Infrared spectrum detection method for cubilose
A technology of infrared spectroscopy and infrared spectrometer, applied in the field of identification of bird's nest, can solve the problems of destroying the integrity and uniformity of bird's nest, not suitable for large-scale detection, and easily affected by the environment, etc., and achieves low detection cost, fast detection speed, and data Analyze the effect of simple and fast
Active Publication Date: 2014-07-30
厦门市燕之屋丝浓食品有限公司
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Problems solved by technology
However, the problems of this method are: 1. The KBr method is easily affected by the environment, and the operation is cumbersome during detection, so it is not suitable for large-scale detection; 2. The integrity and uniformity of the bird’s nest will be destr
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Embodiment 1
[0042] Identification of Bird's Nest by Infrared Spectroscopy
[0043] Materials and Reagents:
[0044] Distilled water, test samples: Genuine bird’s nest (East Coast Maoyan), genuine bird’s nest (KUNING SEKAILI), genuine bird’s nest (Maoyan House), genuine bird’s nest (Maoyan Zhongnan District), genuine bird’s nest (Indonesia Maoyan) are all from Xiamen The Entry Inspection and Quarantine Bureau went to Southeast Asia to collect on-site; the adulterated bird's nest was provided by the Xiamen Entry-Exit Inspection and Quarantine Bureau; agar, tapioca starch, gelatin, white fungus and pig skin. All test samples can be purchased in the market.
[0045] instrument:
[0046] Nicolet iS10 infrared spectrometer (Nicolet, USA), electronic balance (accurate to 0.0001 g; Sartorious, Germany), electric heating plate, oven.
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Abstract
The invention discloses an infrared spectrum detection method for cubilose. The infrared spectrum detection method for cubilose is characterized in that infrared spectrum detection is adopted. The infrared spectrum detection method comprises the following steps: pretreating a sample to be authenticated; setting technical parameters, and acquiring the infrared spectrogram of the sample by an infrared spectrometer; judging that whether cubilose is adulterated or not by a peak height ratio value; calculating the ratio of the peak height of an absorption peak close to 1634/cm to the peak height of an absorption peak close to 1037/cm; if the ratio ranges from 0.90 to 1.30, judging the cubilose to be real cubilose. if the ratio is out of the range, then judging the sample is adulterated, and the farther the ratio is away from the range, the lower the content of the real cubilose is, and if an absorption peak of 1037/cm occurs, then the sample can be doped with oil compounds such as pigskin. The infrared spectrum detection method for cubilose disclosed by the invention is used for measuring the total extract in cubilose, simple in pretreatment method, non-toxic, high in detection speed, low in detection cost, capable of keeping the uniformity of sample detection, and suitable for mass cubilose samples of different sources; and moreover, the infrared spectrogram is excellent in reproducibility and high in characteristic.
Description
technical field [0001] The invention relates to the identification field of bird's nest, in particular to an infrared spectrum detection method of bird's nest. Background technique [0002] Infrared Spectroscopy (IR) research began in the early 20th century. Since the advent of commercial infrared spectrometers in 1940, infrared spectroscopy has been widely used in organic chemistry research. Especially with the rapid development of computer technology, it has driven the digitalization of analytical instruments and the development of chemometrics. Chemometric methods have achieved good results in solving spectral information extraction and background interference. The unique characteristics make people pay more attention to the value of near-infrared spectroscopy. The application research of near-infrared spectroscopy in various fields has been carried out one after another. Noteworthy as an independent analysis technique. [0003] In organic molecules, the atoms that make...
Claims
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Inventor 林睿徐敦明郭思立曾琪周昱范群艳黄丹燕
Owner 厦门市燕之屋丝浓食品有限公司
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