生物来源
algae (Rhodophyceae)
质量水平
形式
powder
技术
cell culture | plant: suitable
转变温度
transition temp 32-38 °C (1.5%)
凝胶强度
>1000 g/cm2
应用
agriculture
储存温度
room temp
InChI
1S/C14H24O9/c1-5-8(16)13-11(7(21-5)4-20-13)23-14-10(18)12(19-2)9(17)6(3-15)22-14/h5-18H,3-4H2,1-2H3/t5?,6-,7?,8-,9+,10-,11?,12+,13+,14?/m1/s1
InChI key
GYYDPBCUIJTIBM-DYOGSRDZSA-N
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一般描述
琼脂是一种多糖复合体，通过对产于太平洋、印度洋和日本海的红藻进行漂白和热水提取从获得琼脂细胞。琼脂生产离不开石花菜、粗石花菜、仙菜 、鸡毛菜和江蓠菜。琼脂含70%的琼脂糖和30%的琼脂胶。
琼脂是从红藻提取的天然聚合物，主要由交替的D和L半乳糖单元组成。这种高强度琼脂用于需要更坚实凝胶的情况，尤其适合植物细胞培养。
应用
琼脂已用于：
- 制备实验室餐食，维持果蝇野生型幼虫培养基
- 作为种子培养基中的高凝胶强度琼脂，生长拟南芥突变体种子
- 构建仿组织体模，以测试超声换能器的成像性能
琼脂已用作：
- 果蝇餐食成分
- 作为盐琼脂成分，用于在大豆种子体外根瘤检测中估算大脑灰质
生化/生理作用
化学成分主干中具有较高比例无水单位的琼脂提供优越的机械刚度和原始水凝胶强度。
WGK
WGK 1
个人防护装备
Eyeshields, Gloves, type N95 (US)
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