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- Keywords ultrasonic;total dioscin;glycoside bond cracking;diosgenin; 超声波;薯蓣总皂苷;苷键裂解;薯蓣皂苷元;
- glycoside bond cracking 苷键裂解
- Hydrolysis of glycosidic bond at C20 and isomerous reaction of C20 were the main reaction of dammarane type ginsenoside. 在加工过程中达玛烷型人参皂苷主要发生20位糖苷键水解和异构化。
- High degree of esterolysis and glycosidic bond hydrolysis of oleanolic acid type ginsenosides all occurred during the red ginseng processing. 齐墩果酸型皂苷发生酯苷键和醚苷键的水解。
- Other factors include molecular weight, composing of monosaccharide residues, category of glycosidic bond and other substituted ions and so on. 多糖的分子量、单糖种类、糖苷键的类型以及其他离子的取代,也在一定程度上影响多糖活性。
- C-glycosyltransferase is a key enzyme that is being responsible for the formation of C-C glycosidic bond involved in C-glycosylation. C-C糖苷键的形成由C-糖基转移酶负责催化。含C-糖基的化合物多数来自微生物,但高等植物也会有少量积累。
- Structures of hexose and pentose sugars and glycosidic bonds. 六碳糖与五碳糖的结构，以及糖键。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- That was a cracking shot he played. 他这一下打得妙极了。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- There's a lot to be done, so let's get cracking. 工作很多，咱们开始干吧。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子，一碰就碎。
- Police are cracking down on drug dealers. 警方现对贩毒分子严惩不贷。
- They sat by the fire, cracking jokes. 他们坐在火堆旁讲笑话。
- Common interests formed a bond between us. 共同的利益把我们联系在一起。
