So I can't remember who it was who posted about the milk fat on the bottle sides when they get home from work but I found this for you:
https://biomarkersandmilk.blogspot.com/2014/08/swirled-or-shaken-does-shaking-actually.html?m=1Breastmilk is as it turns out is not so delicate as it's made out to be. And she doesn't even address my greatest fear: the air bubble. Maybe it really is a non-issue.
Re: Shaken Not Stirred
BFP: 7/5/10 EDD: 3/13/11 Miscarriage 8/1/10 at 8 weeks
BFP: 10/30/10 EDD: 7/7/11 Born 7/11//11 7lb12oz, 20 in.
BFP: 7/30/13 EDD: 4/9/14 Born right on time on his due date! 8lb10oz, 21.5 in.
Awesome prophetic fortune cookie: Love is a present that can be given every single day you live
Can't. Stop. Giggling.
BFP: 7/5/10 EDD: 3/13/11 Miscarriage 8/1/10 at 8 weeks
BFP: 10/30/10 EDD: 7/7/11 Born 7/11//11 7lb12oz, 20 in.
BFP: 7/30/13 EDD: 4/9/14 Born right on time on his due date! 8lb10oz, 21.5 in.
Awesome prophetic fortune cookie: Love is a present that can be given every single day you live
BFP: 7/5/10 EDD: 3/13/11 Miscarriage 8/1/10 at 8 weeks
BFP: 10/30/10 EDD: 7/7/11 Born 7/11//11 7lb12oz, 20 in.
BFP: 7/30/13 EDD: 4/9/14 Born right on time on his due date! 8lb10oz, 21.5 in.
Awesome prophetic fortune cookie: Love is a present that can be given every single day you live
The gas
That's the reason?! I thought, since everything said swirl, DONT SHAKE!!!! that it somehow affected the quality of the milk...
Yes, it's been taught that way for years. Though I had a nursing school instructor who said the air would cause oxidation of the nutrients. Which yes it might, but if I'm prepping a bottle it's cause we're going to use it, not just let it sit about. But as the article explains, unless you're a prize fighter you wouldn't be able to shake hard enough to denature the proteins in human milk. That said I still don't shake because my DD2 vomits constantly and doesn't need anymore air.