It reveals that 30 % acidulous grain alcohol is suitable, superior in the pigment dissolving. 结果表明:30%酸性乙醇是美国地锦色素的较好提取剂。
The preserved blueberry fruit has moderate content of sugar and water and is acidulous, thus ensuring the nutrient components and sell-by date of the preserve. 该蓝莓果脯的含糖量和水分适中,并具有微酸度,保证了果脯的营养成分和保质期限。