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<blockquote data-quote="Shemeska" data-source="post: 984391" data-attributes="member: 11697">It's been attempted before, growing isolated muscle tissue in a vat more or less. Problem being that isolated muscle strips grow pretty slowly, and have to be suspended in a media broth that is rather expensive, and itself based on fetal calf serum, or newborn calf serum. That in itself poses a problem for some people seeking an ethically whitewashed source of meat. The tissue is darn finicky with regards to to dissolved O2 and all kinds of other factors in the media and conditions of the incubation as well.&nbsp;&nbsp; Problem with the growth media is that its considered complex media, a nice little term that means we really don't have more than a vague clue of what all is in it, and in what proportions. Each lot of FBS or newborn serum is different in minor ways from every other lot with regards to protein content, etc. The process of determining what every single protein and protein derivative, sugars, free amino acids, glycoproteins, lipoproteins, lipids, electrolytes, etc in the media we commonly use today, and what was needed for tissue growth and what could be left out would be nightmarish in the time and money needed.&nbsp;&nbsp; Of course once that was known, it'd be possible to produce many of the componants in bacterial culture and isolate it and mix up your media from reagent jars rather than frozen cow serum. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" /> Yay biochemistry!</blockquote>

[QUOTE="Shemeska, post: 984391, member: 11697"] It's been attempted before, growing isolated muscle tissue in a vat more or less. Problem being that isolated muscle strips grow pretty slowly, and have to be suspended in a media broth that is rather expensive, and itself based on fetal calf serum, or newborn calf serum. That in itself poses a problem for some people seeking an ethically whitewashed source of meat. The tissue is darn finicky with regards to to dissolved O2 and all kinds of other factors in the media and conditions of the incubation as well. Problem with the growth media is that its considered complex media, a nice little term that means we really don't have more than a vague clue of what all is in it, and in what proportions. Each lot of FBS or newborn serum is different in minor ways from every other lot with regards to protein content, etc. The process of determining what every single protein and protein derivative, sugars, free amino acids, glycoproteins, lipoproteins, lipids, electrolytes, etc in the media we commonly use today, and what was needed for tissue growth and what could be left out would be nightmarish in the time and money needed. Of course once that was known, it'd be possible to produce many of the componants in bacterial culture and isolate it and mix up your media from reagent jars rather than frozen cow serum. :) Yay biochemistry! [/QUOTE]

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