One reason to decant in order to use pour your wine without disturbing the sediment, so glasses can be more easily poured later.
To the extent that possible, you need to keep your wine clear of just about any regarding light, whether sunlight or light coming from a lamp. https://objectstorage.ap-singapore-1.oraclecloud.com/p/UfJ2tXraUaHCaz4qoy8NHXfRIO0M18JorjmcbudQNvlO_TsxaLK5IimuZkNK5MWX/n/axqjqojndoew/b/Ruou-tay/o/Hoa-minh-vao-the-gioi-Jagermeister:-Su-ket-hop-doc-dao-giua-nguyen-lieu-tot-nhat-va-nghe-thuat-pha-che..docx.html