Results 61 to 70 of about 1,880 (204)
From farm to pharma, this review details the engineering of quality in medicinal plants through a science‐driven approach: it first elucidates how genetic and environmental factors inscribe the plant's phytochemical and phytopharmacological profile before harvest, and then dissects the postharvest techniques and technologies—chemical and thermal pre ...
Elyas Aryakia
wiley +1 more source
The contamination of foods and animal feeds with trichothecene mycotoxins is a growing concern for human and animal health. As such, large quantities of pure trichothecene mycotoxins are necessary for food safety monitoring and toxicological research.
Yong Liu +5 more
doaj +1 more source
Chemical constituents from Wedelia prostrata and their cytotoxicity activity [PDF]
卤地菊(Wedeliaprostrata(Hook.etArn.)Hemsl.)为菊科蟛蜞菊属植物。对蟛蜞菊属植物研究调查表明,其主要含有二萜,倍半萜,黄酮和有机酸等化学成分。二萜尤其是对映-贝壳杉二萜类是蟛蜞菊属植物的主要活性成分,具有抗菌、抗病毒、抗氧化、抗癌、抗血管生成等生物活性。 本文首先用石油醚、乙酸乙酯、正丁醇三种不同极性的溶剂依次对卤地菊的乙醇提取物进行萃取,初步得到三个萃取部位,对卤地菊石油醚部位进行系统的化学成分研究,采用硅胶柱层析、聚酰胺柱层析、葡聚糖凝胶柱层析 ...
林剑虹
core
Supercritical fluid extraction: Recent advances and applications [PDF]
17 páginas, 2 figuras, 5 tablas.Among the different extraction techniques used at analytical and preparative scale, supercritical fluid extraction (SFE) is one of the most used.
Cifuentes, Alejandro +3 more
core +1 more source
The rising consumer demand, paradigm shift in lifestyle, and changing preferences driven by enhanced understanding the connections between food and health have influenced the generation toward plant‐based foods. Underutilized fruits are recognized as the future smart foods, the reservoirs of nutrients, and bioactive compounds with wide therapeutic ...
Snehal Gaikwad +3 more
wiley +1 more source
A silver ion high-speed counter-current chromatography ([Ag+]-HSCCC) was developed to separate and purify five sesquiterpenoids from germacrene A fermentation broth. The solvent system was consisted of n-hexane-methanol-silver nitrate (3 mol/L) solution (
Huanzhu Zhao +12 more
doaj +1 more source
Pedicularis L. Genus. Systematics, botany, phytochemistry, chemotaxonomy, ethnopharmacology, and other [PDF]
In this review, the relevance of the plant species belonging to the Pedicularis L. genus has been considered from different points of view. Particular emphasis was given to phytochemistry and ethnopharmacology, since several classes of natural compounds ...
Bianco, Armandodoriano +13 more
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This review systematically and comprehensively analyzes hawthorn (Crataegus spp.), covering its bioactive constituents, properties, and processed products. ABSTRACT Hawthorn is widely cultivated in China, with excellent varieties and steadily increasing production.
Wenteng Yang +7 more
wiley +1 more source
Phlorotannins are polyphenolic metabolites of marine brown algae that have been shown to possess health-beneficial biological activities. An efficient approach using a combination of high-speed counter-current chromatography (HSCCC) and size exclusion ...
Xuezhen Zhou +4 more
doaj +1 more source
PREPARATIVE ISOLATION AND PURIFICATION OF CHEMICAL CONSTITUENTS OF BELAMCANDA BY MPLC, HSCCC, AND PREP-HPLC [PDF]
Combined with medium-pressure liquid chromatography (MPLC) and preparative high-pressure liquid chromatography (Prep-HPLC), high-speed countercurrent chromatography (HSCCC) was successfully applied for separation and purification of isoflavonoids from the extract of belamcanda.
Xiaohong, Wang +6 more
openaire +2 more sources

