Ketogenic and low-carbohydrate diets greatly increase reliance on fat oxidation [78–89], which would logically be expected to increase mitochondrial respiration and mtROS production and, in turn, induce mitohormesis. Furthermore, mtROS produced through RET appears to have particular relevance to hormetic adaptation, including increased lifespan . Nutritional ketosis is likely to increase RET by altering the FADH2 to NADH ratio. As the primary source of acetyl CoA shifts from glycolysis to β-oxidation and ketolysis, this ratio increases, more than doubling for β-oxidation of longer-chain fatty acids. Electrons from FADH2 reduce the CoQ pool through complex II and ETF-QO, thereby increasing RET [91, 92]. This induction of RET by alteration of substrate availability can also be influenced by configuration of mtETC complexes into supercomplexes . The greater potential for mtROS production through RET is consistent with evidence of mitochondria producing more H2O2 during oxidation of palmitoyl carnitine versus pyruvate [93, 94]. Furthermore, succinate is generated during ketolysis by succinyl-CoA:3-oxoacid CoA-transferase (SCOT), which also promotes RET by reducing the CoQ pool through complex II. Demonstrating the likely role of RET in mitohormesis, particularly within the context of nutritional ketosis, extension of lifespan in C. elegans through BHB treatment is dependent on both complex I function and expression of bioenergetic and antioxidant proteins .
This bread does have quite a few ingredients, but you’ll find that most are staple paleo and keto pantry ingredients. In the list below you’ll find details on several ingredients and possible subs. But if possible, please do try and make this recipe without any subs. As out of the 18 permutations we tried, this one really was terrific and the absolute best.
In skeletal muscle, oxidative capacity and mitochondrial content are related to fiber type. Compared to type II fibers, type I fibers have larger mitochondria  with greater oxidative enzyme content . While fiber type is plastic, particularly in response to endurance exercise, transformation from oxidative, slow-twitch fibers (type I) to glycolytic, fast-twitch fibers (type II) is unlikely to occur [372, 373]. Type II fibers, however, can shift in humans from highly glycolytic (type IIx) to more oxidative (type IIa) . Compared to type IIx fibers, type IIa fibers have greater citrate synthase activity, indicating greater mitochondrial content . The relevance of oxidative capacity and fiber type to oxidative stress has been demonstrated by greater mitochondrial respiration with less H2O2 production in permeabilized fibers from rat muscle consisting primarily of type I or IIa fibers versus type IIb fibers . Although muscle fiber-type transformation has been well characterized in response to exercise, this appears to not be the case for ketogenic diets. However, in rats, β-hydroxyacyl-CoA dehydrogenase (β-HAD) has been shown to increase most prominently in glycolytic, type IIb fibers following 4 weeks of a ketogenic diet (% energy: 70 fat, 6 carbohydrate, and 24 protein) , suggesting transition of these fibers towards type IIa fibers and, in turn, indicating potential for nutritional ketosis to promote a more oxidative muscle fiber composition.
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I am so frustrated. I have made the rolls a dozen times and they vary in results but always come out acceptable. I truly enjoy them. However, no matter what I do I cannot get the darn loaf to work! I am specific with ingredients, I have tried leaving the loaf in the oven to cool, I have tried taking it out. I make sure the water is at a rolling boil. I tried different sized pans…just doesn’t work. The only difference I can think of is the loaf pan. I am wondering if I were to just form the dough into a loaf without the restriction of a pan, would it come out better? It wouldn’t be as pretty but it might work.
Clinical results suggest both direct and indirect actions of ketones via modifications of various hunger-related hormones concentrations. While it’s not completely clear how ketosis reduces appetite, studies have found that ketosis is effective at lowering food intake and regulating appetite by altering levels of the hunger hormones including cholecystokinin (CCK) and ghrelin. At the same, ketone bodies seem to affect the hypothalamus region in the brain, positively impact leptin signals, and avoid slowing down the metabolism like most other diets do. (5)
These fluffy, colorful pancakes from The Big Man’s World satisfy any cravings for a decadent, comfort food breakfast without totally sabotaging ketosis. Made with almond flour and coconut flour instead of the conventional stuff, these pillowy cakes are much higher in fats, protein, and fiber than your average stack—and at 2.1 grams of net carbs per serving, much lower in carbs. Did we mention they’re also vegan and take just 10 minutes to whip up?
In low carb and keto baking, we’re concerned with two things: 1) keeping carbs low, and 2) still achieving a baked good that has great flavor and texture (because if we can’t gag it down there’s just no point, right? Lol). Low carb bread recipes are usually gluten free and grain free (although we’ve seen a couple that use oat fiber), but then the challenge is to get creative to get the right combination of ingredients to yield something that rises properly and tastes good.