论文部分内容阅读
大家都知道食品有保质期,也或许知道日化用品也有保质期。但你或许不知道的是,不少日用品也有保质期。如果不及时更换,而是让它们超期工作,其中积聚的细菌会慢慢侵入我们体内,或会导致病痛缠身。筷子即便清洗得再干净,使用超过半年的木质或竹制筷子在显微镜下也可看到大肠杆菌、金黄色葡萄球菌、链球菌等致病微生物。使用超过1年,竹木筷子普遍会出现变色和脱皮的现象,已经无法彻底清洗干净。建议竹木筷子半年更换一次,或使用方便清洗的金属筷子。
We all know that food has shelf-life, may know that cosmetic products also have shelf life. But you may not know that many commodities have shelf life. If not replaced in time, but let them work overtime, in which the accumulation of bacteria will slowly invade our bodies, or will lead to sickness. Chopsticks can be cleaned even if they are cleaned. More than six months of use of wooden or bamboo chopsticks can be used to display pathogenic microorganisms such as Escherichia coli, Staphylococcus aureus and Streptococcus under the microscope. Use more than 1 year, bamboo chopsticks generally appear the phenomenon of discoloration and peeling, has been unable to thoroughly clean. Bamboo chopsticks proposed six months to replace once, or the use of convenient cleaning of metal chopsticks.