Exogenous Thiamin Application Enhances Betalain Production, Bioactive Compound Accumulation and Physiology Performance in Celosia argentea L. var. cristata
(1) Background: Natural pigments and bioactive compounds have attracted increasing interest as sustainable alternatives to synthetic colorants in food and industrial applications. This study evaluated the effects of foliar-applied thiamin (vitamin B1) on the physiological, growth, and biochemical responses of Celosia a...