SIO IAM CHAN | Macao
SIO IAM CHAN
The Chinese medicines used in food therapy often contains sulfite preservatives, which is harmful to our health. Therefore, we try to reduce the content of sulfur dioxide by soaking in water with waste eggshells. For our research, we use two methods, Steam Distillation and Centrifuge Separation. Finally, we find that utilizing eggshells is effective and environmentally friendly.