Buza uGqirha wokuTyelwa: Ilizwi lokugqibela kwiProtheyini yeSoy Isolate

Umxholo

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Q: Ngaba kufuneka ndiphephe iprotein yesoya?

A: I-Soy iye yaba yinto ephikisanayo kwaye inzima. Ngokwembali abantu baseAsia basebenzise izixa ezikhulu zeemveliso zesoya ngelixa banobomi obude kunye nobusempilweni emhlabeni. Uphando malunga neprotheyini yesoya kunye nempilo yentliziyo iye yaqina kangangokuba yanikezelwa ibango lezempilo, ivumela iinkampani zokutya ukuba zichaze ukuba "i-25 grams yeprotein yesoya ngosuku, njengenxalenye yokutya okuphantsi kwamafutha kunye ne-cholesterol, inokunciphisa umngcipheko isifo sentliziyo. Ukuhanjiswa (kwegama lokutya) kubonelela nge-X yeegram zesoya. "

Kodwa kulo lonke uncedo lwezempilo lwalo mthombo weprotheyini yesityalo esipheleleyo, uya kuva ngesiphumo esinokuba yingozi, kubandakanya ukonyuka komngcipheko womhlaza othile, ukuphazamiseka kwehomoni, ukuphazamiseka komsebenzi wedlala lengqula, okanye ukuthatha izibulali-zinambuzane kunye neetyhefu.

Ukunciphisa ukuxhalaba, i-Arhente yoPhando lwezeMpilo kunye noMgangatho (AHRQ) ikhuphe ingxelo enamaphepha angama-400 malunga neziphumo zesoya kunye ne-soy isoflavones (i-antioxidants efumaneka kwi-soy), iphetha ngokuthi, "Kuzo zonke iziphumo, kubandakanywa iziganeko ezimbi, kukho akukho bungqina bubambekayo bempendulo yethamo nokuba yiproteni yesoya okanye isoflavone. Nangona kunjalo, ngenxa yokuba iimveliso zesoya ziza kuluhlu olubanzi lwesoya, isoyi enegwele, iprotein yesoya yodwa, kunye nezinye-ukubhideka kuyaqhubeka.

Isoy protein yokuzahlula ngokukodwa kuye kwabekwa phantsi kwemicroscope yezempilo ngokubhekisele kukhuseleko lwayo, ngenxa yokusetyenziswa kwayo ngokubanzi ukonyusa umxholo weprotein yokutya okwahlukeneyo okanye ukomeleza ukwenziwa. Zintathu izinto ezixhalabisayo eziqhelekileyo ekufuneka uzazi.

1. Ungcoliseko lwesinyithi. Iprotein ye-soy isolate ikhutshwa kumgubo wesoya ocoliweyo. Yenziwe phantse ngeprotein emsulwa, kuba inkqubo yokuzahlula ivelisa imveliso engama-93 ukuya kuma-97 eeprotein, ishiya amanqatha amancinci kunye neecarbohydrate. Inkxalabo malunga namaziko enkqubo yokuzahlula kwinto yokuba i-aluminium efunyenwe kwii-vats ezinkulu ezisetyenziselwa ukwahlula iprotheni yesoya inokungena kwiproteni ngokwayo, inyusa amathuba okuba netyhefu enzima. Oku kucingelwa ngokupheleleyo, kuba andikazukubona uhlalutyo lwe-soy, i-whey, okanye nayiphi na iprotein eyahlulayo ebonisa ukungcoliseka kwesinyithi esindayo kwizikhongozeli ezisetyenziswe kwinkqubo yokuzahlula.

2. Umngcipheko wezitshabalalisi. Ipesenti ezingamashumi alithoba eepesenti ze-soy eziguqulwe ngofuzo zichasene ne-glyphosate, i-pesticide efunyenwe kwi-Round Up. Inkxalabo ephakanyisiweyo malunga nokutya iimveliso ezine-protein ye-soy kukuba uya kudla izixa ezigqithileyo zale khemikhali. Iindaba ezimnandi? I-Glyphosate ayixutywanga kakuhle yi-GI yomntu, iimpembelelo ezinokubakho ebantwini zixhomekeke kwidosi, kwaye inqanaba lelo dosi liphikisana kakhulu.

Ezinye iindaba ezimnandi (okanye mhlawumbi iindaba ezimbi) kukuba xa kufikwa kwi-glyphosate, iproteni yesoya yokuzahlula ayisiyongxaki yakho iphambili. I-Glyphosate ikuyo yonke indawo, ezo ziindaba ezimbi ngokwenene! Ifana ne-BPA, endikhe ndayigubungela ngaphambili. Uphando olupapashwe kwi-2014 kwi Ukutya Chemistry kwaye Indalo esingqongileyo kunye noHlahlelo loTyhefu Iqaqambise inyani yokuba ukusetyenziswa kwe-glyphosate kwihlabathi liphela kuyenze yaninzi kwimeko yethu yokutya kunye nokutya. Ngelixa isixa se-glyphosate ekusebenziseni iproteni yokwahlulahlula singakhange sichazwe, akunakulindeleka ukuba isoya yeyona nto iphambili kuwe, kuphela, okanye ngowona mthombo ubalulekileyo wokuvezwa kwesi sinambuzane.

3. Ii-isoflavones ezigxininisiweyo. Enye yezona ndawo ziphikisanayo zesoya, i-isoflavones zi-antioxidants ezidume ngokuxelisa i-estrogen emzimbeni. Esi siphumo sibonwe njengenzuzo, kunye nophando olubonisa ukuba i-75 okanye i-54 milligrams ngosuku (mg / d) ye-soy isoflavones inokunyusa ubuninzi bamaminerali kunye nokunciphisa i-frequency kunye nobukhulu bokushisa okutshisayo, ngokulandelanayo. Nangona kunjalo, ii-isoflavones kwi-soy ziye zacetywa ukuba zidlale indima ekunyuseni umngcipheko womhlaza webele. Uphando kule ndawo luyinkimbinkimbi kwaye luhlala luvela, neziphumo ezibi ezibonwe kwizifundo zezilwanyana, kodwa akukho ziphumo zifunyenwe kwizifundo zabantu.

Kukwabalulekile ukuba uqaphele ukuba ukuhlukaniswa kweprotein ye-soy akuyiyo imithombo egxile kwii-isoflavones.Ngokutsho kwe-USDA Isoflavone Database, enye i-ounce (malunga ne-scoop enye) ye-protein ye-soy i-28mg i-isoflavones ye-soy kunye nee-ounces ezintathu ze-tofu ephekiweyo i-23mg ye-soy isoflavones. Kwisiseko sokusebenza ngakunye, ukutya kokubini kuqulethe malunga nedosi efanayo ye-isoflavones, kodwa iproteni yesoya yokuzahlula ineeprotein ezingaphezulu: 23g vs. 8g.

Zonke izinto eziqwalaselweyo, ukutya isixa esilinganiselweyo se-protein ye-soy akuboneleli emngciphekweni wezempilo. Ndibona olona ncedo luphambili lweprotheyini yesoya yodwa njengesixhobo sesondlo sokukunceda uhlangabezane neemfuno zakho zemihla ngemihla zeprotheyini. Ukuba uyeka ukutya iprotheni yobisi (whey) kanye emva kokuzilolonga okanye ukuba ufuna ukonyusa iprotheyini kwisidlo esinikiweyo, sebenzisa iprotein yesoya njengoko uya kusebenzisa nasiphi na isongezelelo seprotheyini.

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