DietQuest for Food and Beverage Analysis Cecil Instruments offer three DietQuest spectrophotometers fully pre-programmed for both food and beverage analysis. Methods include single and multi-wavelength measurements and spectral scanning. All the pre-programmed methods are defined by national and international bodies and trade associations including the following: AACC AOAC ALVA APA ASBC BS-EN CAA DIN FDA FIL-IDF GudRI IFU IOB IOCCC ISO MAFF MEBAK NEW NF OIV OJEC