How can you identify curcumin from FTIR?
This page summarizes the recurring FTIR evidence reported for curcumin, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 18 cited sources
Quick answer
curcumin is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Peak interpretation
Possible materials / groups
| কার্যকরী গ্রুপ | প্রমাণ |
|---|---|
| Amide | 16 |
| Alkyl C-H | 14 |
| Methacrylate | 13 |
| Acetate | 13 |
| Hydroxyl (O-H) | 13 |
| C-O single bond | 9 |
| Carbonyl (C=O) | 9 |
| Methoxy (OCH3) | 8 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of curcumin, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Real-world usage
This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.
Common mistakes
- Calling a material match too early because one famous peak is present.
- Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
- Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.
Verification advice
Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.
Literature behind this page
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আত্মবিশ্বাস 0.9
curcumin
Niu 等 - 2022 - Hyaluronic Acid Micelles for Promoting the Skin Pe DOI: 10.2147/IJN.S372711 -
আত্মবিশ্বাস 0.9
curcumin
Nurjanah 和 Saepudin - 2019 - Curcumin Isolation, Synthesis and Characterization DOI: 10.1063/1.5132492 -
আত্মবিশ্বাস 0.8
curcumin
Jantarat 等 - 2014 - Curcumin-Hydroxypropyl-beta-Cyclodextrin Inclusion DOI: 10.4314/tjpr.v13i8.4 -
আত্মবিশ্বাস 0.8
curcumin
Khalil 等 - 2013 - Synthesis, Characterization, Mossbauer Parameters, DOI: 10.1155/2013/982423 -
আত্মবিশ্বাস 0.8
curcumin
Improvement of Chitosan Films Properties by Blending with Cellulose, Honey and Curcumin DOI: 10.3390/polym15122587 -
আত্মবিশ্বাস 0.8
curcumin
Curcumin encapsulated dual cross linked sodium alginate/montmorillonite polymeric composite beads for controlled drug delivery DOI: 10.1016/j.jpha.2020.07.002 -
আত্মবিশ্বাস 0.7
curcumin
Sadhasivam 和 Nachimuthu - 2020 - Encapsulation and Characterization of Fucoidan-Cur DOI: 10.21786/bbrc/13.11/17 -
আত্মবিশ্বাস 0.7
curcumin
Dhal 等 - 2023 - Formulation and Characterization of Emulgel-Based DOI: 10.3390/gels9060466 -
আত্মবিশ্বাস 0.7
curcumin
Investigation of the Drug Carrier Properties of Insoluble Cyclodextrin Polymer Microspheres DOI: 10.3390/biom12070931 -
আত্মবিশ্বাস 0.7
curcumin
Silva 等 - 2016 - Evaluation of the obtaining method of chitosancur DOI: 10.1590/S1517-707620160003.0054
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