Basic Information:
- Common Name: Spinach
- Scientific Name: Spinacia oleracea
- Category: Leafy Green Vegetable
- Varieties: There are several varieties of spinach, including savoy, semi-savoy, and flat-leaf spinach. These varieties differ in leaf texture and appearance.
Nutritional Information:
- Macronutrients (per 100 grams):
- Carbohydrates: 2.64 grams
- Proteins: 2.91 grams
- Fats: 0.6 grams
- Saturated Fat: 0.06 grams
- Monounsaturated Fat: 0.01 grams
- Polyunsaturated Fat: 0.17 grams
- Micronutrients:
- Vitamins:
- Vitamin A: 469 µg (52% DV)
- Vitamin C: 28.1 mg (31% DV)
- Vitamin K: 483 µg (402% DV)
- Folate: 194 µg (49% DV)
- Vitamin B6: 0.2 mg (15% DV)
- Vitamin E: 2 mg (13% DV)
- Minerals:
- Calcium: 99 mg (8% DV)
- Iron: 2.7 mg (15% DV)
- Magnesium: 79 mg (20% DV)
- Phosphorus: 49 mg (7% DV)
- Potassium: 558 mg (12% DV)
- Sodium: 79 mg (3% DV)
- Zinc: 0.53 mg (5% DV)
Phytonutrients
Mature spinach is abundant in various phytonutrients that contribute to its numerous health benefits. Here are some of the key phytonutrients found in mature spinach:
- Carotenoids:
- Beta-Carotene: A precursor to vitamin A, beta-carotene supports vision, immune function, and skin health.
- Lutein and Zeaxanthin: These antioxidants are essential for eye health, reducing the risk of cataracts and age-related macular degeneration.
- Flavonoids:
- Quercetin: An antioxidant with anti-inflammatory properties that supports cardiovascular health and may help reduce the risk of certain cancers.
- Kaempferol: Known for its anti-inflammatory and anticancer properties, kaempferol also helps protect the body from oxidative stress.
- Phenolic Acids:
- Caffeic Acid: An antioxidant that helps reduce inflammation and may protect against certain diseases.
- Ferulic Acid: Another antioxidant that helps protect cells from damage caused by free radicals and supports skin health.
- Glucosinolates:
- These compounds can be broken down into isothiocyanates, which have been shown to have anticancer properties.
- Saponins:
- Plant compounds that can help reduce cholesterol levels, boost the immune system, and provide anticancer benefits.
- Nitric Oxide:
- While not a phytonutrient, mature spinach contains nitrates, which can be converted into nitric oxide in the body. Nitric oxide helps improve blood flow and reduce blood pressure.
Health Benefits of Phytonutrients in Mature Spinach
- Antioxidant Protection:
- Carotenoids (beta-carotene, lutein, zeaxanthin), flavonoids (quercetin, kaempferol), and phenolic acids (caffeic acid, ferulic acid) help protect cells from oxidative damage caused by free radicals, reducing the risk of chronic diseases.
- Eye Health:
- Lutein and zeaxanthin are specifically beneficial for eye health, protecting against cataracts and age-related macular degeneration.
- Anti-inflammatory Effects:
- Flavonoids (quercetin, kaempferol) and phenolic acids (caffeic acid, ferulic acid) reduce inflammation, which is beneficial for managing chronic conditions such as arthritis and heart disease.
- Heart Health:
- Flavonoids (quercetin, kaempferol) and saponins help lower cholesterol levels and protect cardiovascular health by improving blood vessel function and reducing arterial stiffness.
- Nitric oxide, derived from dietary nitrates in spinach, improves blood flow and helps lower blood pressure.
- Cancer Prevention:
- Some phytonutrients, such as kaempferol and glucosinolates, have anticancer properties, potentially reducing the risk of certain types of cancer by inhibiting cancer cell growth and proliferation.
- Immune Support:
- Saponins and flavonoids boost immune function, helping the body to fight off infections and diseases by enhancing the activity of immune cells.
Summary
Mature spinach is a nutrient-rich leafy green vegetable that contains a variety of beneficial phytonutrients, including carotenoids (beta-carotene, lutein, zeaxanthin), flavonoids (quercetin, kaempferol), phenolic acids (caffeic acid, ferulic acid), glucosinolates, and saponins. These phytonutrients provide numerous health benefits, such as antioxidant protection, anti-inflammatory effects, heart health support, cancer prevention, eye health improvement, and immune support. Including mature spinach in your diet can contribute to overall health and well-being due to its rich phytonutrient profile.

Calorie Count and Glycemic Index
- Calorie Count: Approximately 22 calories
- Glycemic Index: Very low
Physical Characteristics:
- Color: Dark green
- Shape: Broad, smooth leaves with a rounded or pointed end
- Size: Larger than baby spinach leaves, typically 4-6 inches long
- Texture: Tender yet slightly firmer compared to baby spinach
Culinary Uses:
- Common Dishes: Salads, soups, stews, casseroles, pasta dishes, quiches, and as a filling for savory pies.
- Preparation Methods: Can be eaten raw in salads or sandwiches, sautéed, steamed, boiled, or used as an ingredient in various cooked dishes.
- Suitable Pairings: Combines well with eggs, cheese, garlic, onions, tomatoes, mushrooms, bacon, nuts, and citrus fruits.
Geographical Information:
- Origin: Spinach is believed to have originated in ancient Persia (modern-day Iran) or possibly ancient China.
- Primary Growing Regions: Major producers include the United States (California and Arizona), China, Japan, and Turkey.
- Seasonal Availability: Spinach is available year-round, with peak seasons in the spring and fall.
| Proximates: | |
| Water | 92.4 g |
| Energy (Atwater General Factors) | 28 kcal |
| Energy (Atwater Specific Factors) | 22 kcal |
| Nitrogen | 0.46 g |
| Protein | 2.91 g |
| Total lipid (fat) | 0.6 g |
| Ash | 1.42 g |
| Carbohydrates: | |
| Carbohydrate, by difference | 2.64 g |
| Fiber, total dietary | 1.6 g |
| Minerals: | |
| Calcium, Ca | 67 mg |
| Iron, Fe | 1.05 mg |
| Magnesium, Mg | 93 mg |
| Phosphorus, P | 41 mg |
| Potassium, K | 460 mg |
| Sodium, Na | 107 mg |
| Zinc, Zn | 0.42 mg |
| Copper, Cu | 0.079 mg |
| Manganese, Mn | 0.426 mg |
| Iodine, I | 6.1 µg |
| Selenium, Se | <2.5 µg |
| Vitamins and Other Components: | |
| Vitamin C, total ascorbic acid | 30.3 mg |
| Thiamin | 0.076 mg |
| Riboflavin | 0.192 mg |
| Niacin | 0.51 mg |
| Vitamin B-6 | 0.214 mg |
| Biotin | 4.25 µg |
| Folate, total | 113 µg |
| Vitamin A, RAE | 306 µg |
| Carotene, beta | 3670 µg |
| Cryptoxanthin, beta | 10 µg |
| Lutein + zeaxanthin | 7920 µg |
| Lutein | 7450 µg |
| Zeaxanthin | 466 µg |