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Blood cockle (Anadara granosa) is one of the marine biotas that can be used as a bioindicator of the pollution level of sea water. The nature of blood cockle stays in one place because of their slow movement and they are non-selective filter feeders which filter water in order to get food. The use of activated charcoal during soaking is to keep the food safety from blood cockle contaminated with heavy metals. The purpose of this study is to determine the effectivity test of soaking duration on blood cockle (Anadara granosa) and activated charcoal toward reducing metals lead (Pb). This study employed Randomized Complete Design (RCD) using three different soaking periods such as 30 minutes, 60 minutes, and 90 minutes. The samples were analyzed by Inductively Coupled Plasma Emission (ICPE). The parametric data was analyzed with One Way Anova test. The result of the study showed that the soaking duration among 30 minutes, 60 minutes, and 90 minutes in activated charcoal showed significantly different (P< 0.05) toward the levels of lead.

The purpose of this study was to determine the effect of giving Averrhoa bilimbi leaf extract on sperm quality of diabetic mice. This research is a pure experimental (true experimental) with a post-test-only control group design approach. This research was conducted by giving Averrhoa bilimbi leaf extract as a treatment for 42 days in male mice. Sperm quality parameters observed included viability, abnormalities, motility in sperm. In all variables, the results of the data showing a normal distribution with a p-value > 0.05 were then carried out with a parametric test using one-way ANOVA. Averrhoa bilimbi leaf extract can increase the number of spermatogenic cells in male mice with hyperglycemia.