Cooled Potatoes
Overview
Potatoes that are cooked and then cooled develop resistant starch through retrogradation, providing prebiotic fiber that supports gut microbiome and SCFA production. The complex carbohydrate, Resistant Starch, forms when certain starchy foods are cooked and then cooled, a process called retrogradation. Foods like rice and potatoes develop higher resistant starch content when chilled. White rice was cooled and reheated showing a rise in RS content from 0.64 to 1.65 g/100 g and elicited a lower glycemic response.
Recipes
Substances
6 substances in this food
Acetate
Most abundant SCFA supporting gut barrier integrity and immune regulation
Butyrate
Key SCFA supporting mitochondrial function, gut barrier integrity, and neuroinflammation reduction
Potassium
Electrolyte for nerve transmission, muscle function, and blood pressure regulation
Propionate
SCFA supporting neuroinflammation reduction, blood-brain barrier protection, and neurotransmitter regulation
Vitamin B6 (Pyridoxine → PLP)
PLP cofactor for neurotransmitter synthesis; relies on brain PDXK activation
Vitamin C (Ascorbate)
Antioxidant; supports iron absorption; neuronal SVCT2 transport
Preparation Notes
- Cook potatoes, then cool (refrigerate) to form resistant starch; resistant starch forms when certain starchy foods are cooked and then cooled, a process called retrogradation
- Reheating does not reverse resistant starch formation; white rice was cooled and reheated showing a rise in RS content from 0.64 to 1.65 g/100 g and elicited a lower glycemic response
- Supports butyrate production via gut fermentation; resistant starch (cooled potatoes, green bananas) supports Bifidobacterium, Akkermansia; ↑ butyrate production; improved gut barrier
- Lower glycemic response compared to hot potatoes; blunts post-prandial glycemic excursions
Biological Target Matrix
| Biological Target | Substance | Contribution Level | Therapeutic Areas | Mechanism of Action |
|---|---|---|---|---|
| Gut–Brain Axis & Enteric Nervous System (ENS) | Acetate | Contextual / minor contributor | Byproduct of fibre fermentation; supports intestinal barrier integrity; regulates immune responses; promotes synthesis of key neurotransmitters such as dopamine and serotonin | |
| Gut–Brain Axis & Enteric Nervous System (ENS) | Butyrate | Contextual / minor contributor | Byproduct of fibre fermentation; supports intestinal barrier integrity; regulates immune responses; promotes synthesis of key neurotransmitters such as dopamine and serotonin | |
| Gut–Brain Axis & Enteric Nervous System (ENS) | Propionate | Contextual / minor contributor | Byproduct of fibre fermentation; supports intestinal barrier integrity; regulates immune responses | |
| Inflammation & Oxidative Stress | Acetate | Contextual / minor contributor | Supports immune regulation and anti-inflammatory processes | |
| Inflammation & Oxidative Stress | Butyrate | Contextual / minor contributor | Has anti-inflammatory effects, potentially reducing neuroinflammation; deficiencies linked to many neurological disorders including ADHD | |
| Inflammation & Oxidative Stress | Propionate | Contextual / minor contributor | Helps reduce neuroinflammation and protects the blood-brain barrier; enhances cognitive function | |
| Inflammation & Oxidative Stress | Vitamin C (Ascorbate) | Contextual / minor contributor | Antioxidant properties; supports anti-inflammatory effects | |
| Metabolic & Neuroendocrine Stress (HPA Axis & ANS) | Vitamin C (Ascorbate) | Contextual / minor contributor | Supports stress response through antioxidant and neurochemical effects | |
| Methylation & One-Carbon Metabolism | Vitamin B6 (Pyridoxine → PLP) | Contextual / minor contributor | Essential cofactor in remethylation of homocysteine to methionine, which is converted to S-adenosylmethionine (SAMe); works with B2, folate, and B12 | |
| Mitochondrial Function & Bioenergetics | Butyrate | Contextual / minor contributor | Supports mitochondrial function, enhancing brain energy metabolism; aids in reducing cholesterol and neuroinflammation | |
| Neurotransmitter Regulation | Potassium | Contextual / minor contributor | Critical for membrane potential, nerve signaling, and neuronal excitability; adequate intake balances sodium effects | |
| Neurotransmitter Regulation | Propionate | Contextual / minor contributor | Stimulates secretion of norepinephrine and may influence dopamine regulation; promotes synthesis of key neurotransmitters | |
| Neurotransmitter Regulation | Vitamin B6 (Pyridoxine → PLP) | Contextual / minor contributor | Cofactor for synthesis of dopamine, serotonin, GABA, and glutamate; supports rate-limiting steps in catecholamine synthesis; requires PDXK activation with magnesium and ATP support | |
| Neurotransmitter Regulation | Vitamin C (Ascorbate) | Contextual / minor contributor | Supports norepinephrine synthesis; transported in brain via SVCT2 |
References
- Resistant starch (cooled potatoes, green bananas) supports Bifidobacterium, Akkermansia; ↑ butyrate production; improved gut barrier
- The complex carbohydrate, Resistant Starch, forms when certain starchy foods are cooked and then cooled, a process called retrogradation. Foods like rice and potatoes develop higher resistant starch content when chilled
- White rice was cooled and reheated showing a rise in RS content from 0.64 to 1.65 g/100 g and elicited a lower glycemic response
- B6 (chickpeas, potatoes, bananas, whole grains, soy) is a cofactor in the development of all key neurotransmitters