V-Labs, Inc. manufacture carbohydrates, polysaccharides, and glycosidic enzymes used in research in the food, biochemical, and pharmaceutical industries, as well as in universities and research institutions. The firm has utilized membrane separations in the isolation of natural polysaccharides and have developed molecular weight standards of these polysaccharides. The membrane methodologies have been developed for their own product line, as well as in consultations for industrial customers. The firm offer analytical service for carbohydrates and polysaccharides, including gas chromatography, high performance liquid chromatography, ultraviolet and infrared spectroscopy. They also determine residual solvents and off-flavors in oilseed products, feeds,packaging materials, and plastics. They have studied extensively the development of rancidity in oils and oil-containing products such as nuts and grains.