Uji Molisch, yang dinamai menurut penemunya, Hans Molisch, adalah reaksi kimia yang digunakan untuk membuktikan adanya karbohidrat secara umum dalam larutan. Tujuan utamanya adalah untuk mengetahui keberadaan kandungan karbohidrat dalam sampel tanpa membedakan jenis spesifiknya. Hasil positif dari uji ini menunjukkan bahwa sampel tersebut mengandung senyawa sakarida.
Hans Molisch did not just leave a color reaction; he left a chemical legacy. Today, when students in labs across the world see that violet ring shimmer at the bottom of a test tube, they are witnessing the same chemical reaction Molisch saw over a century ago—a silent, purple confirmation that the building blocks of life are present.
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) menjadi senyawa furfural (jika berupa pentosa) atau 5-hidroksimetilfurfural (jika berupa heksosa). Senyawa ini kemudian bereaksi dengan Uji Molisch, yang dinamai menurut penemunya, Hans Molisch,
pekat secara perlahan melalui dinding tabung reaksi agar terbentuk lapisan terpisah. Sumber Referensi Jurnal Terkait
Application of the Molisch Test for the Rapid Detection of Carbohydrates in Unknown Analytes Hans Molisch did not just leave a color
At the time, identifying carbohydrates was a cumbersome task. Scientists needed a way to detect the presence of carbohydrates in a solution, regardless of whether they were simple sugars like glucose or complex long chains like starch. Molisch sought a universal key, a chemical "handshake" that would announce the presence of any carbohydrate.
Molisch mixed a colorless liquid—alpha-naphthol (a phenol derivative)—with a sample solution. He then carefully tilted the tube and allowed concentrated sulfuric acid to flow down the side, settling at the bottom to form a distinct layer.