Pengaruh Paparan Cahaya terhadap Degradasi Karoten pada Minyak Sawit Merah Selama Penyimpanan
Keywords:
cahaya, minyak sawit merah, karoten, penyimpanan, stabilitas karoten
Abstract
Minyak sawit merah (MSM) merupakan sumber β-karoten alami yang berpotensi tinggi sebagai prekursor vitamin A. Namun, β-karoten mudah terdegradasi akibat paparan cahaya, oksigen, dan suhu tinggi. Penelitian ini bertujuan untuk mengevaluasi stabilitas kandungan karoten dalam MSM selama penyimpanan dengan perlakuan pencahayaan berbeda. Sampel minyak disimpan dalam dua jenis wadah, yaitu tembus cahaya dan kedap cahaya, selama 1, 3, dan 7 hari. Analisis kadar karoten dilakukan menggunakan metode spektrofotometri pada panjang gelombang 446 nm. Hasil menunjukkan bahwa konsentrasi karoten dalam wadah kedap cahaya lebih stabil dibandingkan dengan wadah tembus cahaya. Penurunan kandungan karoten pada wadah tembus cahaya terjadi secara signifikan setelah hari ketiga, sementara pada wadah kedap cahaya hanya mengalami sedikit penurunan. Temuan ini mengindikasikan bahwa wadah kedap cahaya efektif dalam menjaga stabilitas karoten selama penyimpanan. Pengemasan yang menghindari paparan cahaya menjadi kunci penting untuk mempertahankan nilai gizi produk kaya karoten.References
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