Dictionary » L » Lactate

Lactate

Definition

noun

(chemistry) Any salt or ester of lactic acid such that the acidic hydrogen of the carboxyl group has been replaced by a metal or an organic radical.

verb

To produce milk.


Supplement

In chemistry, lactate is the final byproduct of anaerobic glycolysis. Accumulation of this compound in tissues is responsible for the condition called oxygen debt.


Word origin: Latin lactātus, ptp. of lactāre to suckle.

Related forms: lactation (noun)

Related terms:


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When does gluconeogenesis kick in during physical activity?

... a delay of a couple of minutes... Besides, I think the start of GNG should be determined by the time at which the liver starts using alanine/lactate to make glucose, not the time by which said glucose has reached the recipient cells. This is how I understand it, I may be wrong of course, ...

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by Aymeric
Fri Dec 13, 2013 12:50 pm
 
Forum: Human Biology
Topic: When does gluconeogenesis kick in during physical activity?
Replies: 12
Views: 5589

Re: When does gluconeogenesis kick in during physical activity?

... to peripheral tissues where is it utilised. And it uses alanine as the solely amino acid, because it's freely exchangeable with pyruvate and lactate.

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by JackBean
Fri Dec 13, 2013 12:14 pm
 
Forum: Human Biology
Topic: When does gluconeogenesis kick in during physical activity?
Replies: 12
Views: 5589

When does gluconeogenesis kick in during physical activity?

... aminoacids are used only as a last resort, even though they specified a few pages before that the main substrate for GNG is alanine (followed by lactate and glycerol). So there HAS to exist some factor that apparently delays GNG other than the aforementionned hormones, otherwise both metabolisms ...

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by Aymeric
Fri Dec 13, 2013 10:35 am
 
Forum: Human Biology
Topic: When does gluconeogenesis kick in during physical activity?
Replies: 12
Views: 5589

Gluconeogenesis

Liver is a very important versatile organ for mammals. Gluconeogenesis from lactate is very easy as the lactate is the end product of anerobic glycolysis. Gluconeogenesis from alanine is realtively difficult as the 'N' must be removed as urea. In gluconeogeneis ...

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by balamurugan3
Wed Aug 07, 2013 9:57 pm
 
Forum: Cell Biology
Topic: Gluconeogenesis
Replies: 8
Views: 6732

Re: Gluconeogenesis

I'm not too sure, but it may be because gluconeogenesis from amino acids is less favorable than lactate. The [delta]G of L-Lactate to Pyruvate is 25.1, so it's energetically unfavorable. However, to turn lactate into pyruvate, all you need to do is oxidize the hydroxyl ...

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by bytesyzechic
Wed Nov 14, 2012 11:07 pm
 
Forum: Cell Biology
Topic: Gluconeogenesis
Replies: 8
Views: 6732
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