Chemometrics-assisted ATR-IR spectroscopy for direct quantitation of caffeic acid and rosmarinic acid in Thunbergia laurifolia leaves

by Chaweewan Suwanvecho, Phatharaphisit Suphakijudomkarn, Sukkamol Chinoraso, Pongtip Sithisarn, Piyanuch Rojsanga
Published 2020

Stability evaluations on Thunbergia laurifolia Lindl. leaf extract through HPLC, TLC and free radical scavenging activity analysis

by Chaweewan Suwanvecho, Pongtip Sithisarn, Supavadee Timum, Nidthida Archeepsudjarit, Piyanuch Rojsanga, ปิยนุช โรจน์สง่า
Published 2020

PLS-regression-model-assisted raman spectroscopy for vegetable oil classification and non-destructive analysis of alpha-tocopherol contents of vegetable oils

by Tar Tar Moe Htet, Jordi Cruz, Putthiporn Khongkaew, Chaweewan Suwanvecho, Leena Suntornsuk, Nantana Nuchtavorn, Waree Limwikrant, Chutima Phechkrajang
Published 2022