The harvest of maize , the local staple food , was meagre this year 今年津巴布韦的玉米收成与主粮极为贫乏。
2.
Hkorc also released results of a survey conducted in september at 25 supermarkets and health food outlets on organic labelling on fruit , rice and chinese , western and japanese - style noodles . the survey revealed that only five percent of the fruit and 33 percent of the rice and noodles have organic seals from approved authorities on the products 结果显示，在抽查的四十三个水果样本和566个五谷主粮样本(包括米，中式、西式及日式粉面)中，只有百分之五的水果及百分之三十三的五谷主粮为有机认证产品。
3.
The application experiment of aroma - producing active dry yeast in vinegar production demonstrated that the sensory quality , total acids content and total esters content of experimental samples were better or higher than that of contrast samples ; the flavoring compositions quantity , content and species in experimental samples were higher or more than that in contrast samples ( especially ethyl acetate content and ethyl lactate content increased by 0 . 99 % and 1 . 22 % respectively ) ; the use of dry yeast could increase flavoring compositions content in vinegar , better vinegar aroma , and improve vinegar quality ; and the optimum use level of dry yeast was 0 . 2 % ( for main grains ) 摘要生香活性干酵母的食醋生产应用试验表明，试验样的感官质量及其总酸、总酯含量均比对照样有所提高；试验样（蒸馏液）香气成分的数量、含量和种类均比对照样（蒸馏液）多，尤其乙酸乙酯、乳酸乙酯的含量分别提高0 . 99 %和1 . 22 % ；应用生香活性干酵母可提高食醋中香气成分的含量，改善了食醋香气，提高了食醋质量；生香活性干酵母的适宜用量为0 . 2 % （对主粮） 。
