食品研究与开发
食品研究與開髮
식품연구여개발
FOOD RESEARCH AND CEVELOPMENT
2013年
23期
98-100
,共3页
郝鹏飞%刘东风%牟志春%徐琴%苏广坤%刘琳
郝鵬飛%劉東風%牟誌春%徐琴%囌廣坤%劉琳
학붕비%류동풍%모지춘%서금%소엄곤%류림
腌渍蔬菜%丙酸%气相色谱-质谱法%测定%应用
醃漬蔬菜%丙痠%氣相色譜-質譜法%測定%應用
업지소채%병산%기상색보-질보법%측정%응용
pickled vegetables%propionic acid%gas chromatography-mass spectrometry%determination%ap-plication
建立测定腌渍蔬菜中丙酸含量的气相色谱-质谱方法。样品经粉碎、加10%的磷酸酸化、再用无水乙醇提取,过滤后用气相色谱-质谱测定其中丙酸的含量。实验结果表明,该方法的检出限为0.20 mg/kg。添加回收实验回收率为95.8%~97.9%(n=6),相对标准偏差(RSD)为1.2%~2.3%(n=6)。该法简便、快速、灵敏度好、准确度高。同时通过对大量腌渍蔬菜中丙酸的测定,探讨了腌渍蔬菜中引入丙酸的可能原因。
建立測定醃漬蔬菜中丙痠含量的氣相色譜-質譜方法。樣品經粉碎、加10%的燐痠痠化、再用無水乙醇提取,過濾後用氣相色譜-質譜測定其中丙痠的含量。實驗結果錶明,該方法的檢齣限為0.20 mg/kg。添加迴收實驗迴收率為95.8%~97.9%(n=6),相對標準偏差(RSD)為1.2%~2.3%(n=6)。該法簡便、快速、靈敏度好、準確度高。同時通過對大量醃漬蔬菜中丙痠的測定,探討瞭醃漬蔬菜中引入丙痠的可能原因。
건립측정업지소채중병산함량적기상색보-질보방법。양품경분쇄、가10%적린산산화、재용무수을순제취,과려후용기상색보-질보측정기중병산적함량。실험결과표명,해방법적검출한위0.20 mg/kg。첨가회수실험회수솔위95.8%~97.9%(n=6),상대표준편차(RSD)위1.2%~2.3%(n=6)。해법간편、쾌속、령민도호、준학도고。동시통과대대량업지소채중병산적측정,탐토료업지소채중인입병산적가능원인。
The method was proposed for the determination of propionic acid in pickled vegetables by using GC-MS, The sample was acidulated by 10%phosphaonic acid and extracted by anhydrous athonal and detected by using GC-MS. The detection limit was 0.20 mg/kg, the average recoveries were 95.8%-97.9%(n=6), and the relative standard derivations were 1.2 %-2.3 %(n = 6). The method is simple, rapid, sensitive and accurate. Through the determination of a large number of pickled vegetables , we discussed the possible reason for introducing the propionic acid in pickled vegetables.