Ja ko Fari: Wace irin Naman Alade ce?
Wadatacce
Alade shine mafi naman da aka cinye a duniya (1).
Koyaya, duk da shahararta a duk duniya, mutane da yawa basu da tabbas game da ƙididdigarta daidai.
Hakan ya faru ne saboda wasu sun sanya shi a matsayin jan nama, yayin da wasu kuma suke ganin shi fari ne.
Wannan labarin yana bincika ko naman alade fari ne ko jan nama.
Bambanci tsakanin nama ja da fari
Babban bambanci tsakanin launin nama ja da fari shine adadin myoglobin da ake samu a cikin tsokar dabba.
Myoglobin shine furotin a cikin ƙwayar tsoka wanda ke ɗauke da iskar oxygen don amfani dashi don kuzari.
A cikin nama, myoglobin ya zama babban launin da ke da alhakin launinsa, saboda yana samar da sautin mai haske yayin da yake hulɗa da iskar oxygen (, 3).
Jajayen nama yana da nitsuwa mai girma daga naman fari, wanda shine yake banbanta launukan su.
Koyaya, abubuwa daban-daban na iya yin tasiri ga launin nama, kamar shekarun dabba, nau'in, jinsi, abinci, da matakin aiki (3).
Misali, tsokoki da aka motsa jiki suna da karfin myoglobin mafi girma saboda suna buƙatar ƙarin oxygen don aiki. Wannan yana nufin cewa naman da ya fito daga wurinsu zai yi duhu.
Bugu da ƙari, yin kwalliya da hanyoyin sarrafawa na iya haifar da bambancin launin nama (, 3).
Launin ganye mafi kyau na ɗanyen nama daga naman sa, rago, naman alade, da naman maroƙi ya kamata ya zama jajayen ja, duhun Cherry ja, ruwan hoda-ruwan hoda, da ruwan hoda mai ɗaci, bi da bi. Game da ɗanyen kaji kuwa, yana iya bambanta daga fari-fari zuwa rawaya (3).
TakaitawaMyoglobin shine furotin da ke da alhakin jan jan nama, kuma shi ne babban abin yayin rarraba nama ja da fari. Jan nama yana da ƙwayar mayoglobin fiye da naman fari.
Kimiyyar naman alade
Dangane da ƙungiyar masana kimiyya da hukumomin abinci, kamar su Ma'aikatar Aikin Gona ta Amurka (USDA), naman alade yana matsayin jan nama (1).
Akwai manyan dalilai guda biyu don wannan rabe-raben.
Da farko dai, naman alade ya fi myoglobin fiye da kaji da kifi. Kamar wannan, an sanya shi azaman jan nama duk da cewa ba shi da launi ja mai haske - kuma koda kuwa ya zama da haske idan aka dafa shi.
Na biyu, idan aka ba aladu dabbobin gona, an rarraba naman alade a matsayin dabbobi tare da naman sa, rago, da naman alade, kuma duk dabbobin ana daukar su jan nama.
TakaitawaNaman alade ya fi myoglobin fiye da kaji da kifi. Don haka, ƙungiyar masana kimiyya da hukumomin abinci kamar USDA sun rarraba shi azaman jan nama. Hakanan, an ba aladu rarrabuwa kamar dabbobi tare da sauran dabbobin gona, naman alade ana ɗaukar jan nama.
Kayan naman alade na naman alade
Dangane da al'adar girke-girke, kalmar farin nama tana nufin nama tare da launi mai laushi duka kafin da bayan girki.
Sabili da haka, a cikin magana mai ma'ana, naman alade an rarraba shi azaman farin nama.
Abin da ya fi haka, wani kamfen da Hukumar Kula da Alade ta Kasa ta bullo da shi - shirin da kungiyar USDA ta ke tallata harkar noma - na iya karfafa wannan matsayin (4).
Yaƙin neman zaɓe ya fara ne a ƙarshen 1980s a matsayin ƙoƙari na inganta naman alade a matsayin nama mara kyau, kuma ya zama sananne sosai da taken, “Alade. Sauran nama. ”
Koyaya, ka tuna cewa maƙasudin yaƙin neman zaɓe shi ne ƙara yawan buƙatun masarufi na ƙananan naman alade.
TakaitawaAl'adar girke-girke ta ware naman alade a matsayin farin nama saboda launinsa mai launi, duka kafin da bayan girki.
Layin kasa
Fari da jan nama sun bambanta a cikin adadin myoglobin, furotin da ke da alhakin launin nama.
Jan nama yana da narkakkiyar nama fiye da naman fari, kuma mafi girman abun da ake samu na haifar da launin nama mai duhu.
Kodayake al'adun girke-girke suna daukar naman alade kamar farin nama, nama ne na kimiyya a kimiyance, tunda yana da myoglobin fiye da kaji da kifi.
Bugu da ƙari, a matsayin dabba ta gona, naman alade ana sanya shi azaman dabbobi, wanda kuma ana ɗaukar jan nama.
Wasu yankakken yankakken alade suna kama da kaza, wanda ke haifar da taken, “Alade. Sauran nama. ”