Abstract: A standardized, edible food containing a label for use in the measurement of gastric emptying by the quantification of marker excreted in the breath of the patient and methods of making the same using fluid bed granulation processing.

Abstract: Gastric emptying classification systems, displays, methods for classifying gastric emptying data, methods for treating patients, and methods for developing gastric emptying classification systems are disclosed.

Abstract: Methods for assessing an overall digestive health of a patient are provided, which include administering a breath test that uses a label incorporated into proteins, carbohydrates, and lipids and further incorporating the labeled material into a meal which, when cooked, facilitates the binding of the label material to the solid phase matrix of the meal. Methods for assessing digestive functions of a patient are also provided, which includes concurrently administering a breath test and a scintigraphy test that measure gastric emptying in a stomach.

Abstract: Gastric emptying classification systems, displays, methods for classifying gastric emptying data, methods for treating patients, and methods for developing gastric emptying classification systems are disclosed.

Abstract: A standardized, lyophilized edible food containing a biologically safe stable marker for use in the measurement of gastric emptying by the quantification of marker excreted in the breath of the patient.

Abstract: A standardized, lyophilized edible food containing a biologically safe stable marker for use in the measurement of gastric emptying by the quantification of marker excreted in the breath of the patient.

Abstract: A standardized, lyophilized edible food containing a biologically safe stable marker for use in the measurement of gastric emptying by the quantification of marker excreted in the breath of the patient.

Abstract: A method and apparatus for preparing uniform carbon-13 labeled biomass using a water soluble carbon-13 labeled carbon source, such as a [13C]-bicarbonate or [13C]-carbonate salt, is disclosed. The biomass is prepared in one or more sterile carboys filled with growth medium, in which acidity, oxygen, and biomass density are carefully monitored and maintained. By using a solid, water-soluble [13C]-bicarbonate or [13C]-carbonate salt as the sole carbon source, a biomass is provided which is uniformly and efficiently labeled with carbon-13. This method and apparatus is particularly useful for the growth of an edible carbon-13 labeled algal mass, with Spirulina platensis being a specific alga species. The biomass may be prepared in conformance with FDA current good manufacturing practice regulations, and may be harvested and formed into lyophilized bulk drug powder which may be further processed into various drug product forms which are useful for diagnostic tests or in pharmaceutical compositions.