Pengaruh Perendaman Dengan Filtrat Abu Jerami Padi (FAJP) Terhadap Lignin Dan Serat Kasar Tongkol Jagung

Abstract

ABSTRAK. Potensi tongkol jagung sebagai pakan ruminansia sangat besar, namun dibatasi penggunaannya karena kadar ligninnya yang tinggi. Penelitian ini bertujuan untuk menguji dan mengetahui hubungan antara kandungan lignin dan serat kasar tongkol jagung yang direndam dengan berbagai konsentrasi filtrat abu jerami padi (FAJP). Penelitian menggunakan rancangan acak lengkap (RAL) dengan empat macam perendaman, yaitu R1 = Tongkol jagung dengan hidrolisis FAJP konsentrasi 5%, R2 = Tongkol jagung dengan hidrolisis FAJP konsentrasi 10%, R3 = Tongkol jagung dengan hidrolisis FAJP konsentrasi 15%, R4 = Tongkol jagung dengan hidrolisis FAJP konsentrasi 20%. Setiap perlakuan diulang sebanyak empat kali. Hasil menunjukkan bahwa FAJP berpengaruh nyata terhadap penurunan kadar lignin dan serat kasar pada tongkol jagung (p<0,05). Hubungan antara perlakuan dengan kadar lignin membentuk persamaan regresi Y = 9,29 -0,172X dengan R² =0,92, sedangan antara serat kasar dan lignin memiliki hubungan yang sangat erat dengan nilai r =0,85. Perendaman tongkol jagung dengan FAJP 20% menghasilkan persentase lignin dan serat kasar yang paling rendah yaitu 5,88dan 32,03 %.Kesimpulan, penggunaan FSJP dengan konsentrasi 20% merupakan perlakuan yang terbaik.

(The effect of soaked by rice straw ash filtrate on lignin and crude fiber content of corn cob)

ABSTRACT. Utilization of corncobs as a ruminant feed is highly potential but its high lignin content may limit its use. The objective of this experiment was to investigate the effect of soaking in the water containing different concentration of rice straws ash filtrate (RSAF) on lignin and crude fiber contents of corncob. A completely randomized design was employed to compare 5 different treatments: R1 = corncob with RSAF hydrolysis 5%, R2 = corncob with RSAF hydrolysis 10%, R3 = corncob with RSAF hydrolysis 15%, and R4 = corncob with RSAF hydrolysis 20%. Each treatment was repeatedfour times (n=4). The result showed that RSAF had a significant effect (P<0.05) in reducing lignin and crude fiber contents. The relationship between treatment and lignin content followed a regression equation: Y = 9.29 -0.172X with R² =0.92, while crude fiber and lignin had a close relationship with r =0.85. Soaking corncobs with RSAF as much as 20% resulted the lowest lignin and crude fiber contents which were 5.88 and 32.03% respectively. It concluded that utilization of RSAF 20% was the best treatment.