 45.09 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 22 'Ethyl 3-methylbutanoate-M')
• propyl acetatearomaesterreads as pears (PubChem)Measured in 5 of 341 ingredients.cite

  peak intensity (monomer) 650.79 ± 14.89 (SC), 501.4 ± 49.38 (SD), 511.35 ± 30.03 (CM), 614.42 ± 4.10 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 32 'Propyl acetate-M')
• thiophenearomareads as aromatic resembling benzene (PubChem)Measured in 1 of 341 ingredients.cite

  peak intensity 1279.36 ± 78.31 (SC), 1175.64 ± 64.91 (SD), 1061.56 ± 27.86 (CM), 1301.33 ± 28.93 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 66 'Thiophene')
• isobutyl acetatearomaesterreads as banana taste (PubChem)Measured in 5 of 341 ingredients.cite

  peak intensity (monomer) 777.78 ± 13.57 (SC), 691.76 ± 36.90 (SD), 620.71 ± 2.17 (CM), 444.61 ± 18.42 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 26 'Isobutyl acetate-M')
• 2-heptanonearomaketonereads as pear flavor (PubChem)Measured in 24 of 341 ingredients.cite

  peak intensity 888.51 ± 37.58 (SC), 1364.16 ± 14.66 (SD), 234.06 ± 13.38 (CM), 303.47 ± 25.93 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 61 '2-Heptanone')
• 1-hexanolaromaalcoholreads as fatty, fruity (PubChem)Measured in 50 of 341 ingredients.cite

  peak intensity (monomer) 1225.45 ± 207.89 (SC), 896.59 ± 46.8 (SD), 1469.13 ± 27.85 (CM), 1914.18 ± 153.08 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 43 '1-Hexanol-M')
• heptanalaromaaldehydereads as fatty taste (PubChem)Measured in 34 of 341 ingredients.cite

  peak intensity 2635.14 ± 353.37 (SC), 377.35 ± 46.41 (SD), 1262.81 ± 59.65 (CM), 1478.24 ± 218.15 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 55 'Heptanal')
• heptyl acetatearomaesterMeasured in 3 of 341 ingredients.cite

  peak intensity 55.47 ± 18.76 (SC), 202.81 ± 9.34 (SD), 103.08 ± 31.14 (CM), 71.55 ± 4.95 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 41 'Heptyl acetate')
• ethyl acetatearomaesterreads as fragrant (PubChem)Measured in 43 of 341 ingredients.cite

  peak intensity (monomer) 2733.14 ± 53.91 (SC), 2733.08 ± 10.1 (SD), 2678.67 ± 33.58 (CM), 1505.43 ± 47.87 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 37 'Ethyl Acetate-M')
• hexyl acetatearomaesterreads as sweet ester (PubChem)Measured in 17 of 341 ingredients.cite

  peak intensity (monomer) 12,848.97 ± 205.3 (SC), 12,359.64 ± 39.65 (SD), 12,162.45 ± 29.61 (CM), 11,593.91 ± 98.63 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 6 'Hexyl acetate-M')
• 6-methyl-5-hepten-2-onearomaketonereads as fruity taste (PubChem)Measured in 16 of 341 ingredients.cite

  peak intensity 121.29 ± 15.45 (SC), 107.26 ± 13.67 (SD), 132.37 ± 13.55 (CM), 257.2 ± 38.8 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 65 '6-Methyl-5-hepten-2-one')
• ethyl valeratearomaesterMeasured in 3 of 341 ingredients.cite

  peak intensity (monomer) 5775.85 ± 128.67 (SC), 1672.96 ± 51.12 (SD), 5607.58 ± 13.59 (CM), 5846.96 ± 36.27 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 16 'Ethyl pentanoate-M')
• methyl isovaleratearomaesterMeasured in 4 of 341 ingredients.cite

  peak intensity (monomer) 367.8 ± 3.68 (SC), 82.24 ± 0.27 (SD), 892.71 ± 42.34 (CM), 935.42 ± 27.83 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 28 'Methyl 3-methylbutanoate-M')
• 3-methyl-1-pentanolaromaalcoholMeasured in 3 of 341 ingredients.cite

  peak intensity 256.58 ± 12.57 (SC), 59.39 ± 16.41 (SD), 330.81 ± 15.42 (CM), 1168.11 ± 41.8 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 45 '3-Methyl-1-pentanol')
• butyl propionatearomaesterMeasured in 2 of 341 ingredients.cite

  peak intensity 68.57 ± 12.91 (SC), 146.23 ± 5.11 (SD), 35.07 ± 2.26 (CM), 82.96 ± 6.49 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 40 'Butyl propionate')
• methyl butyratearomaesterreads as apple (PubChem)Measured in 6 of 341 ingredients.cite

  peak intensity (monomer) 1397.28 ± 30.04 (SC), 98.31 ± 14.21 (SD), 1360.65 ± 15.02 (CM), 953.67 ± 20.93 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 30 'Methyl butanoate-M')
• pentyl acetatearomaesterreads as persistent banana (PubChem)Measured in 3 of 341 ingredients.cite

  peak intensity (monomer) 934.5 ± 71.98 (SC), 2140.78 ± 113.43 (SD), 1975.34 ± 37.74 (CM), 1411.42 ± 49.76 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 12 'Pentyl acetate-M')
• beta-pinenearomaterpenoidreads as terpene (PubChem)Measured in 55 of 341 ingredients.cite

  peak intensity 211.47 ± 31.93 (SC), 67.03 ± 1.00 (SD), 318.06 ± 11.35 (CM), 556.45 ± 22.74 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 67 'beta-Pinene')
• 1-penten-3-onearomaketoneMeasured in 6 of 341 ingredients.cite

  peak intensity 290.96 ± 16.36 (SC), 164.98 ± 3.11 (SD), 242.63 ± 10.82 (CM), 427.09 ± 18.2 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 62 '1-Penten-3-one')
• dimethyl trisulfidearomasulfur compoundMeasured in 12 of 341 ingredients.cite

  peak intensity 180.25 ± 3.59 (SC), 237.82 ± 35.15 (SD), 163.47 ± 17.14 (CM), 436.84 ± 28.80 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 69 'Dimethyl trisulfide')
• isoamyl alcoholaromaalcoholMeasured in 46 of 341 ingredients.cite

  peak intensity 109.92 ± 13.69 (SC), 240.94 ± 13.9 (SD), 151.95 ± 8.62 (CM), 105.55 ± 1.78 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 46 '3-Methylbutanol')
• ethyl hexanoatearomaesterMeasured in 36 of 341 ingredients.cite

  peak intensity (monomer) 10,080 ± 257.58 (SC), 411.49 ± 76.35 (SD), 9598.05 ± 9.21 (CM), 9709.26 ± 58.46 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 8 'Ethyl hexanoate-M')
• butyl acetatearomaesterreads as sweet (PubChem)Measured in 8 of 341 ingredients.cite

  peak intensity (monomer) 3188.14 ± 51.35 (SC), 4242.24 ± 15.16 (SD), 2962.95 ± 35.86 (CM), 2680.29 ± 16.65 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 20 'Butyl acetate-M')
• isoamyl acetatearomaesterreads as pear (PubChem)Measured in 26 of 341 ingredients.cite

  peak intensity (monomer) 2003.05 ± 34.58 (SC), 1412.63 ± 130.10 (SD), 2205.92 ± 46.55 (CM), 1702.05 ± 72.54 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 18 'Isoamyl acetate-M')
• nonanalaromaaldehydereads as orange-rose (PubChem)Measured in 62 of 341 ingredients.cite

  peak intensity 223.63 ± 47.89 (SC), 285.15 ± 30.25 (SD), 314.21 ± 62.61 (CM), 242.65 ± 9.76 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 52 'Nonanal')
• butyl 2-methyl butyratearomaesterMeasured in 1 of 341 ingredients.cite

  peak intensity 392.16 ± 27.79 (SC), 716.7 ± 142.18 (SD), 396.25 ± 21.5 (CM), 440.67 ± 5.82 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 42 'Butyl 2-methylbutanoate')
• ethyl crotonatearomaesterMeasured in 2 of 341 ingredients.cite

  peak intensity (monomer) 2893.51 ± 75.62 (SC), 287.23 ± 8.60 (SD), 3390.91 ± 84.9 (CM), 4262.17 ± 17.19 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 14 'Ethyl crotonate-M')
• trans-2-hexenyl acetatearomaesterMeasured in 4 of 341 ingredients.cite

  peak intensity 158.81 ± 39.08 (SC), 290.83 ± 28.48 (SD), 183.65 ± 33.03 (CM), 228.06 ± 24.50 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 3 'Trans-2-hexenyl acetate')
• 2-HexenalaromaaldehydeMeasured in 33 of 341 ingredients.cite

  peak intensity 516.44 ± 132.74 (SC), 330.78 ± 8.36 (SD), 563.42 ± 64.86 (CM), 481.55 ± 39.67 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 54 '(E)-2-Hexenal')
• 2-heptenalaromaaldehydeMeasured in 14 of 341 ingredients.cite

  peak intensity 541.59 ± 52.58 (SC), 62.66 ± 18.71 (SD), 746.49 ± 39.38 (CM), 1264.08 ± 61.98 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 53 '(E)-2-Heptenal')
• (E)-2-pentenalaromaaldehydeMeasured in 4 of 341 ingredients.cite

  peak intensity 115 ± 16.88 (SC), 45.51 ± 17.70 (SD), 164.6 ± 23.82 (CM), 411.36 ± 26.97 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 56 '(E)-2-Pentenal')
• Ethyl (E)-hex-2-enoatearomaesterMeasured in 1 of 341 ingredients.cite

  peak intensity (monomer) 993.49 ± 202.49 (SC), 994.01 ± 30.7 (SD), 1892.69 ± 127.96 (CM), 520.94 ± 52.83 (ZH), GC-IMS — Zhang et al. 2023, Molecules (Table 3, row 4 '(E)-Ethyl-2-hexenoate-M')