详细信息
秦艽愈伤组织的培养及其龙胆苦苷含量的研究
Callus Cultivation and Determination of Gentiopicroside from Gentiana macrophylla
文献类型:期刊文献
中文题名:秦艽愈伤组织的培养及其龙胆苦苷含量的研究
英文题名:Callus Cultivation and Determination of Gentiopicroside from Gentiana macrophylla
作者:侯茜[1];郭美[1];张帆[1];周金霞[1];刘丽莎[1]
第一作者:侯茜
机构:[1]甘肃中医学院生物教研室,甘肃兰州730000
第一机构:甘肃中医药大学基础医学院(敦煌医学研究所)
年份:2012
卷号:35
期号:5
起止页码:675
中文期刊名:中药材
外文期刊名:Journal of Chinese Medicinal Materials
收录:MEDLINE(收录号:23213725);CSTPCD;;Scopus(收录号:2-s2.0-84874797608);北大核心:【北大核心2011】;CSCD:【CSCD2011_2012】;PubMed;
基金:甘肃省中医药科研课题(No.07-GZK-1)
语种:中文
中文关键词:秦艽;愈伤组织;诱导;龙胆苦苷;HPLC
外文关键词:Gentiana macrophylla Pall. ; Callus; Induction; Gentiopicroside; HPLC
摘要:目的:为扩大和提高甘肃道地药材秦艽资源的利用效率。方法:以秦艽种子的萌发所获得的幼芽作为外植体,诱导形成愈伤组织;筛选诱导愈伤组织产生的不同培养基和培养条件,并继代培养;应用HPLC法测定龙胆苦苷的含量。结果:秦艽愈伤组织生长的最佳培养基为MS+2,4-D(1.0 mg/L)+6-BA(0.5 mg/L),最佳继代培养基为MS+2,4-D(1.0 mg/L)+6-BA(0.5 mg/L)+NAA(0.5 mg/L),最佳继代时间为30 d。龙胆苦苷积累量在指数生长后期(28~30 d)达最高,为0.78 mg/g DW。结论:筛选出了适宜的秦艽愈伤组织培养方法。秦艽愈伤组织在固体培养基上的生长曲线呈"S"型,且愈伤组织中龙胆苦苷的积累量随愈伤组织增殖而不断增加。
Objective:To explore and improve the utilization efficiency of Gentiana macrophylla resources. Methods:The germina-tion of Gentiona rnacrophylla seeds were used as explants to induce calluses; Cultured on various culture media and condition for callus induction and subculture by test; The content of gentiopieroside in callus was determined by HPLC. Results :The optimum medium for callus was MS + 2,4-D ( 1.0 mg/L) + 6-BA(O. 5 rag/L), and MS + 2,4-D( 1.0 mg/L) + 6-BA(O. 5 mg/L) + NAA(0. 5 mg/L) was the optimum for subculture,the optimum time of subculture was 30 d; The accumulated gentiopicroside reached the highest level with O. 78 mg/g DW when entered 28 - 30 d. Conclusion : The optimized culture method of callus of Gentiana. macrophylla is obtained ; The growth curve of callus of Gentiona macrophylla turns on "S" appearance and the accumulated gentiopieroside increases along with the callus appreciation.
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