Improved growth and colchicine concentration in Gloriosa superba on mycorrhizal inoculation supplemented with phosphorus-fertilizer.
نویسندگان
چکیده
BACKGROUND Gloriosa superba produces an array of alkaloids including colchicine, a compound of interest in the treatment of various diseases. The tuber of Gloriosa superba is a rich source of colchicine which has shown anti-gout, anti-inflammatory, and anti-tumor activity. However, this promising compound remains expensive and Gloriosa superba is such a good source in global scale. Increase in yield of naturally occurring colchicine is an important area of investigation. MATERIALS AND METHODS The effects of inoculation by four arbuscular mycorrhizal (AM), fungi, Glomus mossae, Glomus fasciculatum, Gigaspora margarita and Gigaspora gilmorei either alone or supplemented with P-fertilizer, on colchicine concentration in Gloriosa superba were studied. The concentration of colchicine was determined by high-performance thin layer chromatography. RESULTS The four fungi significantly increased concentration of colchicine in the herb. Although there was significant increase in concentration of colchicine in non-mycorrhizal P-fertilized plants as compared to control, the extent of the increase was less compared to mycorrhizal plants grown with or without P-fertilization. This suggests that the increase in colchicine concentration may not be entirely attributed to enhanced P-nutrition and improved growth. Among the four AM fungi Glomus mossae was found to be best. The total colchicine content of plant (mg / plant) was significantly high in plants inoculated with Glomus mossae and 25 mg kg(-1)phosphorus fertilizer (348.9 mg /plant) while the control contain least colchicine (177.87 mg / plant). CONCLUSION The study suggests a potential role of AM fungi in improving the concentration of colchicine in Gloriosa superba tuber.
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Quantification of Colchicine in Seed and Tuber samples of Gloriosa superba by High Performance Liquid Chromatography method
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ورودعنوان ژورنال:
- African journal of traditional, complementary, and alternative medicines : AJTCAM
دوره 11 2 شماره
صفحات -
تاریخ انتشار 2014