18PH
(University of New England)
Collection:
A small sample of leaf material (~0.02g) was collected by Mr Phil James from plants cultivated in a private garden (Perth, WA). Specimens were immediately placed in glass vials containing a small volume of MeOH and shipped to the lab where MeOH was added to make up to ~ 1 mL. Samples were left in the solvent overnight to ~24 h. Samples were diluted with further MeOH and/or filtered through cotton wool, as necessary. Specimens were then injected into the GC-MS for characterization, or frozen until characterization.
GC–MS:
Agilent GC System 7890A; inert MSD with triple-axis detector 7975C; Agilent HP-5MS column (30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min). To limit the impact of solvent-related peaks, peaks prior to a retention time of 3.5 min were not considered in analyses.
Analysis:
Spectra were matched to the NIST11 library and a small private Eremophila compound library maintained at the University of New England. The top 10 peaks were selected, and arithmetic (retention) indices (AI) calculated and compared to the NIST Webbook (http://webbook.nist.gov/chemistry/). An annotation was rejected if the AI (+/-2%) did not match published values for nonpolar column data. If the quality match of the spectra to the NIST11 or private library was under 80% the annotation was rejected. Where no published AI was available, a compound was accepted if the quality of the spectra match was 90% or over.
18PH:212
2%
9%
20%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:253
AI 1925
5%
5%
11%
8%
5%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:291
AI 1958
1%
3%
4%
2%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:254
2%
5%
4%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:292
AI 934
2%
3%
2%
10%
2%
4%
6%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:214
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:215
AI 1657
5%
4%
6%
7%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:260
AI 1425
3%
5%
6%
13%
19%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:297
6%
7%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:218
AI 1502
8%
3%
5%
4%
2%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:262
3%
6%
12%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:298
AI 1574
11%
18%
7%
6%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:220
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:264
AI 1316
4%
2%
1%
82%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:299
3%
5%
9%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:231
AI 1486
2%
12%
2%
10%
1%
3%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:270
AI 1936
3%
2%
1%
1%
93%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:300
2%
4%
8%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:232
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:274
AI 1380
3%
4%
3%
8%
3%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:301
AI 927
2%
35%
4%
4%
3%
4%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:233
AI 1502
4%
4%
4%
6%
19%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:243
AI 1425
4%
3%
6%
2%
15%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:234
AI 1425
31%
2%
3%
2%
4%
5%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:276
AI 934
2%
2%
5%
7%
15%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:236
AI 1425
4%
6%
2%
1%
3%
1%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:277
AI 1502
13%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:237
4%
2%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:280
AI 1315
5%
4%
3%
5%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:247
3%
4%
3%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:282
AI 934
9%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:248
AI 1191
2%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:284
AI 1502
2%
2%
3%
5%
10%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:249
AI 1425
4%
2%
4%
11%
3%
17%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:287
AI 1316
2%
3%
5%
8%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:210
4%
7%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:251
5%
7%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:288
AI 1316
4%
5%
31%
4%
4%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:275
AI 1425
12%
3%
5%
4%
7%
3%
3%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:259
AI 1425
6%
16%
3%
4%
2%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:293
AI 1425
5%
12%
16%
3%
11%
12%
3%
3%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
18PH:213
AI 1958
1%
1%
4%
4%
GC: HP-5MS; 30 m × 250μm× 0.25μm; He; 50 °C for 0 min, 5 °C/min to 260 °C, hold 2 min.
