نتایج جستجو برای: total phenolic contents

تعداد نتایج: 887124  

Journal: :Acta poloniae pharmaceutica 2006
Marlena Dudek Irena Matławska Maurycy Szkudlarek

Distribution of phenolic acids in the flowers of Althaea rosea var. nigra has been studied by 2D-TLC and HPLC methods. The phenolic acids occurring in these fractions have been identified as ferulic, vanillic, syringic, p-coumaric, p-hydroxybenzoic, p-hydroxyphenylacetic and caffeic acids. By means of the HPLC methods the contents of major phenolic acids were estimated. From among the phenolic ...

Journal: :Processes 2023

Saffron spices are composed of dehydrated stigmas Crocus sativus L. A large amount bio-residues (stamens, tepals, and stigmas) is generated during the production this spice (~92 g per 100 flowers). These usually discarded losing chance to obtain interesting bioactive compounds from them. In work, we use saffron as possible source natural compounds. Different extraction conditions were applied o...

Journal: :Tropical Journal of Natural Product Research 2021

a peer-reviewed, open access online international journal which publishes original research papers. The welcomes submission from scholars and experts for possible publication all over the world. scope of includes: Pharmaceutical research, chemistry biochemistry naturally occurring compounds, biological evaluation crude extracts, ethnomedicine, traditional complementary medicine, ethnopharmacolo...

Journal: :Agriculture 2022

Since ancient times, honey has been appreciated not only for its sensorial traits, but also the observed effects in rejuvenation and treatment against several bad health conditions, when used externally or internally, along with other beehive products, such as pollen, propolis royal jelly. Today, it is known that are generated by compounds bearing antimicrobial, anti-inflammatory, antioxidative...

Background and purpose: No reports are found on biological activities of Nonea lutea (boraginaceae). The aim of this study was to investigate the antioxidant and antibacterial activities of this plant. Materials and methods: The aerial parts were extracted by three different methods, i.e. meceration (MA), ultrasonic assisted (US), and soxhlet assisted (SO) extractions with methanol. Antioxidat...

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