【英语翻译Solvent-extractedoleoresinsexhibitaflavourprofileclosetothefreshlygroundspice,whichmakethemanacceptableformofnaturalflavouringingredientinawidespectrumoffoodapplications.Incomparisontothegroundspices,theyareh】

　　英语翻译

　　Solvent-extractedoleoresinsexhibitaflavourprofile

　　closetothefreshlygroundspice,whichmaketheman

　　acceptableformofnaturalflavouringingredientina

　　widespectrumoffoodapplications.Incomparisonto

　　thegroundspices,theyarehygienicandcanbestandardized

　　foracceptableflavourlevelsbyblending.Unlike

　　theessentialoils,oleoresinscontainnatural

　　antioxidantsofthecorrespondingspices,whichmake

　　themmorestable.Oleoresinsarequiteconcentrated

　　andhavegoodreplacementvalue.Theyprovideabetter

　　distributioninthefinishedproductsandrequireless

　　storagespacethanthecorrespondingspices.However,

　　spiceoleoresinsexhibitsensitivitytolight,heatandoxygen,

　　andhaveshortstoragelivesifnotstoredproperly.

　　Inblackpepperoleoresin,poorstoragelifeisaresultof

　　oxidativeandpolymericchangesinvolvingthefattyoil

　　componentandmonoterpinichydrocarbons(e.g.,

　　a-pinene,b-pinene,limonene,sabineneandD3-carene).

　　Somechemicalandorganolepticchangescanalsooccur

　　intheoleoresinduringprolongedstorage.Destruction

　　ofseveralpigmentsoccursunderexposuretooxygen

　　whereinthehydroxylicgroupsareconvertedintounstable

　　ketones.Theseinturndecomposeintocolourless

　　compoundswithashortercarbonskeleton(Gilbertson,

　　请给出通顺的句子软件翻译的就免谈了