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Table 3. Arbuitn content of Asian pear peel after extracting with supercritical fluid (unit: mg/g).
No
Co-solvent
concentration (%)
Extraction pressure
(bar)
Extraction temp
(℃)
Extraction time
(min)
Lee and Eun 2357
Arbutin content (mg/g)
MeOH EtOH
1 22 250 45 120 3.22 ±0.01 2.45 ±0.01
2 26 250 32 120 3.18 ±0.02 2.53 ±0.02
3 26 250 45 90 3.28 ±0.02 2.45 ±0.01
4 26 250 45 150 3.27 ±0.03 2.57 ±0.01
5 26 250 60 120 3.18 ±0.02 2.46 ±0.01
6 30 250 45 120 3.34 ±0.03 2.56 ±0.03
7 22 275 32 120 3.13 ±0.02 2.44 ±0.01
8 22 275 45 90 3.27 ±0.03 2.56 ±0.01
9 22 275 45 150 3.35 ±0.02 2.54 ±0.03
10 22 275 60 120 3.35 ±0.02 2.54 ±0.03
11 26 275 32 90 3.35 ±0.02 2.54 ±0.03
12 26 275 32 150 3.28 ±0.01 2.56 ±0.03
13 26 275 45 120 3.16 ±0.01 2.54 ±0.02
14 26 275 45 120 3.13 ±0.02 2.52 ±0.02
15 26 275 45 120 3.10 ±0.01 2.54 ±0.03
16 26 275 60 90 3.28 ±0.03 2.45 ±0.01
17 26 275 60 150 3.18 ±0.02 2.55 ±0.04
18 30 275 32 120 2.31 ±0.02 1.76 ±0.02
19 30 275 45 90 2.44 ±0.03 1.94 ±0.03
20 30 275 45 150 2.58 ±0.02 2.10 ±0.02
21 30 275 60 120 2.64 ±0.03 2.13 ±0.03
22 22 300 45 120 2.59 ±0.01 2.13 ±0.01
23 26 300 32 120 2.58 ±0.02 2.11 ±0.02
24 26 300 45 90 2.48 ±0.02 2.04 ±0.02
25 26 300 45 150 2.46 ±0.01 2.10 ±0.01
26 26 300 60 120 2.45 ±0.01 2.04 ±0.04
27 30 300 45 120 2.52 ±0.02 2.03 ±0.02
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