1. Liquid restriction: According to the airline and aviation safety regulations, the liquid carried by passengers must meet certain capacity restrictions. Usually, liquid containers should not exceed 1 ml, and all liquid items should be placed in transparent plastic bags. Prunus mume puree probably exceeded this limit.
2. Food safety: In order to ensure food safety and hygiene during flight, airlines require passengers to carry only approved food in sealed packages. Raw pulp may not meet these requirements, because it may not be able to prove that it has been legally and safely treated and packaged.
3. Risk of liquid leakage: Prunus mume puree is a liquid, and it may leak if it is not properly packaged or sealed. The leakage of liquid may cause damage to luggage, luggage of other passengers and equipment on board. It is recommended that you consult the airline regulations and safety policies of your flight before boarding the plane to understand the specific details of the liquid carrying regulations. If you really need to carry similar food or liquid items, you can consider buying small quantities in sealed packages or buying them at the destination.