Bell Pepper

Food profile · Sweet pepper fruit

Bell
pepper.

Crunch, color and a little kitchen chemistry.

Bell pepper adds crunch, sweetness and color to food, while contributing vitamin C and other nutrients. Cooking changes the texture, and variety and ripeness shape the mixture inside—there is no single nutrient profile for every pepper color.

One food family, not one interchangeable nutrient profile.

VARIETY · RIPENESS · PREPARATION

Start with the plant

A sweet fruit in the vegetable drawer.

Bell peppers are sweet, non-pungent forms of Capsicum annuum, a species in the Solanaceae family that also includes many hot chilies. Botanically, the part we eat is a fruit; in the kitchen, we treat it as a vegetable. Sharing a species does not make a sweet bell pepper and a hot chili interchangeable ingredients. [1] [2]

“Sweet pepper” and “capsicum” can refer to this food in everyday shopping, but both names have wider uses. Here, they mean the familiar bell-shaped edible pepper. Concentrated pepper extracts and capsaicin are separate materials, not alternative names for a serving of vegetables.

Read the colors

Not a universal traffic-light sequence.

Green bell peppers are commonly harvested before full ripeness. Depending on the variety, a ripening pepper may become red, yellow or orange; every pepper does not pass through all three colors. Sweetness depends on variety and maturity, so a color label tells only part of the story. [2]

The pigments also differ. In Sun and colleagues’ analysis of green, yellow, orange and red sweet peppers, the red samples contained more beta-carotene and capsanthin than the other colors tested. That is a finding about those samples, not a permanent ranking of every cultivar. Their antioxidant assays measured chemical behavior, not an effect on human skin. [4]

Inside a portion

Vitamin C is a strong connection.

USDA lists different vitamin-C values for raw sweet peppers of different colors. These records are separate reference foods, not one pepper tracked through ripening. [3]

The red-pepper record also contains 2.1 g fiber and 1,624 µg beta-carotene per 100 g. A half-cup of chopped red pepper, calculated from USDA’s 149 g cup weight, is about 75 g and supplies approximately 95 mg vitamin C. A few strips or a spoonful in a mixed dish will contribute a different amount. [3]

Raw green

80.4 mg vitamin C / 100 g

Raw red

127.7 mg vitamin C / 100 g

Raw yellow

183.5 mg vitamin C / 100 g

Two nutrients, different jobs.

Vitamin C and connective tissue

Vitamin C supports collagen formation; heating can reduce it. [5]

Carotenoids and vitamin A

Beta-carotene can be converted into vitamin A. [6]

From crisp to tender

Cook for the dish, not a perfect score.

Raw strips suit a crisp salad; cooked pieces become tender enough for a hash or blended soup. The physical goal helps explain why different preparations remain useful rather than being rivals for one universal ranking.

What did the cooking experiment actually compare?

In a 2024 experiment, Zhao and colleagues compared oven cooking, air-frying and infrared grilling of red bell pepper at several temperatures, all for 15 minutes. Every treatment reduced measured ascorbic acid relative to the uncooked samples. The study analyzed food composition, not human absorption; its dry-weight measurements and particular equipment do not predict the vitamin C in every home-cooked serving. [7]

Retention and absorption are different questions

Retention asks how much of a nutrient remains in the food after preparation. Absorption asks how much enters the body after eating it. Measuring the cooked food alone does not answer both questions.

Cooking discovery

Two real manuscript connections.

Two preparations show the same ingredient doing different physical jobs: tender pieces can remain distinct in a hash, while roasting and blending lets pepper join the body of a soup.

Fried Egg over Sweet Potato Hash

Yellow pepper joins sweet potato, onion and garlic in a pan-cooked base beneath an egg. A useful way to notice how pepper brings color and a tender bite to a savory breakfast.

Carrot Soup

Red pepper is roasted with carrots and other vegetables, then blended with broth. Here, pepper becomes part of a smooth texture rather than a distinct crunchy piece.

A kitchen curiosity

Count lobes, not “male” and “female.”

The number of bumps on the bottom does not tell you a pepper’s sex or sweetness. Bell peppers are fruits; variety and growing conditions affect their shape. Pick the color and texture you enjoy instead of relying on that produce-aisle myth. [2]

Food identity: Sweet bell-shaped fruit of Capsicum annuum.
Keep separate: Hot chili peppers, capsaicin, pepper extracts and black pepper spice.
Compare fairly: Match color, food form, edible weight and preparation.