"Food additive" means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.

食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。

youdao

Drying is one of man's oldest methods of food preservation. It is a process copied from nature; we have improved certain features of the operation.

干燥是人类保藏食品最古老的方法之一。

youdao

At the same time, the strong heat preservation function of the flameout reboiler makes it easy for you and your family to have fresh and hot food anytime you back home.

同时熄火再煮锅超强的保温功能，让你和家人无论何时回家，都可以吃上香喷喷、热腾腾的营养美味。

youdao

It includes the craftsmanship and production of traditional receptacles for the transport, preservation and consumption of food, including ceramic plates and glasses.

UNESCO: Mediterranean diet

"There are a lot of products out there that use tricky wording so you believe it's whole grain when it's not, " says Cynthia Harriman, director of food and nutrition strategies at the Whole Grains Council, a subsidiary of the nonprofit food advocacy group Oldways Preservation Trust.

CNN: Don't be afraid of the dark -- whole grains explained