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不同品种大丽花花瓣营养及活性成分分析和评价 Title:AnalysisandEvaluationofNutritionalandActiveIngredientsinDifferentVarietiesofDaylilyPetals Introduction: Daylily(Hemerocallisspp.)isapopularornamentalflowerknownforitsvibrantcolorsandwiderangeofvarieties.Besidesitsvisualappeal,dayliliesalsopossessvarioushealthbenefitsduetotheirrichnutritionalandactiveingredientcompositions.Thisstudyaimstoanalyzeandevaluatethenutritionalandactiveingredientspresentindifferentvarietiesofdaylilypetals. Methods: Inthisstudy,fivedifferentvarietiesofdaylilieswereselected,namelyVarietyA,VarietyB,VarietyC,VarietyD,andVarietyE.Petalsfromthesevarietieswerecollectedanddriedforfurtheranalysis.Thefollowinganalyticaltechniqueswereemployedtodeterminethenutritionalandactiveingredientspresent: 1.ProximateAnalysis: Proximateanalysiswasperformedtodeterminethemoisturecontent,crudeprotein,crudefat,ash,crudefiber,andcarbohydratesofthedaylilypetals.Thisanalysisprovidesvaluableinsightsintothenutritionalcompositionofthepetals. 2.MineralAnalysis: Themineralcontentofthedaylilypetalswasdeterminedusingatomicabsorptionspectrophotometry.Theconcentrationsofessentialmineralssuchascalcium,iron,magnesium,zinc,potassium,andsodiumwerequantified.Thesemineralsplayimportantrolesinvariousphysiologicalfunctionsinthehumanbody. 3.VitaminAnalysis: Thevitamincontentofthedaylilypetalswasdeterminedusinghigh-performanceliquidchromatography.VitaminssuchasvitaminC,vitaminE,andvariousBvitaminswereanalyzed.Thesevitaminshaveantioxidantpropertiesandcontributetooverallhealthandwellbeing. 4.PhenolicCompoundAnalysis: Phenoliccompoundswereextractedfromthedaylilypetalsusingmethanolandanalyzedusingspectrophotometricmethods.Thetotalphenoliccontentandspecificphenoliccompoundswereidentifiedandquantified.Phenoliccompoundspossessantioxidant,anti-inflammatory,andanticancerproperties,makingthemhighlydesirableforhumanconsumption. 5.AntioxidantActivity: Theantioxidantactivityofthedaylilypetalswasmeasuredusingvariousantioxidantassays,including2,2-diphenyl-1-picrylhydrazyl(DPPH

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