Aktivitas Antioksidan dan Antidiabetes In Vitro Ekstrak Air Kulit Batang Kayu Manis (Cinnamomum burmannii) Asal Kota Jambi: In Vitro Antioxidant and Antidiabetic Activities of Aqueous Extract of Cinnamon Bark (Cinnamomum burmannii) from Jambi - Maulana, Farhan (Departemen Biologi, Institut Pertanian Bogor, 2022)