Fresh juice preservation methods without any additives

Hi I am planning to make juice by cold press methods so please recommend some preservation techniques so I can preserve that juice for at least 10 - 15 days it should be cost effective.

Please can you mention the fruit name

Cane juice

Clean label additive free processing with long shelf life is by by high pressure processing but with higher capital investment
https://www.tandfonline.com/doi/full/10.1080/23311932.2019.1568725

It may citrus fruits and tropical