Formulasi Tablet Hisap Ekstrak Teh Hijau (Camellia sinensis L. Kuntz) dengan Penambahan Vitamin C atau Ekstrak Biji Anggur (Wtis vinifera L.) dan Uji Aktivitas Antioksidannya
Abstrak
Telah dilakukan fomiulasi tablet hisap dengan bahan aktif utama: A) ekstrak teh hijau; B) ekstrak teh hijau dan natrium askorbat; C) ekstrak teh hijau dan ekstrak biji anggur, Aktivitas antioksidan tablet hisap dibandingkan dengan aktivitas bahan baku aktif. Tablet hisap diuji karakteristik Hsik, uji kesukaan (nilai hedonik), uji disolusi, dan uji stabilitas dalam penyiinpanan. Uji karakteristik fisik menunjukkan bahwa tablet hisap memenuhi ketentuan-ketentuan Farmakope Indonesia IV Penetapan aktivitas antioksidan tablet hisap dengan metode DPPH memberikan nilai IC50 formula A, B, dan C masingmasing adalah 844,04 µg/mL, 221,80 µg/ml., dan C 57,4 µg/mL. sementara nilai ICM) ekstrak teh hijau, natrium askorbat, dan ekstrak biji anggur masing-masing adalah 4,29 µg/ml., 12,95 µg/mL, dan 1.96 µg/mL. Pengujian stabilitas dipercepat dilakulcan berdasar kadar EGCG dengan KCKT yang kemudian dihitung menggunakan persamaan Arrhenius menunjukkan bahwa waktu simpan formula A, B, dan C masing-masing adalah 2,11 tahun; 1,87 tahun dan 2,73 tahun_ Hasil menunjukkan bahvva tablet hisap mengandung ekstrak teh hijau dan ekstrak biji anggur (formula C) aclalah tablet hisap yang terbaik.
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