Iced black tea ingredients list:

Purified water, white sugar, citric acid, black tea powder, sodium citrate, refined salt, vitamin C, caramel color, edible essence.

There are phenolic substances in black tea powder: also known as tea polyphenols, tea tannins and tea tannins. The content of phenolic compounds in black tea is about 20-30%. Catechins are the most important components, accounting for 70%.

Catechin has powerful and rich health-care functions, and it is the main therapeutic force of black tea. Experiments show that it has the effects of preventing arteriosclerosis, resisting radioactive substances, diminishing inflammation and sterilization, astringing and stopping bleeding, detoxifying, delaying aging, resisting cancer, lowering blood fat, lowering blood sugar and lowering blood pressure.

Household drug disinfection method:

1) Toilets, toilets and garbage can be disinfected with 3% bleaching powder or 2% sodium chlorate supernatant, so they should be soaked 1 hour; The patient's vomit and excrement were fully mixed with 1%-20% bleaching powder and placed for 2 hours.

2) The floors, doors, windows, furniture, toys, transportation tools, etc. of houses can be disinfected by spraying or rinsing with 0.2%-0.5% peracetic acid; Spray at a rate of 0.75- 1 g/m3, and then seal for 30 minutes for fumigation. It can be used to disinfect the surface and air of living rooms and exposed articles.

3) The hands of patients' families and contacts can be soaked in 0.2% peracetic acid solution for 2 minutes, or washed several times with soap and running water.

4) Clothes, bedding, books, newspapers, experience sheets, medical records, RMB, etc. can be fumigated with formaldehyde 100 ml/m3 12-24 hours.

As for the commercial Youanjing (Xiexiaojing), tableware 333 and hepatitis 84 disinfectant, they are all chlorine-containing disinfectants and can be used according to the instructions.