KARAKTERISASI SERA MOCAF (MODIFIED CASSAVA FLOUR) DARI UBIKAYU VARIETAS MANIS DAN PAHIT

nurud diniyah, Nugraha Yuwana, nFN Maryanto, Bambang Herry Purnomo, Achmad Subagio

Abstract


Mocaf (tepung kasava termodifikasi/Modified Cassava Flour) dapat dibuat dari berbagai varietas ubikayu dengan lama fermentasi yang bervariasi. Hasil samping dari produksi Mocaf berupa komponen tidak lolos ayakan 100 mesh yang disebut “Sera”. Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan varietas (Cimanggu dan Kaspro) dan lama fermentasi (0, 12, dan 24 jam) terhadap sifat fisikokimia sera Mocaf. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan 2 faktor yaitu varietas ubikayu dan lama fermentasi. Parameter yang dianalisis meliputi sifat fisik dan kimia seperti derajat putih, densitas kamba, proksimat, kadar serat kasar, dan kadar hemiselulosa-selulosa. Hasil penelitian menunjukkan bahwa sera Mocaf dari ubikayu varietas Cimanggu dan Kaspro memiliki karakteristik berupa derajat putih berkisar 84,61-86,05%, densitas kamba 0,58-0,75 g/mL, kadar air 11,79-13,73%, kadar abu 0,61-2,68 %, kadar protein 1,31-2,34 %, kadar lemak 1,50-2,14 %, kadar serat kasar 18,11-22,76 %, kadar hemiselulosa 29,20-34,21 %, dan kadar selulosa 18,47-21,89 %. Sera sebagai limbah Mocaf masih berpotensi digunakan sebagai bahan baku produk tinggi serat seperti cone es krim, roti tawar, dan cookies.

 

(modified cassava flour) from sweet and bitter cassava varieties

Mocaf (Modified Cassava Flour) can be made from various varieties of cassava with various duration of fermentation. The by-product of Mocaf, a component that does not pass 100-mesh sieve, is called “Sera”. The aim of this study was to determine the effect of different cassava varieties (Cimanggu and Kaspro) and duration of fermentation (0, 12, and 24 h) on the physicochemical properties of Mocaf sera. The experimental design used in this study was Randomized Block Design with 2 factors, namely cassava varieties and fermentation duration. Parameters observed included physical and chemical properties, i.e. whiteness, bulk density, proximate crude fiber and hemicellulose-cellulose content. The results showed that the characteristics of sera Mocaf from Cimanggu and Kaspro varieties were as follows: 84.61-86.05% whiteness, bulk density of 0.58-0.75 g /mL, moisture content of 11.79-13.73%, ash content of 0.61-2.68%, protein content of 1.31-2.34%, fat content of 1.50-2.14%, crude fiber content of 18.11-22.76%, hemicellulose content of 29.20-34.21%, and cellulose content of 18.47-21.89%. Sera as the waste of Mocaf processing had potential to be utilized as raw material for high fiber products such as ice cream cone, bread, and cookies.



Keywords


lama fermentasi; sera Mocaf; serat; ubikayu; cassava; fermentation duration; fiber; Mocaf sera;

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DOI: http://dx.doi.org/10.21082/jpasca.v15n3.2018.114-122

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