GLC NESTLE 37 MIX;37种脂肪酸甲酯混标

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GLC NESTLE 37 MIX;37种脂肪酸甲酯混标

#GLC NESTLE 37 MIX;37种脂肪酸甲酯混标| 来源: 网络整理| 查看: 265

温馨提示:本产品极易沾壁,建议溶解时,在原瓶中少量多次添加溶剂,同时多次冲刷瓶壁和瓶盖,以保证药物充分溶解。

溶解方法(仅供参考)

1. 本产品量少且粘稠,极易沾壁在瓶身和瓶盖上,建议开瓶前将瓶子用力向下甩一甩,使产品尽量沉积在瓶底

2. 建议直接在原瓶里溶解

3. 溶解时,在原瓶中少量多次添加溶剂,同时多次涡旋震荡、冲刷瓶壁和瓶盖,以保证产品充分溶解

产品说明:C4:0 METHYL BUTYRATE 2.63%;C6:0 METHYL HEXANOATE 2.63%;C8:0 METHYL OCTANOATE 2.63%;C10:0 METHYL DECANOATE 2.63%;C11:0 METHYL UNDECANOATE 2.63%;C12:0 METHYL LAURATE 2.63%;C13:0 METHYL TRIDECANOATE 2.63%;C14:0 METHYL MYRISTATE 2.63%;C14:1 METHYL MYRISTOLEATE 2.63%;C15:0 METHYL PENTADECANOATE 2.63%;C15:1 METHYL 10-PENTADECENOATE 2.63%;C16:0 METHYL PALMITATE 5.26%;C16:1 METHYL PALMITOLEATE 2.63%;C17:0 METHYL HEPTADECANOATE 2.63%;C17:1 METHYL 10-HEPTADECENOATE 2.63%;C18:0 METHYL STEARATE 2.63%;C18:1 METHYL OLEATE 2.63%;C18:1T METHYL ELAIDATE 2.63%; C18:2 METHYL LINOLEATE 2.63%;C18:2T METHYL LINOELAIDATE 2.63%;C18:3 METHYL LINOLENATE 2.63%;C18:3 METHYL GAMMA LINOLENATE 2.63%;C20:0 METHYL ARACHIDATE 2.63%;C20:1 METHYL 11-EICOSENOATE 2.63%;C21:0 METHYL HENEICOSANOATE 2.63%;C20:2 METHYL 11-14 EICOSADIENOATE 2.63%;C22:0 METHYL BEHENATE 2.63%;C22:1 METHYL ERUCATE 2.63%;C20:3 METHYL 11-14-17 EICOSATRIENOATE 2.63%;C20:3 METHYL HOMOGAMMA LINOLENATE 2.63%;C20:4 METHYL ARACHIDONATE 2.63%;C23:0 METHYL TRICOSANOATE 2.63%;C22:2 METHYL DOCOSADIENOATE 2.63%;C24:0 METHYL LIGNOCERATE 2.63%;C20:5 METHYL EICOSAPENTAENOATE 2.63%;

C24:1 METHYL NERVONATE 2.63%;C22:6 METHYL DOCOSAHEXAENOATE 2.63%.

使用本产品的案例(仅供参考)

UPLC–Q-Exactive Focus MS/MS

C18 column (100 mm × 2.1 mm, 1.7 µm) and coupled to an UPLC-Q-Exactive Focus mass spectrometer with electrospray ionization source in both positive (POS) and negative (NEG) modes was used to determine the lipid profile of IPO. The injection volume was 1 µl, and the column temperature was maintained at 50◦C. Gradient elution was carried out with acetonitrile/water (60:40 [v/v], 0.1% formic acid with 10 mmol/L ammonium formate) (solvent A) and isopropanol/acetonitrile (90:10 [v/v], 0.1% formic acid with 10 mmol/L ammonium formate) (solvent B) at a flow rate of 0.25 ml/min. An increasing linear gradient of solvent A (v/v) was used as follows: 0–5 min, 70%−57% A; 5–5.1 min, 57%−50% A; 5.1–14 min, 50%−30% A; 14–14.1 min, 30% A; 14.1–21 min, 30%−1% A; 21–24 min, 1% A; 24–24.1 min, 1%−70% A; 24.1–28 min, 70% A. Mass spectrometry conditions were as follows: spray voltage, 3.5 kV (POS) and −2.5 kV (NEG); capillary temperature, 325◦C; mass range, m/z 150–2000; normalized collision energy, 30 eV; sheath gas, 30 psi; auxiliary gas, 10 psi. Data-dependent acquisition MS/MS experiments were performed with HCD scan.

来源文献:Wen L, Xiang X, Wang Z, Yang Q, Guo Z, Huang P, Mao J, An X, Kan J. Evaluation of cultivars diversity and lipid composition properties of Idesia polycarpa var. vestita Diels. J Food Sci. 2022 Sep;87(9):3841-3855. doi: 10.1111/1750-3841.16293. Epub 2022 Aug 21. PMID: 35988127.

 



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