Effect of Moisture Sorption Behavior on Color Quality of Cassia Alata Leaves Norawanis Abdul Razak, Abdul Razak Shaari, Nur Ain Mohd Shariff and Lee Yit Leng MATEC Web Conf., 97 (2017) 01060 Published online: 01 February 2017 DOI: 10.1051/matecconf/20179701060