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推荐:Readyplate XLD Agar acc ISO 6579

发布时间:2024/5/23点击次数:12

 

 

 

 

推荐:Readyplate XLD Agar acc ISO 6579

 

别名:Xylose Lysine Deoxycholate Agar

 

属性
Agency
APHA
ISO 19250
ISO 6579

质量水平
300

形式
solid

特点
ready-to-use

包装
box of 20 plates

manufacturer/tradename
ReadyPlate™

储存条件
(Store dry and tightly closed)

板直径
90 mm

颜色
red

application(s)
food and beverages
industrial qc
microbiology

储存温度
15-25°C

适用性
Salmonella spp.

说明
一般描述
XLD agar is a selective agar that enables the identification of Salmonella species over other bacteria. This medium relies on three indicator systems:
Degradation of xylose, lactose, and sucrose to acid causes phenol red to change its color to yellow.
Production of hydrogen sulfide is indicated by thiosulfate and iron (III) salt, which react to form a precipitate of black iron sulfide in the colonies.
The appearance of a purple coloration around the colonies due to an increase in pH indicates bacteria that decarboxylate lysine to cadaverine.
These reactions can proceed simultaneously or successively and may cause the pH indicator to exhibit various shades of color, or it may change its color from yellow to red on prolonged incubation. The culture medium is moderately selective thus, the growth of unwanted organisms is suppressed, while sought bacteria can be tentatively grouped by reading the net effect of carbohydrate dissimilation, lysine decarboxylation, and the formation of hydrogen sulfide leading to black colonies. Agar is the solidifying agent.
应用
ReadyPlate™ XLD Agar plates are suitable for isolation and differentiation of Salmonella from food and animal feed, water, and other materials.

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发表刊物        影响因子           奖励金额
SCI期刊杂志      1.0≤1F<3.0          200元
SCI期刊杂志      3.0≤1F<6.0          400元
SCI期刊杂志      6.0≤1F<10.0         600元
SCI期刊杂志      1F≥10                1000元


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