BOGOR
2013
13 terhadap produk. Untuk mengetahui hal-hal tersebut maka proses pasteurisasi sering diikuti dengan teknik lain, misalnya pendinginan atau pemberian gula dengan konsentrasi tinggi.
SIMPULAN DAN SARAN
Simpulan
Jumlah rata-rata total plate count dan Staphylococcus aureus tertinggi ditemukan pada sampel susu separasi, yaitu 16 688 000 cfu/ml dan 42 943 cfu/ml. Sedangkan jumlah rata-rata koliform tertinggi ditemukan pada sampel susu mix fat, yaitu 2 481 800 cfu/ ml. Berdasarkan BSN (2000) tentang Batas Maksimum Cemaran Mikroba (BMCM) pada susu segar, kesemua sampel susu melebihi standar maksimum yang ditetapkan. Jumlah rata-rata total plate count,
Staphylococcus aureus dan koliform pada susu pasteurisasi berturut-turut adalah 19 579 cfu/ml, 37 cfu/ml, dan 68 cfu/ml. Berdasarkan BSN (2000) tentang Batas Maksimum Cemaran Mikroba (BMCM) pada susu pasteurisasi, hanya sampel susu pasteurisasi pada total plate count yang sesuai standar. Tingginya cemaran mikroorganisme tersebut terkait dengan kebersihan lingkungan dan peralatan kandang, kebersihan air yang digunakan, serta praktek higiene personal yang kurang baik. Persentase penurunan jumlah total plate count (TPC),
Staphylococcus aureus dan koliform pada tahap sebelum dan sesudah pasteurisasi
berturut-turut adalah 99.82%, 99.73% dan 99.99%. Hal ini menunjukkan bahwa proses pasteurisasi cukup efektif dalam mengurangi jumlah mikroorganisme.
Saran
Diharapkan dapat dilakukan penelitian lebih lanjut mengenai keberadaan mikroorganisme patogen lain seperti Listeria sp. Perlu dilakukan pembinaan terkait higiene dan sanitasi kepada pemilik pabrik, para pekerja, dan peternak.
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