Zobrazeno 1 - 10
of 1 251
pro vyhledávání: '"high speed counter current chromatography"'
Autor:
Daoguang SONG, Zhi CHEN
Publikováno v:
Shipin gongye ke-ji, Vol 43, Iss 24, Pp 93-101 (2022)
For an improved study of flavonoid glycosides of great polarity from Hydrocotyle sibthorpioides Lam (HSL), the large polar flavonoid glycosides were extracted with n-BuOH, purified by DM 301 macroporous resin, Sephadex LH-20 and reversed-phase silica
Externí odkaz:
https://doaj.org/article/e01040b1a43e4d8782e5bfaf1349e27f
Publikováno v:
Frontiers in Microbiology, Vol 14 (2023)
Heat-stable antifungal factor (HSAF) produced by the biocontrol bacterium Lysobacter enzymogenes shows considerable antifungal activity and has broad application potential in the agricultural and medical fields. There is a great demand for pure HSAF
Externí odkaz:
https://doaj.org/article/c36b25d28f1348d38fbf16dde637c3bd
Publikováno v:
Open Chemistry, Vol 20, Iss 1, Pp 550-558 (2022)
Caesalpinia sappan L. (C. sappan L.), a traditional Chinese medicine, has been widely used to treat bruises and dysmenorrhea, performing pharmacological activities such as anti-inflammatory and anti-tumor. C. sappan L. has been reported to contain co
Externí odkaz:
https://doaj.org/article/f8ad17b5a2b04f92a3b58df96699cf89
Autor:
Wanling Yang, Yiyao Liang, Yujie Liu, Baizhong Chen, Kanghui Wang, Xiaojing Chen, Zhiqian Yu, Depo Yang, Yi Cai, Guodong Zheng
Publikováno v:
Frontiers in Pharmacology, Vol 14 (2023)
Polymethoxyflavonoids (PMFs), the main bioactive compounds naturally occurring in the pericarp of Citrus reticulata ‘Chachi’ (CRCP), possess significant antitumor action. However, the action of PMFs in nasopharyngeal carcinoma (NPC) is currently
Externí odkaz:
https://doaj.org/article/32eeaac862734dbdac03c1f864b6d0a1
Publikováno v:
Shipin gongye ke-ji, Vol 43, Iss 1, Pp 39-46 (2022)
The aim of this study was to develop a method for the separation and preparation of high purity sanguinarine and chelerythrine by conventional high speed counter-current chromatography. After comparing six kinds of solvent protocols of analytical hig
Externí odkaz:
https://doaj.org/article/d55639fa35ee4b0eb47aadb64545532c
Publikováno v:
Food Production, Processing and Nutrition, Vol 2, Iss 1, Pp 1-13 (2020)
Abstract Rice false smut is an emerging plant disease worldwide. Ustiloxin A (UstA) is the major mycotoxin found in rice false smut balls, which are fungal colonies in rice florets. In this study, a new method consisting of macroporous resin column c
Externí odkaz:
https://doaj.org/article/52b70ec450484e05bfda13f50fdf2fae
Autor:
Zhang Guoying, Chi Xiaofeng
Publikováno v:
Open Chemistry, Vol 18, Iss 1, Pp 702-710 (2020)
Rheum tanguticum is a traditional Chinese herbal medicine, which contains abundant anthraquinones. In this study, anthraquinones were efficiently extracted from Rheum tanguticum by subcritical water extraction (SWE). The parameters of extraction time
Externí odkaz:
https://doaj.org/article/38ad7446cd08440ea45894ba85e90518
Publikováno v:
Polish Journal of Food and Nutrition Sciences, Vol 70, Iss 1, Pp 67-74 (2020)
Saponins, natural plant compounds exhibiting health benefits, were extracted from B. vulgaris L. cultivar (cv.) Red Sphere and separated by high-speed counter-current chromatography (HSCCC) in a new solvent system composed of: TBME-BuOH-ACN-H2O (1:2:
Externí odkaz:
https://doaj.org/article/10f0981a35f84e148532eb831c42b49d
Akademický článek
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Publikováno v:
Separations, Vol 9, Iss 11, p 357 (2022)
Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC). The partition coefficient and retention of the stationary phase are two key parameters for solve
Externí odkaz:
https://doaj.org/article/cca06aa8e3d84e9cbb1d6a7f171cde06