Pengaruh Kopi Arabika (Coffea Arabica) Dan Kopi Robusta (Coffea Canephora) Terhadap Viskositas Saliva Secara In Vitro
Santi Chismirina, Ridha Andayani, Rosdiana Ginting
Abstract
Kopi Arabika dan kopi Robusta adalah jenis kopi yang banyak dikonsumsi masyarakat Aceh yang mengandung asam klorogenat dan asam trigonelin. Kopi Arabika memiliki pH yang lebih asam dibandingkan dengan kopi Robusta. pH dapat berpengaruh terhadap viskositas saliva. Penelitian ini dilakukan untuk mengetahui pengaruh kopi Arabika dan kopi Robusta terhadap viskositas saliva. Kelompok perlakuan terdiri dari kopi Arabika, kopi Robusta, dan akuades sebagai kelompok kontrol. Masing-masing larutan yang dipaparkan dengan saliva buatan diukur viskositasnya dengan menggunakan viskometer Ostwald. Viskositas rata-rata masing-masing larutan adalah 0,0008213 N s/m2 untuk kelompok kontrol, 0,0008319 N s/m2 untuk kopi Arabika, dan 0,0008689 N s/m2 untuk kopi Robusta. Data yang diperoleh kemudian dianalisis dengan menggunakan analisis One Way ANOVA kemudian dilakukan uji lanjut dengan menggunakan analisis Post Hoc Test. Hasil analisis menunjukkan ada perbedaan signifikan p<0,05 antara akuades, kopi Arabika, dan kopi Robusta. Hasil uji lanjut menunjukkan bahwa kopi Robusta yang dipaparkan dengan saliva buatan lebih tinggi viskositasnya dibandingkan akuades dan kopi Arabika. Dari hasil penelitian dapat disimpulkan bahwa viskositas kopi Robusta terhadap viskositas saliva lebih kental dibandingkan kopi Arabika.
Keywords
kopi Arabika, kopi Robusta, viskositas saliva
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