

The Molisch test is a sensitive test for carbohydrates. It was developed by Hans Molisch, an Austrian botanist, in 1882. The test is based on the dehydration of carbohydrates when they are heated with concentrated sulfuric acid, leading to the formation of furfural derivatives. These derivatives then react with α-naphthol (or other phenolic compounds) to produce a purple-colored complex, indicating a positive test.
| Sampel | Intensitas Cincin (Skala 0-5) | Absorbansi (490 nm) | Status | |--------|-------------------------------|---------------------|--------| | Glukosa 1% | 5 | 1.245 | Positif kuat | | Pati 1% (tanpa hidrolisis) | 1 | 0.112 | Positif lemah | | Pati 1% (dihidrolisis) | 4 | 0.987 | Positif kuat | | Ekstrak daun kering | 0 (keruh) | 0.054 | Negatif (setelah patch) | jurnal+uji+molisch+karbohidrat+patched
Interpretasi patched: Cincin harus homogen dan stabil hingga 30 menit. Jika cincin memudar dalam 5 menit, indikasi adanya senyawa pereduksi yang mengganggu. Introduction to Molisch Test The Molisch test is
Penulis: [Nama Anda]
Tanggal: 23 April 2026
Topik: Uji Molisch pada sampel karbohidrat – koreksi prosedur (+ patched method) Contoh Hasil (Tabel) | Sampel | Intensitas Cincin
Konsep "patched" pertama kali diusulkan secara informal dalam jurnal Indonesian Journal of Pharmaceutical Analysis (2018) dan kemudian diadaptasi oleh peneliti dari Universitas Gadjah Mada (2020). Berikut adalah elemen-elemen patched yang terintegrasi:
The Molisch test is significant for several reasons:
Help students or lab technicians record, validate, and interpret Molisch test results for carbohydrate samples, reducing common errors in color interpretation and result logging.
