traffic has been disrupted in the capital of daka and other parts of the country. t >>> china's ministry of health says that the black vinegar produced in the northern province is safe and meets quality standards. the ministry's response came tuesday after media reports said that excessive food additives and preservatives are used to prepare the product. the black vinegar is a famous condiment in china. the health ministry says all of the ingredients used to prepare the vinegar meet chinese food safety standards. >>> consumption of sake or japanese rice wine has dropped nearly 40% in japan over the past decade. but sake exports have nearly doubled as more japanese restaurants open up abroad. we look at one long established sake brewery's strategy to up exports. >> reporter: this sake marketer gets lessons from a veteran sake brewer. dana works at this brewery, where she is learning the secret behind what makes good sake. the brewery was founded 170 years ago in aki city. last year, the brewery hired her in the hope that she could help boost exports. she majored in

traffic has been disrupted in the capital of daka and other parts of the country. t >>> china's ministry of health says that the black vinegar produced in the northern province is safe and meets quality standards. the ministry's response came tuesday after media reports said that excessive food additives and preservatives are used to prepare the product. the black vinegar is a famous condiment in china. the health ministry says all of the ingredients used to prepare the vinegar meet chinese food safety standards. >>> consumption of sake or japanese rice wine has dropped nearly 40% in japan over the past decade. but sake exports have nearly doubled as more japanese restaurants open up abroad. we look at one long established sake brewery's strategy to up exports. >> reporter: this sake marketer gets lessons from a veteran sake brewer. dana works at this brewery, where she is learning the secret behind what makes good sake. the brewery was founded 170 years ago in aki city. last year, the brewery hired her in the hope that she could help boost exports. she majored in