PENGARUH VARIASI WAKTU EKSTRAKSI TERHADAP KADAR SAPONIN TOTAL EKSTRAK AIR AKAR TEBU HITAM (Saccharum officinarum L.) SECARA SPEKTROFOTOMETRI UV-VIS. kjif [Internet]. 2024 Aug. 14 [cited 2026 Oct. 1];9(2):147-5. Available from: https://kjif.unjani.ac.id/kjif/article/view/695