| Staining solution | Ingredients | Manufacturer | Concentration |
| Coco-based drink (CHO) | Extract of malted barley, maltodextrin, cow milk, sugar, cocoa, palm oil, minerals, vitamin | Milo, Nestlé, Malaysia | 33 g of Milo/200 ml boiling distilled water | Coffee (COF) | Sugar, glucose, syrup, hydrogenated palm kernel oil, instant coffee, skimmed milk powder 4% (cow milk), sodium caseinate (milk protein), salt | Nescafé Blend & Brew™, Nestlé, Malaysia | 20 g of Nescafe/180 ml boiling distilled water | Chinese tea (CHI) | Pu-erh tea leaves | Pu-erh tea (M) SDN BHD, Malaysia | 2 g of pu-erh tea/40 ml boiling distilled water | Milk tea (MT) | Nondairy creamer, sugar, instant tea, stevia leave extract | Teh tarik original, BOH, Malaysia | 27 g of teh tarik/180 ml boiling distilled water | Distilled water | — | Hamilton Laboratory Glass Ltd, UK | As supplied |
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