近红外光谱技术快速测定牛大力提取过程中的多糖含量

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【中图分类号】R284.2 【文献标志码】A 【文章编号】1007－8517（2026）04－0054-08

DOI：10. 3969/j. issn.1007 -8517.2026. 04. zgmzmjyyzz202604010

RapidDeterminationofPolysaccharide ContentintheExtractionProcessof Millettia speciosa Champ by Near Infrared Spectroscopy

LI Jinfeng TANG WenyiWU Jinxia WEI JinbinSU Zhiheng LIANG Yonghong Pharmaceutical College，Guangxi Medical University，Nanning 53OO21，China

Abstract：ObjectiveRapidquantitativeanalysisofpolysaccharideintheextractionprocessofMilettaspeciosa Champ（MS）usingnearinfraredspectrosopyMethodsThenear-infraredspectraof9OextractsofMSwerecolectedusingaportableear-fraredspectrometer，ndthecontentofpolysahrideasdeterindbyultravioletisiblespectropotometryBasedonteoigialand preprocessedspectra，thefull-spectrumpartial leastsquare（Full-PS），thebackward intervalpartialleastsquare（Bi-PS）and thesupportvectormachineregresion（SVR）wereusedtoestablishaquantitativecalibrationmodelforthepolysaccharidecontentof MS，respectively. Results The correlation coefficient of prediction （ RP ）of the optimal Full -PLS，Bi-PLS，and SVR models for polysaharidequantfcationwere0.8942，0.9307，and0.9439，respectively，andtheresidualpredictivedeviation（RPD）were 2.07，2.31，and2.55，respectively.ConclusionThepredictionperformanceoftheestablishedSVRquantitativemodelwasbter thanthatofFull-PLSandBi-PLSmodels，anditcouldrapidlypredictthepolysaccaridecontentintheextractionprocessofMS. The methodhastheadvantagesofeasyoperation，accuracynondestructiveand green，whichcanprovideanew methodreferencefor quality control in the production process of MS.

Keywords：Near-infrared Spectroscopy；Chemometrics；Milettaspeciosa Champ；ExtractionProcess；QuantitativeAnalysis

中药提取是中药生产流程中的关键环节，生产过程中的细微波动均可影响中间体质量，进而波及最终产品的品质。（剩余8003字）