What are the forms of caffeic acid?

Caffeic acid is an organic acid found naturally in coffee, edible and non-edible plants and is a pale yellow powder with an orange-red alkaline solution. The solubility of caffeic acid in hot water and cold ethanol is very good, but the solubility in cold water is relatively poor, when the caffeic acid meets the ferric chloride solution will change color, turning dark green.

Different preparation methods of caffeic acid will have corresponding effects on the form of caffeic acid. The caffeic acid obtained from the concentrated aqueous solution is yellow crystalline, while the caffeic acid obtained from the dilute aqueous solution is monohydrate.

When we operate and use caffeic acid, we find that it is irritating to our skin and eyes, and may also cause some harm to the environment. Therefore, when we use caffeic acid, we must strictly abide by the regulations and adopt the correct operation mode and process. At the same time, we should also take corresponding protective measures, such as wearing chemical safety glasses, anti-static work clothes, protective gloves, etc. Do not smoke, wear a gas mask if the level of caffeic acid is high, and wear a self-contained breathing apparatus if a leak occurs.

Caffeic acid has a variety of uses, widely used in medicine, health care products, cosmetics, and other fields, remind everyone to standardize the operation when using caffeic acid, improve the safety of use, to ensure the safety of operators.

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