For years, Augusti Ntivuguruzwa struggled to perfect his banana wine in Rwanda. As for many traditional wine-makers in the country, each batch brought uncertainty about whether regulators would approve his product. For years, Augusti Ntivuguruzwa struggled to perfect his banana wine in Rwanda. As for many traditional wine-makers in the country, each batch brought uncertainty about whether regulators would approve his product. Cell & Microbiology Agriculture Phys.org – latest science and technology news stories