Computer hardware and computer software, recorded for pesticide residue monitoring and checking, provide food cleaning knowledge, provide food nutrition recommendations, safety food channel recommendations; automatic optical detectors, namely, photodiode detectors, CMOS detectors, CCD detectors and turbidity sensors; food analysis apparatus, namely, spectrophotometers, spectrometers and mass spectrometers; chemistry analysis apparatus, namely, for gas chromatography and high performance liqui...