All the fruits samplesused in this study were fresh tangerine citrus (Citrus reticulata) var. Siam Banjar obtained from a single orchard in Sungai Kambat village, Barito Kuala district, South Kalimantan Province, Indonesia, harvested in June-August 2010. Fruits were selected for uniformity in maturity, shape, size (6.0-6.5 cm in diameter), and weight (130-140 g). Fruits used were free of physical damage and infection.