2654-5292
PROFIL PASTING DAN MUTU FISIK TEPUNG KACANG BAMBARA BOGOR BERDASARKAN WARNA KULIT ARI
Abstract
Kacang Bambara varietas Bogor merupakan tanaman lokal berasal dari Afrika yang memiliki variasi warna kulit dan dapat diolah menjadi tepung. Tujuan penelitian ini adalah mempelajari pengaruh warna kulit ari terhadap profil pasting dan mutu fisik tepung kacang Bambara Bogor serta potensi pemanfaatannya. Penelitian meliputi pembuatan tepung kacang Bambara Bogor dengan kulit ari berwarna putih, ungu muda, ungu tua, dan hitam. Rancangan penelitian menggunakan rancangan acak lengkap 1 faktor dengan dua ulangan. Analisis yang dilakukan meliputi profil pasting yang terdiri dari suhu pasting, viskositas puncak, waktu puncak, viskositas breakdown, dan setback viscosity. Analisis fisik meliputi rendemen, tingkat kecerahan, daya serap air dari tepung kacang Bambara Bogor. Hasil penelitian menunjukkan bahwa warna kulit ari yang semakin gelap mengakibatkan penurunan pada parameter suhu pasting, viskositas puncak, breakdown, dan setback viscosity, sedangkan waktu puncak cenderung meningkat. Selain itu, warna kulit ari yang semakin gelap menyebabkan tingkat kecerahan semakin meningkat, sedangkan rendemen dan daya serap air semakin menurun. Berdasarkan profil pasting dan daya serap air, tepung kacang Bambara Bogor cocok untuk cookies, produk rehidrasi, dan produk yang membutuhkan kestabilan pasta pada suhu rendah, seperti saos dan pudding.
Kata kunci : Vigna subterranea (L.) Verdcourt, tepung kacang bogor, variasi warna epidermis, gelatinisasi, mutu fisik
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