Chemical compounds that occur naturally in plants | Contact experts in Phytochemistry to get answers
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Questions related to Phytochemistry
I took 2 gm tissue and then added 20ml solvent. After that I collected supernatent and then made up volume 25 ml by about 10 ml hexane. I know absorbance reading and A1% value, I am a bit confused...
08 August 2015 3,037 5 View
Please share your ideas on possible methods of free amino acid extraction. Normally we use dil HCl for extraction. I wish to extract from other medium. Can anyone suggest what are the other...
08 August 2015 2,312 10 View
phytochelatins is metal peptide bonds occur due to heavy metal stress, or it is a defence mechanism of plants. my queries is for best possible lab method to determine this pc bond in plant? i need...
08 August 2015 10,094 3 View
I have read few papers about extracting juice from fruits, but extracting juice from leaves is tricky! Anyone who would like to share their experience?
08 August 2015 7,095 6 View
04 August 2015 3,653 10 View
Hi, I am trying to extract and identify the composition of essential oils from hemp inflorescences. I have to run an alkane mixture, but the one available at the lab is from C16-C40. Do you...
21 July 2015 8,462 14 View
the molar extinction coefficient of amentoflavone?
07 July 2015 7,970 3 View
Deacetylation of chitin uses 50% sodium hydroxide (NaOH) with temperature 60C for 12 hour to remove acetyl group from chitin to produce chitosan. From literature review, this method uses soxhlet...
07 July 2015 4,794 4 View
I am looking for a publication wherein HNMR data on sitostanol and mixtures of phytosterols and if possible images of the spectra are discussed. Thanks in Anticipation!!!
07 July 2015 1,562 5 View
I recently came by an article where toluene-ethanol mixture was used in soxhlet extraction. How efficient is this mixture of solvents than using single solvent for extraction?
08 June 2015 3,696 8 View
Can anybody brief about or recommend a good document related to application of whole metabole analysis of certain plant, say for example any asteraceae member through LC/MS? What kind of...
06 June 2015 1,860 0 View
06 June 2015 2,999 8 View
Please tell me if there is any in order to distinguish the spectra of terpenoids and steroids.
05 May 2015 9,722 9 View
How can we prevent froathing during extraction of essential oils by hydrodistillation using clevenger type apparatus?
05 May 2015 3,307 17 View
I just get different Rf for 68Gacl3 on Wattman paper in the presence of normal saline as the mobile phase I appreciated if you help me and tell me if the pH affects the Rf or not and share your...
21 April 2015 3,032 3 View
Kindly suggest me the best way to store my dried plant material for future phytochemical use.
04 April 2015 8,270 6 View
Like 2H6-SA, 2H6-ABA, 2H6-JA, 2H2-JA-Ile and 2H5-OPD
04 April 2015 3,110 3 View
I do understand that, by reviewing the literature we can collect the information about the phytochemicals of the medicinal plants. I am interested to know that, is there any repository or database...
04 April 2015 317 10 View
phytochemistry Does anyone have a protocol for betalain quantification by spectroscopic method from amaranthus spp.?
25 March 2015 9,412 1 View
How to defatting my crude plant (aerial parts) without affecting triterpenoids content in it ? which is solvent is preferred for defatting ?
03 March 2015 6,086 14 View
In Plant chemistry, several methods are employed for extraction of crude extract from plant biomass/tissue, concentration of crude extract to contain certain percentage of class or classes of...
03 March 2015 2,364 11 View
GC and GC-MS methods are widely employed to identify and quantify essential oil components. What are the other methods?
03 March 2015 4,751 36 View
03 March 2015 1,510 1 View
Given plant is found in Dhuliya District of Maharashtra, India.
03 March 2015 4,560 16 View