Sharpless K E, Schiller S B, Margolis S A, Thomas J B, Iyengar G V, Colbert J C, Gills T E, Wise S A, Tanner J T, Wolf W R
National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
J AOAC Int. 1997 May-Jun;80(3):611-21.
In 1996, the National Institute of Standards and Technology (NIST) released Standard Reference Material 1846 (Infant Formula), which can be used as a control material for assigning values to in-house control materials and for validating analytical methods for measurement of proximates, vitamins, and minerals in infant formula and similar matrixes. The SRM was manufactured by preparing a spray-dried formula base containing fat, protein, carbohydrates, and minerals and then combining that formula base with a dry-blend vitamin premix that supplied the vitamins. The Certificate of Analysis for SRM 1846 provides assigned values for concentrations of proximates (fat, protein, etc.), vitamins, and minerals for which product labeling is required by the Infant Formula Act of 1980 and by the Nutrition Labeling and Education Act of 1990. These assigned values were based on agreement of measurements by NIST and/or collaborating laboratories. Certified values are provided for vitamins A (trans), E, C, B2, and B6 and niacin. Noncertified values are provided for solids, ash, fat, nitrogen, protein, carbohydrate, calories, vitamin D, delta-tocopherol, gamma-tocopherol, vitamin B1, vitamin B12, folic acid, pantothenic acid, biotin, choline, inositol, calcium, phosphorus, magnesium, iron, zinc, copper, sodium, potassium, and chloride. Information values are provided for iodine, manganese, selenium, and vitamin K.
1996年，美国国家标准与技术研究院（NIST）发布了标准参考物质1846（婴儿配方奶粉），它可用作内部对照物质赋值的对照品，也可用于验证婴儿配方奶粉及类似基质中测定近似养分、维生素和矿物质的分析方法。该标准参考物质通过制备一种含有脂肪、蛋白质、碳水化合物和矿物质的喷雾干燥配方基质，然后将该配方基质与提供维生素的干混维生素预混料混合来制造。SRM 1846的分析证书提供了1980年《婴儿配方奶粉法》和1990年《营养标签与教育法》要求产品标签标注的近似养分（脂肪、蛋白质等）、维生素和矿物质浓度的赋值。这些赋值基于NIST和/或合作实验室测量结果的一致性。维生素A（反式）、E、C、B2、B6和烟酸提供了认证值。固体、灰分、脂肪、氮、蛋白质、碳水化合物、卡路里、维生素D、δ-生育酚、γ-生育酚、维生素B1、维生素B12、叶酸、泛酸、生物素、胆碱、肌醇、钙、磷、镁、铁、锌、铜、钠、钾和氯提供了非认证值。碘、锰、硒和维生素K提供了信息值。
