Pour steamed milk slowly into the glass, stirring to combine. The drink can then be topped with whipped cream, and decorated with sprinkles, chocolate syrup, coffee grounds, or coconut flakes.
2
以d -甘露糖为标准,DNS作显色剂,用分光光度法间接测定脱脂咖啡渣中甘露聚糖的含量。
By using mannose as the standard and DNS as colour developing reagent, the author indirectly determinated the content of mannan in defatted coffee grounds by spectrophotometry.