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Little Known Spinach Facts for Your Homework

Following is our collection of super amazing and curious facts and details explaining Spinach. This list is intended for research in school, for college students or just to feed your brain with. Possible use cases are in quizzes, differences, homework facts legend, cover facts, and many more. But nevertheless learn why is Spinach so important!

spinach facts
What is Spinach about?

Top 10 Spinach facts that will blow your mind.

  1. A decimal point was misplaced when the iron content of Spinach was measured in the 1870's, leading people to believe it had 10x more iron than reality, and made you stronger. This is why the creators of Popeye decided he would eat spinach to grow his muscles.

  2. The belief that all raw vegetables are healthier is a misconception. A host of vegetables have nutritional content which only gets unlocked when cooked. Cooked carrots, spinach, mushrooms, asparagus, cabbage, peppers are healthier than their raw counterparts.

  3. The reason Popeye eats spinach is because of an error in the calculation of its iron content by chemist Erich von Wolf in 1870. He misplaced a decimal point, recording iron as having 35mg of iron per 100g, instead of its true value of 3.5mg/100g. The former is equal to eating part of a paperclip

  4. There are approximately the same number of calories in a pound of spinach as there are in two Oreos.

  5. Scientists were able to use a spinach leaf as scaffolding to build a mini working human heart.

  6. Moringa tree leaves contain all of the essential amino acids, more iron than spinach, more calcium than milk, more Vitamin A than carrots, and their seeds have been shown to purify water!

  7. The reason Popeye eats spinach is because of an error in the calculation of its iron content by chemist Erich von Wolf in 1870. He misplaced a decimal point, recording iron as having 35mg of iron per 100g, instead of its true value of 3.5mg/100g. The former is equal to eating part of a paperclip

  8. In 1533, Catherine de' Medici became queen of France; she so fancied spinach, she insisted it be served at every meal. To this day, dishes made with spinach are known as "Florentine", reflecting Catherine's birth in Florence

  9. Popeye used to eat spinach because German chemist Wolf miscalculated the amount of iron(to 10x) in spinach

  10. Spinach growers in Crystal City, Texas erected a statue of Popeye in 1937 for increasing spinach consumption in the USA, at a time when farmers were hard pressed

Data charts defining Spinach

Spinach figures with statistics charts presented as infographic.

spinach fact data chart about Pigment Absorbance vs. Wavelength in spinach leaves
Pigment Absorbance vs. Wavelength in spinach leaves

Funny spinach details

Interesting definitions that can be fact checked.

Popeye increased spinach sales in the U.S. by 33% when he became popular in the 1930's, setting in stone the myth that spinach has a lot more iron than most leafy greens, while it's actually not the case.

All varieties of spinach can be divided in three groups based on the texture, size and shape of leaves. Savoy spinach has dark green and curly leaves. Flat-leaf spinach has broad and smooth leaves. Semi-savoy has partially crinkled leaves.

Lamb's lettuce can be consumed fresh in the form of salad, usually mixed with rocket salad, dandelion or endive, cooked like spinach, or used as ingredient for soups and stuffing.

Consuming spinach regularly helps to decrease the risk of many blood vessel issues including high blood pressure and atherosclerosis.

Spinach contains important minerals such as manganese, magnesium, potassium, zinc and copper. Potassium is essential for heart health as it helps to control heart rate and blood pressure. Copper is essential for producing red blood cells.

Endive has crunchy texture and robust, slightly bitter flavor. Leaves in the center have sweetish taste. Endive can be used for the preparation of salads, soups, stir-fries, curry or it can be cooked and consumed like spinach. Endive can be also mixed with other vegetables and used for the preparation of healthy juices.

Saltbush is rich source of proteins, carbohydrates and minerals. It is often used as animal fodder. Thanks to high content of minerals, saltbush is also known as "cattle spinach".

Spinach has thin, flexible stem that can reach 12 inches in height.

Swiss chard is also known as "perpetual spinach" due to similar texture and taste of these two types of plants (Swiss chard has slightly meatier texture and earthier taste).

Popeye is a cartoon character which uses spinach as a source of power. Thanks to this cartoon, popularity and consumption of spinach increased for 30% during the 1930’s in the USA.

Spinach develops small yellow-green flowers. Each plant produces either male (stamens) or female (pistil) reproductive organs (dioecious plant). Flowers are pollinated by wind.

French soldiers consumed wine mixed with spinach juice during the First World War to recuperate from excessive bleeding.

People diagnosed with kidney stones should avoid consumption of vine spinach due to high content of oxalic acid in the leaves (it accumulates in the urinary tract in the form of oxalic crystals).

Leaves of sea kale have kale-like taste (hence the name). They can be consumed as salad greens or cooked like spinach.

Leaves of pigweed can be consumed raw (as salad) or boiled (like spinach). They represent good source of iron, calcium and vitamins C and A. Seed can be consumed raw, in the form of flour or popped like popcorn. Seed contain substantial amount of proteins, fibers and vitamins A and C.

Spinach is excellent source of vitamin A, K, E, C and vitamins of the B group. It is also rich source of manganese, magnesium, calcium and iron.

Vine spinach blooms from May to September. Flowers attract bees and flies which are responsible for the pollination of this plant.

Spinach is high in folate which is required to help prevent neural tube defects in babies. Folate is recommended for pregnant women, and especially for those who are trying to become pregnant as these defects occur early on in pregnancy.

Other foods high in water content, that contribute to daily hydration requirements include cauliflower, watermelon, spinach, strawberries, and broccoli.

Only 100g of fresh spinach contains 1/4 of the recommended daily intake of iron. Iron is required for red blood cell production.

Green pigments extracted from spinach were used in painting during the medieval times.

The Cheyenne survived on wild animals such as turkey, bear, deer, elk, and buffalo, and gathered roots and other wild vegetables including herbs, potatoes, spinach and fruit and berries.

Alma, Arkansas is considered to be the spinach capital of the world.

Spinach should be consumed while it is still fresh because it easily loses vitamins and minerals and becomes limp after few days. Prolonged cooking also drastically reduces vitamin content.

A handful of common foods actually contain cyanide. Almonds, spinach, & tapioca all contain cyanide in small doses. All of which are non-lethal.