AS 2300.10.3 Supp 1-1991 nt乳制品行业化学和物理测试的方法．黄油．干酪素、酪蛋白酸盐和共沉淀物．干酪素颜色的评价．未处理和热处理酸析干酪素及湿热处理酶凝干酪素的颜色标准（AS 2300．10．4－1991的补充）
Methods of chemical and physical testing for the dairying industry - Caseins, caseinates and coprecipitates - Assesment of colour of caseins - Colour standards for untreated and heat-treated acid casein and for wet-heat-treated rennet casein (Supplement