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Near-infrared quality control method for rapidly detecting pollen typhae charcoal processing in real time

A technology of real-time detection and quality control methods, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of accuracy and test efficiency that need to be further improved, and meet the needs of stability and recognition accuracy. The effect of high and broad application prospects

Pending Publication Date: 2021-02-26
NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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Problems solved by technology

However, the accuracy and test efficiency of this method need to be further improved.

Method used

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  • Near-infrared quality control method for rapidly detecting pollen typhae charcoal processing in real time
  • Near-infrared quality control method for rapidly detecting pollen typhae charcoal processing in real time
  • Near-infrared quality control method for rapidly detecting pollen typhae charcoal processing in real time

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Experimental program
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Embodiment

[0043] 1. Preparation and collection of processed products: Raw Puhuang was purchased from Tongzhou, Nantong, with batch number 20180820, and was identified as pollen of Typha orientalis Presl by the School of Pharmacy, Nanjing University of Traditional Chinese Medicine. Under the guidance of senior processing experts and on the basis of previous processing technology research, 45 batches of fried charcoal samples, 82 batches of puhuang charcoal, 66 batches of puhuang charcoal samples, and a total of 193 batches of puhuang charcoal processed products were prepared.

[0044] 2. The Fourier transform near-infrared spectrum of the collected samples: take 5g of 193 batches of puhuang processed products (passed through the No. 7 sieve), and put them in the quartz sample cup, the number of scans is 32 times, and the resolution is 8cm -1 , spectral range 12000~4000cm -1 , tested at 22-27°C, 60% humidity environment, each sample was measured three times, and the average spectrum was t...

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Abstract

The invention belongs to the technical field of decoction piece detection. The invention particularly relates to a near-infrared quality control method for rapidly detecting pollen typhae charcoal processing in real time by using a gradient discrimination method. The method comprises the following steps: (1) preparing and collecting a sample and acquiring spectral data of the sample in two modes;(2) preprocessing the spectral data, and determining characteristic spectrum segments of different acquisition modes; and (3) establishing a qualitative identification model by adopting a gradient identification method. According to the method, the pollen typhae charcoal processing quality is objectively, rapidly, simply, conveniently and digitally evaluated by utilizing a near-infrared analysis method based on a gradient discrimination method for the first time; and a basis is provided for production and quality supervision of the pollen typhae charcoal decoction pieces.

Description

technical field [0001] The invention belongs to the technical field of detection of decoction pieces, and in particular relates to a near-infrared quality control method for rapid and real-time detection of processed puhuang charcoal by using a gradient discrimination method. Background technique [0002] Cattail cattail is the dried pollen of cattail cattail, oriental cattail or plants of the same genus. Mainly produced in Zhejiang, Jiangsu, Shandong, Anhui, Hubei. In summer, the yellow male inflorescences on the upper part of the cattail sticks are harvested, dried and rolled, and the pollen is sieved. Puhuang is sweet in taste and flat in nature, has the effect of removing blood stasis, stopping bleeding and treating stranguria. It is clinically used for cardiovascular diseases, gynecological diseases, fundus hemorrhage, skin diseases and urinary system diseases. Puhuang mainly contains flavonoids, organic acids, steroids, polysaccharides, etc., which can regulate the b...

Claims

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Application Information

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IPC IPC(8): G01N21/359
CPCG01N21/359Y02E50/10
Inventor 包贝华高明亮王天舒陈佩东张丽姚卫峰曹雨诞程芳芳单鸣秋于生
Owner NANJING UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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