Sunflower Seeds
Overview
Sunflower seeds provide thiamine (B1), vitamin E, and are the source of sunflower lecithin, supporting mitochondrial function and choline intake. Thiamine (B1): Pork, sunflower seeds, salmon, peas, rice, lentils. Thiamine is essential for mitochondrial glucose metabolism in the brain leading to ATP production. Vegans should ensure adequate choline intake (e.g., soy or sunflower lecithin, soy foods, quinoa, broccoli).
Key Nutritional Highlights
- Concentrated dietary thiamine source among commonly consumed seeds.
- High vitamin E content supports lipid-phase antioxidant intake.
- Frequently used as a practical precursor ingredient for sunflower lecithin products.
- Protein remains lysine-limited, so amino-acid balance improves with legumes/grains.
Food Context
Synergies
- Part of diverse seed intake; dietary diversity (≥30 plant foods per week) supports microbial richness and resilience
Preparation
- Can be consumed raw or roasted; gentle roasting preserves nutrients
- Supports mitochondrial function via thiamine; thiamine does not exist in a large brain "reservoir"; the CNS maintains small, tightly regulated intracellular pools that depend on continuous, transporter-mediated supply
- Source of sunflower lecithin for choline support; vegans should ensure adequate choline intake (e.g., soy or sunflower lecithin, soy foods, quinoa, broccoli)
Essential Amino Acid Profile
Sunflower Seeds provide plant protein but are not a complete protein; lysine is typically limiting for nuts and seeds.
Protein pairing strategy:
Pair with legumes or grains to complete essential amino acid coverage.
Recipes
Nutrient Tables (per 100 g)
Core nutrients
| Nutrient | Amount per 100 g | % RDA per 100 g |
|---|---|---|
| Energy | 584.8 kcal | — |
| Protein | 20.9 g | — |
| Total fat | 51.5 g | — |
| Saturated fat | 4.3 g | — |
| Carbohydrates | 20 g | — |
| Fibre | 8.7 g | — |
Key micronutrients
| Nutrient | Amount per 100 g | % RDA per 100 g |
|---|---|---|
| Iron | 5.2 mg | 28.9% |
| Zinc | 5 mg | 45.5% |
| Magnesium | 325 mg | 77.4% |
| Selenium | 53 µg | 96.4% |
| Calcium | 78 mg | 7.8% |
| Potassium | 645.2 mg | 19% |
| Choline | 55 mg | 10% |
| Folate | 227.2 µg | 56.8% |
| Vitamin B6 | 1.4 mg | 79.4% |
| Vitamin E | 35.2 mg | 234.7% |
Substances
Substances in this food: editorial (Overview / literature) plus analytical (nutrition table).
14 substances in this food
Copper
Cofactor in redox enzymes; dopamine β-hydroxylase; iron metabolism interplay
Linoleic Acid (LA, n-6)
Essential omega-6; precursor to arachidonic acid and eicosanoids
Magnesium
Enzymatic cofactor (>300 reactions); neurotransmitters; mitochondria; redox balance
Manganese
Cofactor for MnSOD (SOD2); mitochondrial antioxidant defense
Selenium
Antioxidant enzyme cofactor (GPx); supports redox balance
Vitamin B1 (Thiamine)
Mitochondrial glucose metabolism; ATP synthesis; rapid turnover in CNS
Vitamin E (Tocopherols/Tocotrienols)
Lipid-phase antioxidant; protects PUFA (DHA) in membranes
Iron
Oxygen transport; dopamine synthesis (tyrosine hydroxylase cofactor)
Zinc
Cofactor in neurotransmission and antioxidant enzymes; dopamine modulation
Calcium
Bone health; neurotransmission; interacts with vitamin D and K2
Potassium
Electrolyte for nerve transmission, muscle function, and blood pressure regulation
Choline
Acetylcholine precursor; methyl donor; phospholipid synthesis for membranes
Vitamin B9 (Folate; 5-MTHF)
One-carbon metabolism; methylation; homocysteine recycling
Vitamin B6 (Pyridoxine → PLP)
PLP cofactor for neurotransmitter synthesis; relies on brain PDXK activation
References
[1] Thiamine physiology and neuro-metabolic relevance Dhir et al. 2019
[2] Choline as a practical nutrient target in dietary patterns Derbyshire 2023