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Questions related from Oumayma Iraqi
I evaluated the antioxydant of ethanolic extract by DPPH. I chose a concentration of 1000 ug/ml and then 2000 ug/ml very high concentractions but no yellow color appeared when adding DPPH. Knowing...
26 July 2023 9,843 6 View
Does drying leaves and stems in a high humidity environment influence the bioactive molecules like flavonoids and polyphenols or no?
13 July 2023 5,151 5 View
Hello researchers, I carried out an extraction with methnol of roots and at the end of the extraction a precipitate has formed. Can anyone explain to me if this is normal? Should I analyse this...
16 June 2023 952 2 View
Hello researchers, Who would like to collaborate in extraction and analysis of extracts from plants ?
14 June 2023 9,065 3 View
Hello to all researchers How can extract polyphenols from the leaves high in chlorophyll. I conducted an extraction from green leaves, I defatted the leaves with haxane and then extracted them...
03 June 2023 9,813 3 View
Hello, Many researchers reported that to extract polyohenols you need first to remove lipids. I don't know why? Knowing that removing lipids can leads to a loss of polyphenols even if the solvent...
10 May 2023 355 5 View
does anyone want to collaborate on the optimization of extractino technique for bioactive compounds from a plant ?
26 April 2023 2,294 2 View
hello I have a methanolic extract. Do I need to derivatize it prior or it's not necessary?
03 July 2022 8,228 6 View
Hello researchers Please can you tell me how can we extract alkaloids from plants? Are the extraction of alkaloids same as polyphenols?
24 May 2022 1,629 4 View
Is somebody here working on sylibum maranum plant we can collaborate together
24 May 2021 739 1 View
I am currently working on phytochimistry I'm looking for some new interested plants that I want to do my research in.
17 May 2021 4,271 5 View
I'm looking for acid-base extraction from plants 📷
15 May 2021 9,395 3 View
