Oktaviani NMD, Larasati ID, Nugroho AW, Setyaningsih W, Palma M. Ultrasound-Assisted Extraction of L-Tryptophan from Chamomile Flower: Method Development and Application for Flower Parts Characterization and Varietal Difference. Trends Sci [Internet]. 2024Jan.20 [cited 2026Apr.8];21(3):7348. Available from: https://tis.wu.ac.th/index.php/tis/article/view/7348