建立蜂产品中10种头孢类药物(头孢喹肟、头孢噻肟、头孢洛宁、头孢哌酮、头孢匹林、头孢氨苄、头孢乙腈、头孢拉定、去乙酰基头孢匹林、头孢唑啉)残留量的超高效液相色谱-串联质谱测定方法。蜂产品样品中头孢类药物用10%甲酸溶液提取,离...建立蜂产品中10种头孢类药物(头孢喹肟、头孢噻肟、头孢洛宁、头孢哌酮、头孢匹林、头孢氨苄、头孢乙腈、头孢拉定、去乙酰基头孢匹林、头孢唑啉)残留量的超高效液相色谱-串联质谱测定方法。蜂产品样品中头孢类药物用10%甲酸溶液提取,离心,上清液经Oasis PRIME HLB固相萃取柱净化,氮吹后复溶,进行超高效液相色谱-串联质谱分析。采用Acquity BEH C18色谱柱,以0.1%甲酸溶液-甲醇体系作为流动相进行梯度洗脱,电喷雾离子源正离子模式,多反应离子监测模式检测,基质校准外标法定量。结果表明,10种头孢类药物在一定质量浓度范围内相关系数(r2)大于0.999,线性关系良好;其中检出限为0.1~1μg/kg,定量限为0.3~3μg/kg;阴性蜂产品样品的加标回收率为80.0%~95.5%,相对标准偏差为1.5%~4.8%。该方法检测周期短,准确度和精密度高,能满足多种蜂产品样品中头孢类药物的检测需要。展开更多
Bee products have long been used in traditional medicine.The raw materials,crude extracts and purified active compounds from them have been found to exhibil interesting bioactivities,such as antimicrobial,anti-inflamm...Bee products have long been used in traditional medicine.The raw materials,crude extracts and purified active compounds from them have been found to exhibil interesting bioactivities,such as antimicrobial,anti-inflammatory and antioxidant activities.In addition,they have been widely used in the treatment of many immune-related diseases,as well as in recent times in the treatment of tumors.Bee product peptides induce apoptotic cell death in vitro in several transformed(cancer) human cell lines,including those derived from renal,lung,liver,prostate,bladder and lymphoid cancers.These bioactive natural products may.therefore,prove to be useful as part of a novel targeted therapy for some types of cancer,such as prostate and breast cancer.This review summarizes the current knowledge regarding the in vivo and in vitro potential of selective bee products against tumor cells.展开更多
文摘建立蜂产品中10种头孢类药物(头孢喹肟、头孢噻肟、头孢洛宁、头孢哌酮、头孢匹林、头孢氨苄、头孢乙腈、头孢拉定、去乙酰基头孢匹林、头孢唑啉)残留量的超高效液相色谱-串联质谱测定方法。蜂产品样品中头孢类药物用10%甲酸溶液提取,离心,上清液经Oasis PRIME HLB固相萃取柱净化,氮吹后复溶,进行超高效液相色谱-串联质谱分析。采用Acquity BEH C18色谱柱,以0.1%甲酸溶液-甲醇体系作为流动相进行梯度洗脱,电喷雾离子源正离子模式,多反应离子监测模式检测,基质校准外标法定量。结果表明,10种头孢类药物在一定质量浓度范围内相关系数(r2)大于0.999,线性关系良好;其中检出限为0.1~1μg/kg,定量限为0.3~3μg/kg;阴性蜂产品样品的加标回收率为80.0%~95.5%,相对标准偏差为1.5%~4.8%。该方法检测周期短,准确度和精密度高,能满足多种蜂产品样品中头孢类药物的检测需要。
基金supported by the National Research Council of Thailandthe Japan Society for the Promotion of Science+1 种基金the Higher Education Research Promotion and National Research University Project of Thailand(Grant No.AS613A)the Ratchadaphiseksomphot Endowment Fund of Chulalongkorn University(Grant No.RES560530041-FW)
文摘Bee products have long been used in traditional medicine.The raw materials,crude extracts and purified active compounds from them have been found to exhibil interesting bioactivities,such as antimicrobial,anti-inflammatory and antioxidant activities.In addition,they have been widely used in the treatment of many immune-related diseases,as well as in recent times in the treatment of tumors.Bee product peptides induce apoptotic cell death in vitro in several transformed(cancer) human cell lines,including those derived from renal,lung,liver,prostate,bladder and lymphoid cancers.These bioactive natural products may.therefore,prove to be useful as part of a novel targeted therapy for some types of cancer,such as prostate and breast cancer.This review summarizes the current knowledge regarding the in vivo and in vitro potential of selective bee products against tumor cells.