Chemical compounds that occur naturally in plants | Contact experts in Phytochemistry to get answers
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Questions related to Phytochemistry
I recently received these cells as a gift from one of my colleagues. I wish to use these in my research which is on anticancer activity of some cyanobacteria species. I couldn't find any broad...
12 July 2021 3,228 2 View
I am using the concept of plant functional traits (Cornellisen et al., 2003) in a paper. Considering descriptions for whole plant traits (life history; life form; growth form; plant height;...
25 February 2021 7,061 5 View
I have found an old pharmaceutical research from 1833 in which emetic power of Cucumis melo roots was confirmed. I cannot find data about chemical constituents of the Cucumis melo roots. Their...
31 October 2020 3,759 3 View
Spectrophotometric determination of total alkaloids with bromocresol green method. The BCG can reat with a certain class of alkaloids ( that have nitrogen inside structure) and amine or amid...
19 August 2020 8,293 3 View
my target to isolate alkaloids from plant leaves, as phytochemistry of plant reported for some alkaloid derivatives , so please guide me.
02 August 2020 7,531 15 View
I have an open question that is not often asked, as a biochemist I'm working on phytochemistry field and have from time to time problems to solve, sometimes trying to solve a problem may lead to...
01 October 2019 6,499 4 View
I am writing a review of the herbal plants which requires to elaborate the phytochemistry information. I just wonder if there is any easier way to know which chemical compound belongs to which...
25 September 2019 7,995 3 View
Retention Index in the range of numbers such as 14.66-48.50 Kovat's retention Indices in the range of numbers such as 994-1723
25 September 2019 7,187 3 View
I tried yesterday the Shinoda Test for flavonoids. I followd the protocol. I extracted direct from the yellow flower Tithonia sp with ethyl acetate, later I evaporated and ressolubilized with...
19 June 2019 1,218 3 View
The plant is already known as anti-cancerous, but the biochemical study has not been done. However the active compound, from the plant has been researched already to find anti-cancerous activity...
14 June 2019 574 5 View
Hello I am a doctoral student I work in phytochemistry, I have results UPLC-MS but I found difficulties in the interpretation of the results. Here is an example of a chromatogram obtained. thanks...
16 January 2019 8,385 4 View
I performed the polyphenol oxidase activity assay from certain mycelia extracts using pyrogallol as susbtrate. I have the absorbance values but am facing the problem in determining the enzyme...
06 August 2018 309 1 View
I have UPLC-TQD, GC-MS, AAS, UV, IR etc instruments. Kindly suggest me latest problems in the field of phytochemistry for fifteen students (M.Sc. analytical chemistry).
14 June 2018 4,709 5 View
I was doing partitioning in the field of pythochemistry. I dried my butanol layer over sodium sulfate, rotovap and freeze dried the butanol layer on the lyophilizer. However I suspect there may be...
01 June 2018 5,017 2 View
My plant extract could dissolve only in DMSO. I tried with different concentrations of DMSO. But it is difficult to dissolve. So can I able to make different concentrations from less concentrated...
12 February 2018 2,535 11 View
Maceration of plant material in distilled water at room temperature (30°C) for 24 hours? or Maceration of plant material in distilled water at 4°C for 24 hours?
15 January 2018 2,060 8 View
Can anyone help me step wise calculation for determination of total phenolic contents in Plant extracts? Given the following: 5mg/50ml (5mg plant extract was dissolved in 50ml Methanol) and 300...
20 October 2017 6,584 5 View
Generally, which solvent gives best results for a plant extract (larger zone of inhibition) against E. coli? Ethanol or Methanol?
26 September 2017 9,700 21 View
Lets say 95% Ethanol or 95% Acetone?
17 September 2017 8,775 13 View
Plant is having abundant amount of mucilage. So the extract is resemble to tar. It is difficult to dissolve it for the chemical reactions using different concentrations.I tried with the same...
05 August 2017 1,299 8 View
Previously, phytochemicals test were done to analyse the chemical nature /types but now the quantity is less to use. So need any feasibility details available on instrument.
27 July 2017 6,557 12 View
Dear all experts and Researchers, I need your valuable suggestions to choose a precise topic for post-doc. Actually i have successfully done research work on all the possible utility aspect of...
27 July 2017 3,159 3 View
I need to study the anti-inflammatory activity of the crude Mtanolic extracts . What is the method?
26 July 2017 4,398 6 View
hypericin has polar character and hyperforin has nonpolar attributes. I expect to extract these medicinally important compounds from a plant called hypericum
25 July 2017 8,809 3 View