鸡蛋的光学发光特性

М. V. Belyakov
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摘要

相关性。禽蛋的光学光致发光特性可作为孵化过程和食品技术过程的质量指标。在初始阶段,对不同质量和不同蛋壳颜色的食用蛋和孵化蛋的激发光谱和发光光谱特征以及参数进行评估非常重要。研究使用了中国蚕丝蛋和 Hysex 棕色杂交鸡蛋以及鸭蛋、鹅蛋和鹌鹑蛋样品。测量在带有内置软件 "Panorama Pro "的衍射光谱荧光仪 "Fluorat02-Panorama "上进行。获得的光谱特性用于计算能量(积分吸收能力和发光通量、光谱能量)和统计参数(期望值、方差、不对称、峰度)以及斯托克斯偏移。禽蛋的光致发光特性表现在光谱的紫外区。从质量上看,不同种类家禽的光谱相似,但斯托克斯偏移略有不同。受精蛋的光致发光通量是未受精蛋的 2.7 倍,而未受精蛋的光致发光通量差值则小 5.6 倍。深壳和浅壳鸡蛋的发光光谱参数(如不对称性和峰度)差别很大。台蛋的积分能参数是孵化蛋的 2.8-3.1 倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optical luminescent properties of eggs
Relevance. Optical photoluminescent properties of poultry eggs can serve as indicators of their quality both for incubation processes and for food technology processes. At the initial stage, it is important to evaluate the spectral characteristics of excitation and luminescence, as well as the parameters of table and incubation eggs of different quality and with different shell color.Methods. Chicken eggs of Chinese silk and Hysex brown crosses, as well as samples of duck, goose and quail eggs were used for research. The measurements were carried out on a diffraction spectrofluorimeter “Fluorat02-Panorama” with built-in software “Panorama Pro”. The obtained spectral characteristics were used to calculate the energy (integral absorption capacity and luminescence flux, spectrum energy) and statistical parameters (expectation, variance, asymmetry, kurtosis), as well as the Stokes shift.Results. Photoluminescent properties of poultry eggs are manifested in the ultraviolet region of the spectrum. Qualitatively, the spectra of different species of domestic birds are similar with a slight difference in the Stokes shift. For fertilized chicken eggs, the photoluminescence flux is 2.7 times greater than that of unfertilized eggs, while the spread of values for unfertilized eggs is 5.6 times less. Spectrum parameters such as asymmetry and kurtosis differ significantly for the luminescence of dark and light-shell chicken eggs. For table eggs, the integral energy parameters are 2.8–3.1 times greater than those of incubation eggs.
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