Results 41 to 50 of about 15,904,426 (181)

The isolation of (6S, 9S)-cyclo(prolylvalyl) from marine actinomycete, by use of high speed countercurrent chromatography [PDF]

Journal of the Serbian Chemical Society, 2002
The marine actinomycete B 1758 came from the actinomycete collection of the Alfred Wegener Institute for Polar and Marine Research in Bremerhafen, Germany. 1.079 g of raw extract was obtained by fermentation.
SINISA DJORDJEVIC, ANDRIJA SMELCEROVIC, MIRKO SCHIEBEL   +2 more
doaj  

Anti-Inflammatory Activity of Four Triterpenoids Isolated from Poriae Cutis

Foods, 2021
In this study, triterpenoid compounds from Poriae Cutis were separated by high-speed countercurrent chromatography (HSCCC) and identified using ultra-high performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry (UHPLC-QTOF-MS/
Lijia Zhang, Mengzhou Yin, Xi Feng, Salam A. Ibrahim, Ying Liu, Wen Huang   +5 more
doaj   +1 more source

HSCCC Separation of the Two Iridoid Glycosides and Three Phenolic Compounds from Veronica ciliata and Their in Vitro Antioxidant and Anti-Hepatocarcinoma Activities

Molecules, 2016
Five main compounds, including two iridoid glycosides (catalposide, verproside) and three phenolic compounds (luteolin, 4-hydroxy benzoic acid, 3,4-dihydroxy benzoic acid), were separated and prepared from the crude extract of Veronica ciliata by high ...
Qiuxia Lu, Yiran Sun, Yueyue Shu, Shancai Tan, Li Yin, Yiran Guo, Lin Tang   +6 more
doaj   +1 more source

Characterization, Large-Scale HSCCC Separation and Neuroprotective Effects of Polyphenols from Moringa oleifera Leaves

Molecules, 2022
Moringa oleifera leaves have been widely used for the treatment of inflammation, diabetes, high blood pressure, and other diseases, due to being rich in polyphenols.
Qian Gao, Zongmin Wei, Yun Liu, Fang Wang, Shuting Zhang, Carmo Serrano, Lingxi Li, Baoshan Sun   +7 more
doaj   +1 more source

Separation and Biological Activities of the Main Compounds from the Bark of Myrica rubra Siebold & Zucc

Separations, 2023
Myrica rubra (Lour.) Siebold & Zucc bark is a traditional natural medicine used by the people of the Dong minority in western Hunan in China. In this study, the main compounds in Myrica rubra bark including epigallocatechin gallate, myricetrin, myricetin,
Tianyang Hao, Lingyang Fan, Yiyue Chang, Hui Yang, Kai He   +4 more
doaj   +1 more source

Isolation of phenolic compounds from Rheedia longifolia by high-speed countercurrent chromatography

Rodriguésia
Rheedia longifolia is a species of the Clusiaceae family, popularly known as bacupari. Pharmacological studies conducted by our group revealed that the raw methanolic extract of its leaves, along with its fractions, induces both inflammatory and ...
Ana Luiza Rangel Bérenger, Flávia da Cunha Camillo, Lavínia de Carvalho Brito, Maria Auxiliadora Coelho Kaplan, Maria Raquel Figueiredo   +4 more
doaj   +1 more source

Isolation and identification of highly active anticholinesterase ingredients from fermented soybean products

CyTA - Journal of Food, 2017
Inhibitory activities of ethanol extracts from seven fermented soybean products, including douchi, sufu, stinky tofu, to acetylcholinesterase were determined, and crude extract from Yongchuan douchi, which showed the strongest inhibitory effect, was ...
Yunbin Zhang, Mengyue Wei, Weidi Li, Yifei Wang, Jingwen Wang   +4 more
doaj   +1 more source

Application of commercial ultrafiltration membranes for protein purification by high performance countercurrent membrane purification (HPCMP)

Biotechnology Progress, EarlyView.
Abstract High performance countercurrent membrane purification (HPCMP) has emerged as a promising diffusive separation strategy for the purification of recombinant proteins and monoclonal antibodies (mAbs). However, prior studies employed dialysis membranes, which are designed for diffusive separations but have not been validated for biopharmaceutical ...
Aylin Mohammadzadehmarandi, Nate Heller, Mohammadreza Ahmadimashhadi, Jon Petrone, Nicholas Marchand, Siavash Darvishmanesh, Ka Zhang, Stefano Menegatti, Andrew L. Zydney   +8 more
wiley   +1 more source

Characterization of MK8(H2) from Rhodococcus sp. B7740 and Its Potential Antiglycation Capacity Measurements

Marine Drugs, 2018
Menaquinone (MK) has an important role in human metabolism as an essential vitamin (VK2), which is mainly produced through the fermentation of microorganisms. MK8(H2) was identified to be the main menaquinone from Rhodococcus sp.
Yashu Chen, Qin Mu, Kai Hu, Mo Chen, Jifang Yang, Jigang Chen, Bijun Xie, Zhida Sun   +7 more
doaj   +1 more source

Advances in Anthocyanin Recovery and Purification From Natural Sources: Bioavailability, Mechanistic Action in the Human Body and Applications in Novel Food Development

Food Chemistry International, EarlyView.
This review highlights green recovery, purification, stabilisation, bioavailability, health relevance, and novel food applications of anthocyanins from natural and agro‐industrial sources. ABSTRACT Anthocyanins are water‐soluble natural pigments and multifunctional food ingredients that support clean‐label colour, antioxidant activity, and value‐added ...
Chandan Kumar Sahu, Soumitra Banerjee, Venkata Krishna Bayineni, Ravi‐Kumar Kadeppagari, Amit Arora   +4 more
wiley   +1 more source