CN111289442A - 一种基于色度学原理的花鹿茸片规格的识别方法 - Google Patents

一种基于色度学原理的花鹿茸片规格的识别方法 Download PDF

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CN111289442A
CN111289442A CN201811483888.3A CN201811483888A CN111289442A CN 111289442 A CN111289442 A CN 111289442A CN 201811483888 A CN201811483888 A CN 201811483888A CN 111289442 A CN111289442 A CN 111289442A
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张晶
何晓凤
王露露
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Abstract

本方法涉及药物分析领域,特别是涉及一种基于色度学原理的花鹿茸片规格的识别方法,具有区分不同商品规格的花鹿茸片的特点。此方法通过对花鹿茸片的几种常见规格的颜色数值测定,有效地解决了不同规格鹿茸片识别困难的问题。根据权利要求1所述的一种基于色度学原理的鹿茸片识别方法,其特征在于:包括1).以WSF分光测色仪测定不同生长时间的4种规格花鹿茸片L*、a*和b*值;2).计算不同生长时间的4种规格花鹿茸片L*、a*和b*占色度总和比例;3).计算不同生长时间的4种规格花鹿茸片L*、a*和b*之间相互比值;4).对4种规格花鹿茸片L*a*b*,L*、a*和b*占色度总和比例以及L*、a*和b*之间相互比值进行差异性分析,根据这三项数据以区分不同生长时间的4种规格花鹿茸片。

Description

一种基于色度学原理的花鹿茸片规格的识别方法
技术领域
本方法涉及药物分析领域,特别是涉及一种基于色度学原理的花鹿茸片规格的识别方法。
背景技术
颜色一直是中药性状分析及质量评判的标准之一,每种中药材都有其各自的标准颜色,颜色鲜明纯正,其质量和疗效越佳。如:黄柏以颜色鲜黄为优,丹参以砖红色为优,乌梅以乌黑者为优;然而仅通过传统目视法对药材颜色和品质进行主观评价,往往有失真实性。利用仪器对物质颜色进行无损、快速测定,并对颜色数值进行量化分析,可以使我们对产品的评级更加准确。此法克服了肉眼判断误差大,导致颜色评价结果可信度较低的问题。
现有技术介绍:在目前的大多数研究中,将颜色分析应用于中药的研究不在少数;如:通过测定和分析陈皮与广陈皮两种颜色参数L*值和b*值的差异,可快速有效地区分陈皮和广陈皮。刘红亮等根据厚朴发汗前后显著的色度L和a的差异,实现了发汗和未发汗厚朴样品的鉴别。
发明内容
一种基于色度学原理的鹿茸片种类的识别方法,具有区分不同商品规格的花鹿茸片的特点。此方法通过对花鹿茸片的几种常见规格的颜色数值测定,有效地解决了不同规格鹿茸片识别困难的问题。
本方法是这样实现的:(1)原料预处理过程,(2)鹿茸片颜色测定过程,(3)鹿茸颜色分析过程。
具体实施过程:(1)是将鹿茸从顶端切片,分为:腊片、粉片、血片和骨片,厚度0.2cm,在20℃的温度下烘干,用于颜色测定。(2)鹿茸片颜色测定过程:取鹿茸腊片、粉片、血片和骨片,根据CIELab颜色空间测定L、a、b值,测定10次取平均值。(3)对鹿茸颜色统计分析过程:主要对鹿茸片L*、a*和b*,L*、a*和b*占色度总和比例以及L*、a*和b*之间相互比值进行分析以达到区分不同规格鹿茸片的目的。
材料辅证
表1 不同生长时间鹿茸片颜色范围
Figure 275326DEST_PATH_IMAGE002
表2 不同规格鹿茸片的CIEL*a*b*颜色数据
Figure 750389DEST_PATH_IMAGE004
表3 L*、a*、b* 比例(分别占三色度总和sum比例)
Figure 48620DEST_PATH_IMAGE006
表4 L*、a*、b*相互比值
Figure 188702DEST_PATH_IMAGE008
表5 不同生长时间鹿茸片观察指标之差异性结果(△或A表示)
Figure 771385DEST_PATH_IMAGE010
结果:根据观测指标的差异性结果可以对不同年生的鹿茸片进行区分。
腊片:通过颜色参数L、a、b,及颜色之间相互比值,区分三种不同年生鹿茸。
粉片:分析三种观测指标,可区分出三杈茸与二杠茸、再生茸,而二杠茸和再生茸不易区分。
血片:可分析三种观测指标区分出三种不同年生鹿茸血片。
骨片:分析颜色参数所占总色度和之比,可区分出三杈茸与二杠茸、再生茸,而二杠茸和再生茸不易区分。
(1)参与统计的三种不同生长时间的4类鹿茸片在L*a*b*、占色度总和比例以及相互比值三项数据彼此具有显著性差异,故可以利用L*a*b*等客观数据来标定不同年生鹿茸片, 实现它们的数字化、客观化。
(2)不同生长时间鹿茸片颜色根据特异性数据与其它区分开来。
(3)两两比较结果带有△标志的数据项表示具有统计学差异,A字母不是完全没有差异性的,只是两项颜色特征比较相近,靠单一数据项不能区分开。

Claims (8)

1.一种基于色度学原理的花鹿茸片规格的识别方法,具有区分不同规格花鹿茸片的特点。
2.所述方法按如下步骤进行:原料预处理过程:是将花鹿茸从顶端切片,分为:腊片、粉片、血片、和骨片,厚度0.2cm,在20℃的温度下烘干。
3.鹿茸片颜色测定过程:取鹿茸腊片、粉片、血片和骨片,根据CIELab颜色空间测定L、a、b值,测定10次取平均值。
4.鹿茸片颜色分析过程:主要对鹿茸片L*a*b*,L*、a*和b*占色度总和比例以及L*、a*和b*之间相互比值进行分析以达到区分不同生长时间鹿茸片的目的。
5.根据权利要求1所述的一种基于色度学原理的鹿茸片规格的识别方法,以WSF分光测色仪测定不同生长时间的4种规格花鹿茸片L*、a*和b*值。
6.根据权利要求1所述的一种基于色度学原理的鹿茸片规格的识别方法,计算不同生长时间的4种规格花鹿茸片L*、a*和b*占色度总和比例。
7.根据权利要求1所述的一种基于色度学原理的鹿茸片规格的识别方法,计算不同生长时间的4种规格花鹿茸片L*、a*和b*之间相互比值。
8.根据权利要求1所述的一种基于色度学原理的鹿茸片规格的识别方法,对4种规格花鹿茸片L*a*b*,L*、a*和b*占色度总和比例以及L*、a*和b*之间相互比值进行差异性分析,根据这三项数据以区分不同生长时间的4种规格花鹿茸片。
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