Characteristic peaks of blank and seaweed polysaccharide loaded orange oil nanoemulsion.
| Frequency | Blank orange oil | Seaweed polysaccharide loaded orange oil nanoemulsion | ||
|---|---|---|---|---|
| Bond | Functional groups | Bond | Functional groups | |
| 3360 | O–H stretch | Alcohol | O–H stretch | Alcohol |
| 2966.52 | O–H stretch | Carboxylic acids | ||
| 2922.16 | O–H stretch | Carboxylic acids | ||
| 1641.42 | –C C–stretch | Alkenes | ||
| 1637.56 | N–H bend | Primary amine | ||
| 1438.90 | C–C stretch | Aromatics | ||
| 1249.94 | C–N stretch | Aromatic amines | ||
| 1097.50 | C–N stretch | Aliphatic amines | ||
| 1010.70 | C–O stretch | Alcohols, carboxylic acids, esters, ethers | ||
| 948.98 | O–H stretch | Carboxylic acids | ||
| 885.33 | C–H stretch | Aromatics | ||
| 790.81 | C–Cl stretch | Alkyl halides | ||
| 538.14 | C–Br stretch | Alkyl halides | ||