| ABTS | 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) |
| AO | antioxidant activity |
| AR | analytical-reagent (AR)-grade chemicals are chemicals that meet the specifications outlined for analytical applications in laboratories. These chemicals are of high purity, typically exceeding 95 percent, with impurities specified and controlled to ensure accuracy and reliability in analytical procedures. |
| BALB/c 3T3 | Bagg Albino mouse fibroblast cells |
| DDE | dichlorodiphenyldichloroethylene |
| DDT | dichlorodiphenyltrichloroethane |
| DMEM | Dulbecco’s Modification of Eagle’s Medium |
| FA | fulvic acid |
| FBS | foetal bovine serum |
| HA | humic acid |
| HaCaT | human adult low-calcium high-temperature keratinocytes (HaCaT cells) |
| LOI | loss on ignition |
| NRU | neutral red uptake |
| OECD | Organisation for Economic Co-operation and Development |
| PBS | phosphate-buffered saline |
| SCCS | Scientific Committee on Consumer Safety |
| TAS | total antioxidant status |
| TOC | total organic carbon |
| TPC | total polyphenolic content |