ada suhu 40
o
C dan pH 5.0. Spesifitas xilanase mobil terhadap xilan birchwood menghasilkan DP antara 37–7, dan pada xilan
apat digunakan berulang, namu
V. SIMPULAN DAN SARAN
5.1. Simpulan
Amobilisasi xilanase dari Streptomyces sp. isolat 45I-3 dilakukan
menggunakan larutan Eudragit S100 konsentrasi 1 bv. Rasio volume Xilanase Ekstrak Kasar dengan Larutan Eudragit S100 1 bv yang digunakan
adalah 5:1. Amobilisasi menyebabkan penurunan aktivitas xilanase menjadi 23.97 ,
serta perubahan pH dan suhu optimum. Xilanase amobil memiliki aktivitas optimum pada pH 6.0 dan suhu 40
o
C. Xilanase amobil stabil selama 1 jam pada suhu 30–40
o
C, pH 6.0, serta stabil pada substrat xilan birchwood dan xilan tongkol jagung selama 6 jam pada pH 6.0 dan suhu 40
o
C. Xilanase amobil lebih stabil pada substrat xilan birchwood dibandingkan xilan tongkol jagung. Xilanase
amobil juga stabil selama 5 jam p a
tongkol jagung antara 122–26. Xilanase amobil d n terjadi penurunan aktivitas menjadi 52.38 setelah 3 kali penggunaan.
Xilanase amobil memiliki potensi untuk diaplikasikan pada pembuatan beragam xilooligosakarida, terutama karena keleluasaan dalam pengendalian
prosesnya.
5.2. Saran
Amobilisasi xilanase dari Streptomyces sp. 45I-3 memiliki efektivitas
amobilisasi yang rendah sehingga perlu dikombinasikan dengan metode pengikatan kovalen sehingga dapat meningkatkan efektivitas amobilisasi dan
meningkatkan stabilitasnya.
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LAMPIRAN
Lampiran 1. Komposisi Bufer Pencuci pada Pembuatan Xilanase Amobil
Jenis Bufer
Ko mpo
sisi
Bufer Aseta
t
t 0.2 M
dala
0.2 M
C
2
H
3
O
2
Na atau
27.2 g C