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      1. ǻƮIՓ

        rg2024-10-12 17:01:49 Փ ҪͶ

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        ֹȃxձu˾B-220ͺˮԡ偣㽭ɽж^ԴxSKS-150Dͳ•ϴxSSHZ-CD ѭhˮʽձã㽭ɽж^ԴxSWFZ-2000ҊֹӋƒx޹˾Shimadzu LC-l0A͸ЧҺɫVxձu˾BS210S ƽMAX=210g d=0.01mg˹ƽ޹˾DHG-9240A늟عL䣺ϺһƼ޹˾XA-1 ͹wCпdxSSK-1ٻ݇A޹˾

        Ʒ1 4ѮڻWԺyӘ䣻Ʒ2 4ѮڻɽyӘƷ3 4ѮBƸۻɽԪmǧyӘƷ4^10ѮڻWԺyӘ䣻Ʒ5^10ѮBƸۻɽyӘƷ6^10ѮBƸۻɽԪmǧyӘ䡣6NƷ~55ظ^Yĥƿ]ܹⱣ档

        ƤɽӘ˜ƷЇˎƷƷbƷؘ˜ƷBiochemika˾DPPH1,1--2-» 1,1-diphenyl-2-picrylhydrazyl Sigma ˾״״}ᡢȾԇˮȥxˮƣ

        2

        2.2 ƷҺƂքeQȡ6NƷ0.8 g100 mlAןƿУ25 ml״/25%}ᣨ41Һ]Qˮԡзv1 hȡsҜQأԼ״apʧ^VD50 mlƿƷҺ16̖

        2.3 ˜ҺղLyքeƤɽӺؘͮ˜ƷƷҺֹȃx200800 nmMВ裬@ղLxԷֹɷָɔ_

        2.4 ɫVlyͨ^ˮͼ״ֵټ_Һxȶĸ׃@ÌƤɽӺͮطxїl

        2.5 ˜ȡ˜ƷҺɫVlքeM2.5510152030 lԷemV/minvYMgMXքeƤءɽӺͮؾԻؚw

        2.6 ƷƤءɽӺͮغyӋȡ2.2ƂĘƷҺ16̖1 mlքeϡ10 mlƿɫVlM15 lyƷƤءɽӵķeA1A2A33ߵĘ˜ؚw˷@MSͪʽƤɽӺͮصĺ

        C=X/15250/mƷ

        ʽУC-ƷSͪĺmg/g

        X-MҺSͪg

        mƷ-Ʒ|g

        2.7 SͪպӋy~к30NSͪҪʽڣֱӜyySͪյĺ^yN̫xyƷ׵@ЩеԪҪƤɽӺͮأͨ^ԪĺٓQɿSͪպƤأquercetinķ302.2ɽӣkaempferolͮأisorhamnetinķքe286.24316.27Ƥ-uƤգ756.7yӌѪϵyҪЧɷ֣ԱЧɷֺyrӋSͪcԪֵȡr=756.7/302.2=2.51Sͪպ=Q+K+I2.51

        QKIքeʾƤɽӺͮصSͪ

        2.8 ؏ԌքeܷQȡƷ3ĩ3ͬėlȡҺxɫVlœye

        ؏ԽfľܶԽ؏һ˜ƫRSDʾyƷM3õeӋ˜ƫ

        2.9 ܶȌ򞾫ȡƷ3ϡҺ15 lɫVlBmM3y÷eӋ˜ƫRSDֵ

        2.10 Әӻʌքeʴ_ȡ֪ĘƷ13̖1 ml310 mlƿƤؘ˜Һ288 g/ml0.1 mlϾ򣬰SͪķMЙzyӋƤصĻ

        3 Y

        򞑪øЧҺɫVyBƸ۵؅^ͬɼy~SͪMƤɽӺͮصĺyõĔ6NƷдժy~Sͪ@^y~ͬgy~3NSͪԪĺl׃ʮy~ƷƤغӶ࣬ɽ^ǧЮغ@ǰԜyYcSͪyYһ£y~@^y~

        ɱ2֪ƤغژƷ10.459%ǘƷ40.362%@ɂƷڻʮyǧy~cy~ĺɽӺژƷ20.191%ǘƷ30.134%f^ƷɽӺSgfpڅغژƷ3ߣ0.240ǘƷ60.194%@ɂƷǧyfغSgfڅݣƷSͪ@ͬN^Ʒ

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