Camellia sinensis (L.) Kuntze [1 ] Cassia sumatrana Roxb. [1 ] Celastrus paniculatus Willd. [1 ] Celtis serotina Planch. [1 ] Celtis sp. [1 ] Rhamnus wightii Wight & Arn. [1 ] Saccharum officinarum L. [1 ] Trema orientalis Blume [1 ]