What Is Amaranth Leaves? Origin and Varieties
Amaranth leaves refer to the leafy green portions of plants in the Amaranthus genus, a group of hardy annuals native to the tropical and temperate regions of the Americas but now cultivated globally. Historically, Amaranthus was a staple food of the Aztecs, Incas, and Mayan civilizations, who valued both the seeds and the leaves for their nutrient content and versatility. (科学直达) The varieties commonly consumed as greens include Amaranthus tricolor, Amaranthus blitum, and Amaranthus cruentus, among others. Locally they’re dubbed “Chinese spinach,” “Chaulai,” or simply amaranth greens, and they are used in stir‑fries, stews, soups, and salads across East Africa, South Asia, the Caribbean, and Latin America. These plants are fast‑growing and drought tolerant, making them ideal for subsistence agriculture and home gardens. Botanically, amaranth is part of the Amaranthaceae family, which also includes beets and quinoa relatives. Unlike true spinach (Spinacia oleracea), amaranth leaves often exhibit a spectrum of leaf colors from deep green to reddish and purple hues, reflecting their rich pigment and phytonutrient diversity. The leaves are edible raw or cooked, though cooking can reduce water‑soluble nutrient levels; as with many leafy greens, mild steaming or quick sautéing preserves more nutrients than prolonged boiling. Because amaranth is gluten‑free by nature, it’s an excellent choice for individuals with celiac disease or gluten sensitivity. Its rapid growth cycle and adaptability to varied soils also make it important for food security strategies, especially in regions where traditional leafy vegetables are seasonal or scarce. Today, amaranth continues to be rediscovered by chefs, gardeners, and nutrition advocates as a versatile leafy green with both cultural legacy and modern relevance.
Nutrition Profile: A Detailed Breakdown
Amaranth leaves boast a nutrient density that rivals many popular leafy greens. Per 100 g raw, they provide about 23 kcal, very low caloric load yet packed with micronutrients. The leaves are a rich plant source of vitamin K (1140 µg), which is critical for blood clotting and bone metabolism, representing well over the daily requirement. They also deliver vitamin C (43.3 mg) — an antioxidant essential for collagen synthesis, immune support, and iron absorption. (科学直达)(Food Struct) Minerals are another strength: potassium (611 mg) supports healthy blood pressure and fluid balance, while calcium (215 mg) contributes to bone strength and muscle function. The iron content (2.32 mg) helps support oxygen transport, particularly important in plant‑based diets where iron bioavailability is often lower. The leaves also contain magnesium (55 mg) and phosphorus (50 mg), which are vital for energy metabolism and bone health. Although raw amaranth leaves contain modest amounts of macronutrients — protein (2.46 g) and negligible fat (0.33 g) — they provide essential amino acids and phytochemicals like phenolics and flavonoids associated with antioxidant activity. Unlike many leafy greens, amaranth also harbors significant folate (85 µg), supporting cellular division and reproductive health. Comparatively, amaranth leaves offer higher potassium and vitamin K content than many standard greens like lettuce or kale per equivalent weight, making them particularly potent for micronutrient intake. The interplay of low calories with high micronutrient density positions amaranth leaves as a nutrient control food: they provide abundant vitamins and minerals for minimal energy.
Evidence-Based Health Benefits
Amaranth leaves’ nutritional composition has been linked to several health benefits backed by scientific research and reviews. While much research has focused on amaranth seeds or whole plants, emerging evidence points to key functional roles of the leafy greens. One major advantage lies in their antioxidant capacity. Phytochemicals such as phenolic acids, flavonoids, betalains, and carotenoids in amaranth leaves exhibit radical‑scavenging activity, helping counteract oxidative stress implicated in chronic diseases. A systematic review of antioxidant activity of Amaranthus species demonstrates consistent radical‑scavenging potential across extracts. (科学直达) Moreover, reviews emphasize amaranth’s anti‑inflammatory and antidiabetic properties, attributed to its rich micronutrient and phytonutrient profile. Research summarizing therapeutic aspects of Amaranthus reports traditional uses of boiled leaves aiding digestion and blood sugar control, as well as pharmacological evaluations showing anti‑inflammatory and antidiabetic effects in preclinical models. (科学直达) Emerging experimental work highlights bioactive compounds such as phenolics and flavonoids that may mediate these benefits at the cellular level, although human clinical data are limited. A recent study on postharvest treatment with ultraviolet B (UVB) light enhanced the phenolic content and antioxidant response of amaranth leaves, suggesting that processing and storage techniques could further augment their nutraceutical potential. (Taylor & Francis Online) These bioactive profiles translate into potential benefits for cardiovascular health (via potassium and antioxidants), immune support (via vitamin C and phytonutrients), and metabolic regulation (through fiber and micronutrients). While direct clinical trials on raw leaves are sparse, the comprehensive bioactivity observed in laboratory and animal studies supports their inclusion as part of a health‑promoting dietary pattern, especially when combined with other whole plant foods.
❤️ Health Benefits
Rich in antioxidants
Contains phenolic acids, flavonoids, betalains that neutralize reactive oxygen species.
Evidence: moderateSupports heart and vascular health
High potassium supports healthy blood pressure; low sodium and antioxidants reduce oxidative stress.
Evidence: preliminaryMay help with blood sugar regulation
Fiber and low carbohydrate profile slow glucose absorption and promote stable glycemic responses.
Evidence: preliminary⚖️ Comparisons
Vs. Spinach
Amaranth leaves provide significantly more vitamin K and potassium per 100 g than spinach.
Vs. Kale
Kale has comparable vitamin C but amaranth offers higher potassium and calcium.
🧊 Storage Guide
❄️
Fridge
3–5 days
🧊
Freezer
10–12 months (blanched)
⚠️ Signs of
Spoilage:
- smell: sour or off odor
- visual: wilting, yellowing, mold spots
- texture: slimy or mushy leaves
- when to discard: mold or foul smell present
👥 Special Considerations
elderly
Why: Supports bone and cardiovascular health.
Recommendation: Encourage intake
athletes
Why: Potassium and micronutrients aid recovery and electrolyte balance.
Recommendation: Good addition
children
Why: Supports micronutrient needs with low calories.
Recommendation: Use as nutrient booster
pregnancy
Why: Provides folate and iron supportive of pregnancy needs.
Recommendation: Include in moderation
breastfeeding
Why: Micronutrient support for lactation.
Recommendation: Include regularly
🔬 Detailed Nutrition Profile (USDA)
Common Portions
1.00 leaf
(14.00g)
1.00 cup
(28.00g)
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 91.6900 | g |
| Energy | 23.0000 | kcal |
| Energy | 97.0000 | kJ |
| Protein | 2.4600 | g |
| Total lipid (fat) | 0.3300 | g |
| Ash | 1.5000 | g |
| Carbohydrate, by difference | 4.0200 | g |
| Calcium, Ca | 215.0000 | mg |
| Iron, Fe | 2.3200 | mg |
| Magnesium, Mg | 55.0000 | mg |
| Phosphorus, P | 50.0000 | mg |
| Potassium, K | 611.0000 | mg |
| Sodium, Na | 20.0000 | mg |
| Zinc, Zn | 0.9000 | mg |
| Copper, Cu | 0.1620 | mg |
| Manganese, Mn | 0.8850 | mg |
| Selenium, Se | 0.9000 | µg |
| Vitamin C, total ascorbic acid | 43.3000 | mg |
| Thiamin | 0.0270 | mg |
| Riboflavin | 0.1580 | mg |
| Niacin | 0.6580 | mg |
| Pantothenic acid | 0.0640 | mg |
| Vitamin B-6 | 0.1920 | mg |
| Folate, total | 85.0000 | µg |
| Folic acid | 0.0000 | µg |
| Folate, food | 85.0000 | µg |
| Folate, DFE | 85.0000 | µg |
| Vitamin B-12 | 0.0000 | µg |
| Vitamin A, RAE | 146.0000 | µg |
| Retinol | 0.0000 | µg |
| Vitamin A, IU | 2917.0000 | IU |
| Vitamin D (D2 + D3), International Units | 0.0000 | IU |
| Vitamin D (D2 + D3) | 0.0000 | µg |
| Vitamin K (phylloquinone) | 1140.0000 | µg |
| Fatty acids, total saturated | 0.0910 | g |
| SFA 14:0 | 0.0010 | g |
| SFA 16:0 | 0.0730 | g |
| SFA 18:0 | 0.0120 | g |
| Fatty acids, total monounsaturated | 0.0760 | g |
| MUFA 18:1 | 0.0760 | g |
| Fatty acids, total polyunsaturated | 0.1470 | g |
| PUFA 18:2 | 0.1450 | g |
| PUFA 18:3 | 0.0020 | g |
| Fatty acids, total trans | 0.0000 | g |
| Cholesterol | 0.0000 | mg |
| Tryptophan | 0.0310 | g |
| Threonine | 0.0990 | g |
| Isoleucine | 0.1190 | g |
| Leucine | 0.1950 | g |
| Lysine | 0.1270 | g |
| Methionine | 0.0360 | g |
| Cystine | 0.0290 | g |
| Phenylalanine | 0.1330 | g |
| Tyrosine | 0.0800 | g |
| Valine | 0.1370 | g |
| Arginine | 0.1210 | g |
| Histidine | 0.0520 | g |
| Alanine | 0.1390 | g |
| Aspartic acid | 0.2290 | g |
| Glutamic acid | 0.2920 | g |
| Glycine | 0.1320 | g |
| Proline | 0.1210 | g |
| Serine | 0.1110 | g |
Source: USDA FoodData Central (FDC ID: 168385)
Comments
Please login to leave a comment.
No comments yet. Be the first to share!