CD Skripsi
Identifikasi Protozoa Usus Pada Berbagai Jenis Sayur Lalapan Di Pasar Tradisional Kota Pekanbaru
Intestinal protozoa are unicellular eukaryotic microorganisms inhabiting the human gastrointestinal tract and are capable of causing infections. Transmission occurs through the ingestion of cysts or oocysts present in contaminated food or water. In Indonesia, raw vegetables are commonly consumed as “lalapan,” including cabbage, lettuce, and basil which are at risk of contamination during distribution, particularly in traditional markets. This study aimed to determine the presence of intestinal protozoa in vegetables (cabbage, lettuce, and basil) sold by vendors in traditional markets across Pekanbaru City. This study was conducted from July to November 2025. The method used was cross-sectional, with a total of 60 samples collected from 5 traditional markets. The results showed that 52 of 60 samples (86.7%) were contaminated. The predominant intestinal protozoan identified was Blastocystis hominis (65%). Other protozoa classified as free-living protozoa were also identified, including Glaucoma sp. (23.3%) and Tetrahymena pyriformis (21.7%). These findings suggest that the consumption of raw vegetables may serve as a potential transmission route for intestinal protozoa. Therefore, proper washing practices are strongly recommended prior to consumption. Notably, contamination was completely eliminated (0%) after washing vegetables twice with 0.9% NaCl solution, which can be prepared by dissolving 9 grams of non-iodized table salt in every 1 liter of boiled water, or better using distilled water.
Keywords: vegetables, intestinal protozoa, contamination, washing, traditional market
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