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Abstrak Tujuan penelitian ini adalah untuk mendapatkan kombinasi terbaik dari konsentrasi pati ganyong dan gliserol pada pembuatan edible coating dan untuk mengetahui pengaruh penerapan edible coating terbaik terhadap kualitas buah apel. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan 2 faktor. Faktor 1 yaitu konsentrasi pati ganyong 1%, 1,5% dan 2% (b/v) dan faktor 2 yaitu konsentrasi gliserol 4%, 5% dan 6% (v/v). Setiap perlakuan diulang 3 kali. Apabila hasil analisis ragam menunjukkan tidak ada interaksi antar faktor perlakuan, maka dilanjutkan dengan uji BNT 5%, apabila ada interaksi, maka dilanjutkan dengan uji DMRT 5%. Pemilihan perlakuan terbaik menggunakan Multiple Attribute. Hasil penelitian menunjukkan formula edible coating terbaik yaitu pada konsentrasi pati ganyong 1% dan gliserol 6% dengan pH sebesar 6.98 dan viskositas sebesar 186.3 cP. Pada apel coated menunjukkan nilai susut bobot sebesar 3,99%, nilai TPT sebesar 15,8°Brix dan nilai kekerasan sebesar 3,63 Kg/cm2. Hasil uji organoleptik menunjukkan panelis memberikan penilaian yang lebih tinggi pada apel coated yaitu nilai tekstur sebesar 4,3; warna sebesar 4,3 dan aroma sebesar 3,9. Kata kunci : apel, edible coating, gliserol, pati ganyong Abstract The purpose of this research was to attain the best combination from canna edulis starch (Pati Ganyong) and glycerol from the process of edible coating, and to identify its effect on the quality of the apples. This research applies randomized block design within 2 factors that were 1%, 1,5% and 2% (w/v) of canna edulis starch concentrate and 4%, 5% and 6% (v/v) of glycerol concentrate. Each process was repeated 3 times. If the result of variance analysis did not show any interaction between each treatment factor, then 5% LSD test will be applied, if the interaction appears, then the research will be continued by applying the 5% DMRT test. Multiple Attribute was used to select the best treatment act. The result of this research showed that the formula of the best edible coating is in the 1% of canna edulis starch concentrate, and 6% of glycerol with 6.98 amount of pH and 186.3 cP amount of viscosity. On the coated apple, 3.99% of weight loss and 15.8°Brix total dissolved solids and 3.63Kg/cm2 of hardness. The result of organoleptic test showed that the panelists given the higher score on the coated apple that were, score of texture at 4,3, color at 4,3 and aroma at 3,9. Keywords: apple, canna edulis starch, edible coating , glycerol

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Canna Edulis Starch as the Raw Material of Edible coating and It’s Application on the Storage of Anna Apples (Malus sylvestris) (The Study of Canna Edulis Starch and Glycerol Concentrate)