preserving

verb
  1. 1

    To protect; to keep from harm or injury.

    โ€œEvery people have the right to preserve its identity and culture.โ€

  2. 2

    To save from decay by the use of some preservative substance, such as sugar or salt; to season and prepare (fruits, meat, etc.) for storage.

    โ€œto preserve peaches or grapesโ€

  3. 3

    To maintain throughout; to keep intact.

    โ€œto preserve appearances; to preserve silenceโ€

noun
  1. 1

    Preservation

Source: https://en.wiktionary.org/wiki/preserve, https://en.wiktionary.org/wiki/preserving