1. Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Sumedang 45363, Indonesia
2. Department of Medical Laboratory Technology, Poltekkes Kemenkes Pontianak, Pontianak 78124, Indonesia
3. Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia