Ana gwada aikin ƙwayoyin cuta na wannan samfurin bisa ga ƙa'idar ƙasa ta hukumar gwajin cancanta da ta dace. Ingantacciyar ƙimar haifuwar wannan samfur akan Escherichia coli, Staphylococcus aureus da Candida albicans na iya kaiwa 99.99% ƙarƙashin yanayin gwaji na minti ɗaya. Sakamakon na nuni ne.