Typical G.C. analysis

zingiber officinale oil CO2 extract
113.53beta- bisabolene
201.82 bisabolyl acetate
30.60  borneol
70.31beta- caryophyllene
1trace1,8- cineole
910.87ar- curcumene
181.31  eudesmol
60.83  eugenol
1314.17beta- farnesene
160.88(E,E)- farnesol
15trace(Z,Z)- farnesol
226.02  gingerol
172.26  gingerone
210.54 lanceolyl acetate
2trace  linalool
50.80  linalyl acetate
192.21  nerolidyl acetate
80.64  neryl acetate
126.81beta-sesqui phellandrene
14tracebeta- selinene
2312.226- shogaol
42.51alpha- terpineol
1024.70  zingiberene

M. D’Alpaos, P. Traldi, G. Tassinato and P. Pallado, Extraction of essential oils and flavors with classic and supercritical techniques: a comparison. Rivista Ital. EPPOS (Numero Speciale – Agosto), 200-207 (1997).

P&F 25, No. 2, 46, (2000)

zingiber officinale oil CO2 extract australia
In 1994, Bartley and Foley analyzed the chemical composition of a supercritical fluid extract of Australian-grown ginger. The freshly harvested roots were peeled and chopped into 2 mm cubes before grinding under liquid nitrogen. The pulp was mixed with coarse granulated Celite (diatomaceous earth) and subjected to extraction by supercritical CO2. The analysis was preformed by a combination of capillary GC (for retention indices and quantitative data) and GC/MS (for component identification confirmation). The compounds identified were:
320.20 aromadendrenol
2310.83alpha- bergamolene
242.73beta- bisabolene
290.14alpha- bisabolol
110.60  borneol
160.10iso bornyl acetate
250.14gamma- cadinene
43.71  camphene
92.991,8- cineole
213.25ar- curcumene
120.11  decanal
280.22  dodecatrienol
190.20beta- elemene
180.23delta- elemene
270.25  elemol
200.18beta- farnesene
1525.06  geranial
140.66  geraniol
170.12  geranyl acetate
10.52  hexanal
70.43  limonene
100.46  linalool
20.113- methyl hexanol
60.53  myrcene
132.87  neral
350.086- paradol
340.20 pentenyl curcumene
81.63beta- phellandrene
268.18beta-sesqui phellandrene
50.08beta- pinene
300.22(Z)-sesqui sabinene hydrate
360.316- shogaol
30.93alpha- thujene
310.15 zingerenol
2225.87  zingiberene
330.64 zongerone

J. P. Bartley and P. Foley, Supercritical fluid extraction of Australian grown ginger (Zingibar officinale), J. Sci. Food Agric., 66, 365-371 (1994).

P&F 22, No. 5, 71, (1997)

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