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Litaba

Marang-rang a na le lipepe tse ngata tse sireletsang letlalo letsatsing le lihlahisoa tseo u ka li rekang tse bolelang hore oli ea rantipole ke setlolo se sireletsang letlalo letsatsing. Ba bang ba re oli ea peo ea rantipole e na le SPF e phahameng ea 30 kapa 40. Empa na see ke nnete?

Oli ea peo ea rantipole e na le melemo ea bophelo bo botle, empa ho sireletsoa letsatsing ho joalo che ngoe ea tsona. Joalo ka oli ea rantipole, oli ea peo ea rantipole ha e na SPF e tsebahalang, 'me ha ea lokela ho sebelisoa e le setlolo se sireletsang letlalo letsatsing.

Sehloohong sena, re tla shebisisa oli ea peo ea rantipole, 'me re hlahlobe bopaki bo mabapi le tleleime ea eona ea ts'ireletso ea letsatsi.

Oli ea peo ea rantipole ke eng mme melemo ea eona ke efe?

Oli ea peo ea lihoete ke oli ea bohlokoa e ka sebelisoang letlalong, ha e kopantsoe le oli e tsamaisang. E tsoa peong ea semela sa Daucus carota.

Oli ea peo ea rantipole e na le metsoako e fapaneng ea lik'hemik'hale, ho kenyelletsa:

  • carotol
  • alpha-pinene
  • camphene
  • beta-pinene
  • sabinene
  • myrcene
  • gamma-terpinene
  • limonene
  • beta-bisabolene
  • geranyl acetate

Metsoako ea oli ea peo ea rantipole e hlahisa melemo e fapaneng ea bophelo bo botle, ho kenyelletsa:


  • anti-botsofali
  • ho itšireletsa mafung
  • antioxidant
  • Lithibela-mafu
  • antifungal
  • anti-ho ruruha

Hobaneng o sa lokela ho sebelisa oli ea peo ea rantipole e le setlolo se sireletsang letlalo letsatsing

Li-sunscreens tse lokiselitsoeng khoebong hangata li ngotsoe ka nomoro e bonts'ang tšireletso ea letsatsi (SPF). SPF e bua ka nako eo u ka lulang letsatsing pele mahlaseli a UVB a qala ho khubelu le ho chesa letlalo.

Ho sebelisa setlolo se sireletsang letlalo letsatsing se nang le bonyane SPF ea 15, ntle le mehato e meng e sireletsang, joalo ka ho roala katiba e nang le brimm e sephara. Lingaka tse ling tsa dermatologists li khothaletsa ho sebelisa li-SPF feela tsa 30 kapa ho feta.

Ntle le SPF, ho bohlokoa ho sebelisa setlolo se sireletsang letlalo letsatsing se pharaletseng. Sena se bolela hore e sireletsa khahlanong le mahlaseli a UVA le UVB. UVA le UVB ke mefuta e 'meli ea mahlaseli a kotsi a tsoang letsatsing.

Mahlaseli a UVB a baka ho chesoa ke letsatsi. Mahlaseli a UVA a baka litšoantšo, hape a eketsa litlamorao tse bakang mofets'e tsa UVB. Ho fapana le setlolo se sireletsang mahlo letsatsing, thibelo ea letsatsi e sireletsa letlalo la hao mahlaseling a UVB feela.


SPF ea oli ea peo ea rantipole

Kahoo, na oli ea peo ea rantipole e etsa mosebetsi oa setlolo se sireletsang letsatsi se phahameng sa SPF? Leha thuto ea 2009 e boletse hore e na le eona, karabo ke che.

Phuputso e phatlalalitsoeng ho Makasine ea Pharmacognosy, e lekile litlolo tse sireletsang letsatsing tse 14 tse sa boleloang ka lebitso, tse rekiloeng ke morekisi a le mong ea lulang Raipur, Chhattisgarh, India.

Lethathamo la metsoako ka botlalo ea setlolo se sireletsang letlalo letsatsing ka leng ha lea senoloa. Ka lebaka lena, ho ke ke ha khoneha ho tseba hore na ke sesebelisoa sefe se hlahisitseng phello ea SPF.

Boithuto bona bo bonyenyane haholo hape bo ne bo sa hlakise hore na ke mofuta oa oli ea rantipole e sirelitsoeng ke li-sunscreen, e e thathamisang feela joalo ka Daucus carota. Oli ea lihoete, eo e leng oli e tsamaisang koloi eseng oli ea bohlokoa, e na le bokhoni bo fokolang ba ho sireletsa letlalo letsatsing. Leha ho le joalo, ha e na SPF e tsebahalang mme ha ea lokela ho sebelisoa e le setlolo se sireletsang letlalo letsatsing.

Ha ho SPF e tsebahalang

Joalo ka oli ea rantipole, oli ea bohlokoa ea peo ea rantipole ha e na SPF e tsebahalang, 'me ha ea lokela ho sebelisoa e le setlolo se sireletsang letsatsi.

Ha ho na lithuto tse ling tse bonts'ang oli ea bohlokoa ea oli ea rantipole kapa oli ea rantipole e fana ka tšireletso e kholo letsatsing.


Oli ea peo ea rantipole e sebelisoang e le mongobo lihlahisoa tsa khoebo tse sireletsang letsatsing

Ho eketsang pherekano ho bareki e kanna ea ba palo ea lihlahisoa tse nang le oli ea peo ea rantipole e le sesebelisoa. Lihlahisoa tsena hangata li kenyelletsa oli ea peo ea rantipole bakeng sa melemo ea eona ea ho nosetsa, eseng matla a eona a ho itšireletsa khahlanong le mahlaseli a UVA le UVB.

Na oli ea peo ea rantipole e ka sebetsa joalo ka oli ea letlalo?

Kaha oli ea peo ea rantipole ke oli ea bohlokoa, e ke ke ea sebelisoa letlalong la hao ka botlalo. Joalo ka lioli tsohle tsa bohlokoa, oli ea peo ea rantipole e tlameha ho tsoakoa le oli pele e sebelisoa ka lihlooho. Ka lebaka lena, e ke ke ea sebelisoa e le oli ea ho tima.

Lioli tsa ho sesa, ho kenyelletsa le tse nang le li-SPF, li hohela mahlaseli a letsatsi a UVA letlalong la hao. Batho ba bang ba li sebelisa ho leka ho sotha ka polokeho, empa ha ho na mokhoa oa ho fumana letlalo le bolokehileng. Ho pepeseha hohle ha letsatsi ho sa sireletsoeng ho ka baka mofetše oa letlalo le ho tsofala ha letlalo ha nako e ntse e tsamaea.

Lioli tse ling tsa ho qhibilihisa letlalo le li-accelerator tsa ho qhibilihisa letlalo li thathamisa oli ea peo ea rantipole e le sesebelisoa, empa e teng ho kokobetsa letlalo, eseng ho e sireletsa letsatsing. Lihlahisoa tsena li ka kenyelletsa oli ea rantipole, e atisang ho ferekanngoa le oli ea peo ea rantipole.

Oli ea peo ea rantipole e tšeloa peo ea semela sa Daucus carota, athe oli ea rantipole e entsoe ka lihoete tse silakantsoeng.Ka linako tse ling oli ea rantipole e sebelisoa e le sesebelisoa sa lioli tsa letlalo e le letheba la letlalo, hobane e ka eketsa boronse kapa 'mala oa lamunu letlalong.

Na ho na le li-sunscreen tsa tlhaho tse ka sebetsang sebakeng sa tsona?

Ho se ho fetile lilemo tse mashome a 'maloa ho tloha ha Tsamaiso ea Lijo le Lithethefatsi (FDA) e fana ka litataiso tse ncha tsa polokeho ea setlolo se sireletsang letlalo letsatsing. Haufinyane tjena ba ile ba etsa tlhahiso ea melaoana e mecha e bontšang hore litlolo tsa letsatsi tse sa sebeliseng mafura tse nang le zinc oxide kapa titanium oxide ke tsona feela tse nang le boemo ba GRAS (boo ka kakaretso bo nkoang bo sireletsehile). Lisebelisoa tsena ka bobeli ke liminerale.

Le ka oxide ea zinc le titanium oxide ho na le lik'hemik'hale, li-sunscreen tse nang le tsona hangata li bitsoa tsa tlhaho, kapa tsa 'mele. Hona ho bolela hore metsoako ha e phunyeletse letlalong empa e thibela letsatsi ka ho lula holim'a letlalo.

Li-sunscreen tsa tlhaho tse nang le liminerale li fana ka li-SPF tse fapaneng, joalo ka ha ho bontšitsoe lebokoseng la tsona. Li fapane le DIY le li-sunscreen tse ling tse entsoeng ka lioli, maro, kapa lero la litholoana, hobane tsena ha li fane ka tšireletso letsatsing.

FDA e ntse e rera ho fana ka melao e meng bakeng sa litlolo tse sireletsang mahlo letsatsing le lik'hemik'hale hamorao selemong sena, kamora hore ba hlahlobe metsoako e 12 ea setlolo se sireletsang letlalo letsatsing, ho kenyeletsoa le oxybenzone. Sehlopha sa III se bolela hore ha ho na data e lekaneng ea mahlale e ka supang hore na li bolokehile ho sebelisoa kapa che.

Ho theoha ha oxybenzone

Oxybenzone e fumanoe metsing a lefatše, le ho soeufala ha mafika a likorale le lefu la likorale. E boetse e kenelletse letlalong, 'me e fumanoe ka amniotic fluid, lero la mali, moroto le lebese la motho.

Oxybenzone hape ke tšitiso ea endocrine, e ka amang tsamaiso ea lihormone tsa banna, basali le bana hampe. Ho phaella moo, e 'nile ea amahanngoa le boima ba' mele ba pelehi, ho kula, le tšenyo ea lisele.

Tsa Tsau-tsau

Haeba u tšoana le batho ba bangata, u batla ho thabela ho ba letsatsing u sa tšoenyehe ka ho chesoa ke letsatsi, ho nka lifoto le mofetše oa letlalo. Ha e sebelisoa hantle, setlolo se sireletsang letlalo se sireletsang letlalo letsatsing ka SPF ea batho ba 15 kapa ho feta se tla u thusa ho etsa joalo.

Leha ho le joalo, li-sunscreen tse ngata li na le lik'hemik'hale tse kang oxybenzone, e kenang 'meleng mme e ka ba le litlamorao tse mpe tsa bophelo ba bona. Ka lebaka lena, thahasello ea ho sebelisa lioli tsa tlhaho joalo ka litlolo tse sireletsang mahlo letsatsing e se e nyolohile. E 'ngoe ea tsona ke oli ea peo ea rantipole.

Leha ho le joalo, leha ho na le phuputso e le 'ngoe e phatlalalitsoeng, ha ho na bopaki ba mahlale ba hore oli ea peo ea rantipole e fana ka tšireletso letsatsing.

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