The stability of the yellow pigment from sea buckthorn fruits was investigated. Experimental results showed: the pH had no obviously undesirable effects on the tone of the yellow pigment, and this kind of pigment could be used in acidit or weak a1kaline food; food additives such as glucose, hydrogen peroxide, sodium sulfite, sodium benzoate and metal ions(Na +, Zn 2+ , Ca 2+ )had no effects on the degradation of the yellow pigment; however Cu 2+ and Fe 3+ gave undesirable effects. The yell...