Page 26 - วารสารปีที่15ฉบับที่1

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∑√“∫ Ÿμ√‚§√ß √â“ß∑“߇§¡’ (unknown com- 5 μ“¡≈”¥—∫ ·≈–μ—«Õ¬à“ß Ÿμ√‚§√ß √â“ß∑“߇§¡’ ¥—ß

pounds) Õ’°À≈“¬™π‘¥ · ¥ß„π√Ÿª∑’Ë 6 æ∫«à“ª√–°Õ∫¥â«¬ “√°≈ÿà¡Õπÿæ—π∏å
Õߧåª√–°Õ∫‡§¡’∑’Ëμ√«®æ∫„𧫗π∑’ˉ¥â®“° ¢ÕßøïπÕ≈ (phenol derivatives) ‰¥â·°à “√°≈ÿà¡
°“√‡º“À≠⓬ÿà¡ (grass smoke) ‚¥¬«‘‡§√“–À宓° ‰´√‘ß°Õ≈ (syringols) [‡™àπ syringol ·≈–

§«—π∑’Ë≈–≈“¬„ππÈ” ·≈–§√“∫‡À≈◊Õß∑’ˇ°‘¥¢÷Èπ®“° homosyringic acid] “√°≈ÿࡉ°«Õ–§Õ≈
°“√‡º“ (smoke residue) ¥—ß· ¥ß„πμ“√“ß∑’Ë 4 ·≈– (guaiacols) [‡™àπ vanillin ·≈– vanillic acid] “√

μ“√“ß∑’Ë 3 Õߧåª√–°Õ∫∑“߇§¡’∫“ß™π‘¥¢Õß “√ °—¥À¬“∫®“° acetone «‘‡§√“–Àå‚¥¬‡∑§π‘§ GC-MS

Compounds Formula MW Retention time Area (%)

α-Ionone C H O 192 12.26 0.26
13 20
β-Ionone C H O 192 13.15 0.46
13 20
Lauric acid C H O 200 14.28 1.74
12 24 2
ar-Turmerone C H O 216 15.85 0.29
15 20
Myristic acid C H O 228 17.08 0.60
14 28 2
Pentadecanoic acid C H O 242 18.39 0.50
15 30 2
Phytol C H O 296 18.69 4.32
20 40
Palmitic acid C H O 256 19.76 41.34
16 32 2
Stearic acid C H O 284 22.05 2.49
18 36 2
α-Tocopherol C H O 430 31.29 0.62
29 50 2
α-Tocopherol quinone C H O 446 31.36 2.07
29 50 3
Campesterol C H O 400 32.48 3.69
28 48
Stigmasterol C H O 412 32.80 5.06
29 48
β-Sitosterol C H O 414 33.60 6.20
29 50

RT: 5.00 - 35.01 SM: 15G
RT: 19.76
AA: 6200635
100
80 RT: 21.81
Relative Abundance 60 RT: 17.41 AA: 2436289

40
AA: 940098
20 RT: 14.28 AA: 26124 RT: 32.80
RT: 8.46 RT: 24.17 RT: 28.51
AA: 297986 11.22 AA: 261511 17.08 AA: 136585 AA: 18930
0
6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
Time (min)
√Ÿª∑’Ë 3 GC-MS Chromatogram ¢Õß “√ °—¥À¬“∫À≠⓬ÿà¡®“° acetone