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Nutrition

48 g Protein Beras Nggayuh Hasil Karo Whey kanggo Otot lan Kekuatan sajrone 8 Minggu

Dr. Gymbro · · 4 min read
#supplements #muscle growth #whey protein #rice protein #plant based protein #post workout nutrition #vegan athletes

Studi sing Ngelawan Anggapan "Whey Paling Jago"

Protein nabati asring dipandang luwih lemah tinimbang whey. Whey sugih leucine, gampang dicerna, lan wis suwe dadi patokan utama ing riset pembentukan otot. Protein beras biasane dianggep pilihan sekunder amarga kandungan leucine sing luwih sithik lan profil asam amino sing ora seimbang.

Ing taun 2013, Joy lan kancané ngetokake riset ing Nutrition Journal kanggo nguji anggapan iki kanthi syarat sing nguntungaké protein beras. Asilé: 48 g protein beras isolat ngasilaké perbaikan sing podo karo 48 g whey isolat ing massa tanpa lemak, ketebalan otot, kekuatan, lan daya sajrone wolu minggu latihan.

Apa sing Digawe Peneliti

Tim nyewa 24 pria umur kuliah sing wis biasa ngangkat beban lan dipérang dadi loro grup sing ukurané padha. Saben grup ngonsumsi 48 g protein beras isolat utawa 48 g whey protein isolat saben dina latihan. Kalori lan nitrogen disetel supaya total energi lan asupan proteiné identik.

Latihan ditindakake nganggo program periodisasi undulasi, telu dina saben minggu nganti total wolu minggu. Para peserta ngombe suplemen langsung sawisé saben sesi latihan.

Peneliti ngukuraké:

  • Ketebalan otot nganggo ultrasonografi
  • Komposisi awak nganggo dual‑energy X‑ray absorptiometry (DXA)
  • Kekuatan awak ndhuwur lan ngisor lewat bench press lan leg press
  • Performa daya
  • Persepsi pemulihan, rasa pegel, lan kesiapan latihan sawise sesi latihan pisanan

Pengukuran komposisi awak, kekuatan, lan ketebalan dilakokaké ing minggu ke‑0, 4, lan 8.

Apa Sing Ditemokaké

Loro grup nambah sacara signifikan saka wektu ke wektu. Massa tanpa lemak, massa otot, kekuatan, lan daya mundhak, lan lemak awak mudhun. Sing paling penting yaiku apa sing ora kelakon: ora ana interaksi grup‑by‑time, tegesé ora ana suplemen sing luwih unggul. Rating pemulihan, pegel, lan kesiapan latihan uga padha antarane loro grup.

Desain iki migunani amarga ngilangi faktor gangguan umum. Kanthi kalori, nitrogen, wektu konsumsi, lan program latihan sing padha, sumber protein dadi variabel utama sing dibandhingaké, lan ora ana pengaruh sing ketok marang asil.

Ngapa Dosis Penting

Penulis nyorot “celah leucine”. Penelitian sadurungé nuduhaké yèn protein hewani ngungkuli nabati nalika dosisé cilik nganti sedeng. Ing percobaan iki digunakaké dosis gedhé, kang dadi alesan kenapa beras bisa menehi asil sing podo.

Mekanisme sing paling masuk akal yaiku leucine, asam amino sing paling kuat ngaktifaké sintesis protein otot. Whey nduwèni jumlah leucine luwih akèh saben gram. Porsi gedhé protein beras bisa nutupi “celah leucine” iki kanthi nyedhiyakake total leucine lan asam amino esensial sing cukup kanggo ngluwihi ambang respon anabolik. Iki mung hipotesa sing logis, dudu bukti langsung saka studi.

Watesan sing Jujur

Sadurunge ngowahi pilihan suplemenmu, waca cathetan iki dhisik:

  • Sampel cilik. 24 peserta (12 per grup) gampang ora ndeteksi bedane sing tipis. “Ora ana beda signifikan” ora ateges “bukti identik”.
  • Durasi cekak. Wolu minggu cukup kanggo ndelok adaptasi awal, nanging ora nuduhaké tren jangka panjang.
  • Pria enom sing terlatih wae. Hasilé mbok menawa ora bisa ditrapaké kanggo wanita, wong tuwa, utawa pemula.
  • Potensi konflik kepentingan. Sawetara studi suplemen dibiayai perusahaan sing adol produk sing diteliti. Priksa disclosure lan statement pendanaan sadurunge narik kesimpulan.
  • Dosis gedhé. Porsi beras sing luwih cilik, kaya 20‑25 g, bisa ora nyocogaké whey amarga nyedhiyakake leucine luwih sithik. Studi iki ora nyoba dosis kuwi.
  • Faktor diet liyané. Asupan protein saben dina lan pola diet umum ora dadi fokus utama, dadi pengaruh faktor diet liya ora bisa diabaikan.

Takeaway Praktis

Dosis: Studi iki nggunakake 48 g protein beras isolat saben dina latihan. Yen kepengin ngasilaké asil sing podo, targetake porsi sing meh padha, ora mung setengah sendok.

Wektu konsumsi: Para peserta ngombe langsung sawisé latihan. Ora ana bukti yen wektu iku krusial, nanging prosedur iki wis kabuktèn efektif.

Sapa sing entuk manfaat: Iki paling relevan kanggo vegan, wong sing intoleran laktosa utawa alergi protein susu, lan sapa wae sing luwih milih produk nabati. Kanggo kelompok iki, studi nuduhaké yèn ninggalake whey ora ateges kudu ninggalake kemajuan, yen dosis cukup.

Yen ngonsumsi luwih sithik: Pertimbangna nambah porsi utawa nyampur protein beras karo protein nabati liya utawa sumber leucine tambahan. Iki inferensi sing logis saka hipotesa leucine, dudu temuan langsung saka percobaan.

Yen tetep nggunakake whey: Ora ana apa‑apa ing kéné sing nyebut beras luwih apik tinimbang whey. Studi mung nemokake ekivalensi, mula pilih adhedhasar pencernaan, rega, rasa, lan nilai pribadi.

Ringkesan

Percobaan iki nuduhaké yèn klaim lawas "whey luwih apik tinimbang protein nabati" ora absolut. Nalika kalori, nitrogen, lan dosis gedhé padha, protein beras isolat ndhukung kenaikan massa tanpa lemak, kekuatan, lan daya sing sebanding karo whey ing pria terlatih sajrone wolu minggu. Sampel cilik, wektu cekak, lan dosis gedhé dadi watesan supaya ora langsung digeneralisasi. Nanging, kanggo lifter nabati, iki bukti sing nyemangati yèn shake protein beras sing pas dosisé bisa ngasilaké asil sing dikarepake.

Ringkesan cepet:

  • 48 g protein beras isolat padha karo 48 g whey isolat ing uji acak 24 pria terlatih
  • Massa tanpa lemak, ketebalan otot, kekuatan, lan daya mundhak ing loro grup, tanpa beda signifikan
  • Dosis gedhé kamungkinan sing ndadèkaké beras saingan, mula ora ngira‑ngira porsi cilik bakal padha
  • Priksa disclaimer pendanaan lan anggep temuan iki minangka petunjuk sing janji, ora pungkasan

Original study

Read the original research on pubmed.ncbi.nlm.nih.gov →

This article summarizes published research for general information. It is not medical advice.

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Dr. Gymbro

Dr. Gymbro writes for Dr. Gymbro: science-backed fitness, nutrition & performance.

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