Keharom, Supachinee, Suchila Techawongstien, Ratana Mahachai, and Saksit Chanthai. “Analysis of capsaicin and dihydrocapsaicin from sweet-to-very hot chilli peppers using an ultrasound-assisted extraction followed by RP-HPLC-PDA”. Asia-Pacific Journal of Science and Technology 20, no. 1 (March 1, 2015): 54–65. accessed December 6, 2025. https://so01.tci-thaijo.org/index.php/APST/article/view/39569.