Analysis of chemical properties and antioxidant activity of sambiloto (Andrographis paniculata nees.) leaf tea formula as a functional drink in preventing coronavirus diseases and degenerative diseases

Abstrak AIM: The purpose of this study was to develop a tea formula of sambiloto leaves, analyzed the chemical properties (polyphenols, tannins, water, extracts in water, total ash, water soluble ash, water-insoluble ash, insoluble acid ash, and water-soluble ash alkalinity) as well as the antioxidant capacity of the formula. METHODS: This research was divided into…