Jalapeno pepper, Capsicum anuum, bell peppers, cayenne pepper

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Jalapeno pepper (also known as Capsicum anuum) is the fruit of plants from genus Capsicum, members of the nightshade family known as Solanaceae related to paprika, bell peppers, cayenne pepper and others. A cultivar of the plant produces dark green fruits. It is a perennial, small...

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

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Article Summary

Jalapeno pepper (also known as Capsicum anuum) is the fruit of plants from genus Capsicum, members of the nightshade family known as Solanaceae related to paprika, bell peppers, cayenne pepper and others. A cultivar of the plant produces dark green fruits. It is a perennial, small and herbaceous plant that grows upto 24-48 inches high. The fruits are bullet-shaped and 6 to 7 cm long and...

Key Takeaways

  • This article explains Jalapeno pepper Scientific Classification in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
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Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
  • New weakness, severe pain, high fever, or symptoms after a serious injury.
  • Any symptom that feels urgent, unusual, or unsafe for the patient.
1

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

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Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Jalapeno pepper (also known as Capsicum anuum) is the fruit of plants from genus Capsicum, members of the nightshade family known as Solanaceae related to paprika, bell peppers, cayenne pepper and others. A cultivar of the plant produces dark green fruits. It is a perennial, small and herbaceous plant that grows upto 24-48 inches high. The fruits are bullet-shaped and 6 to 7 cm long and possess numerous white, circular and flat seeds. It is rated at 2500-10000 Scoville units. Ideal growing conditions for Jalapeno pepper include well-drained, fertilized soil and humid, hot or cool climates. This pepper is mostly used in North American cuisine and Texmex cuisine.

NameJalapeno pepper
Scientific NameCapsicum anuum
NativeNative to Mexico, it is also found in Western Texas and Southern New Mexico.
Name in Other LanguagesGerman: Jalapeno-Chilischote
French: Piment jalapeno
Spanish: Chile jalapeño
Portuguese: Pimenta jalapeno
Polish: Papryka jalapeno
Latin: jalapeno piperis
Plant Growth HabitPerennial, small, herbaceous
Growing ClimateHumid, hot or cool
SoilWell-drained, fertilized
Plant Size24-48 inches
FlowerWhite
Fruit shape & sizeBullet shaped, Length: 6-7 cm
Fruit colorGlossy, dark green or red
Scoville unit2,500-10,000
Fruit TasteSpicy
SeedTiny, white, circular, flat
Major Nutritions (Raw)Vitamin C (Ascorbic acid) 106.7 mg (118.56%)
Vitamin B6 (Pyridoxine) 0.377 mg (29.00%)
Vitamin E (alpha-tocopherol) 3.22 mg (21.47%)
Vitamin K (phylloquinone) 16.6 µg (13.83%)
Vitamin B3 (Niacin) 1.152 mg (7.20%)
Vitamin A, RAE 49 µg (7.00%)
Total dietary Fiber 2.5 g (6.58%)
Vitamin B9 (Folate) 24 µg (6.00%)
Vitamin B5 (Pantothenic acid) 0.284 mg (5.68%)
Vitamin B2 (Riboflavin) 0.063 mg (4.85%)
Health Benefits
  • Assist in losing weight
  • Clear sinuses
  • Stomach ulcers
  • Treat pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।" data-rx-term="migraine" data-rx-definition="Migraine is a recurring headache disorder often with throbbing pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।">migraine
  • Enhance nervous system
  • Pregnancy
  • Enhance immunity
  • Cure pain, swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।" data-rx-term="arthritis" data-rx-definition="Arthritis means joint inflammation causing pain, swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।">arthritis
  • Cardiovascular health
  • Prevent cancer
Calories in 1 cup (90 gm)26 Kcal.

Jalapeno pepper Scientific Classification

Scientific Name: Capsicum anuum

RankScientific Name & (Common Name)
KingdomPlantae (Plants)
SubkingdomTracheobionta (Vascular plants)
SuperdivisionSpermatophyta (Seed plants)
DivisionMagnoliophyta (Flowering plants)
ClassMagnoliopsida (Dicotyledons)
SubclassAsteridae
OrderSolanales
FamilySolanaceae (Potato family)
GenusCapsicum L. (Pepper)
SpeciesCapsicum annuum L. (Cayenne pepper)
Synonyms
  • Capsicum abyssinicum A.Rich.
  • Capsicum angulosum Mill.
  • Capsicum annuum f. bicolor Makino
  • Capsicum annuum f. certoides Fingerh.
  • Capsicum annuum f. chlorocarpum Kuntze
  • Capsicum annuum f. erectum Makino
  • Capsicum annuum f. incrassatum (Fingerh.) Makino
  • Capsicum annuum f. leucocarpum Kuntze
  • Capsicum annuum f. luteum Kuntze
  • Capsicum annuum f. nigrum Makino
  • Capsicum annuum f. pendulum Makino
  • Capsicum annuum f. violaceum Kuntze
  • Capsicum annuum subsp. microcarpon Dierb.
  • Capsicum annuum var. abbreviatum Fingerh.
  • Capsicum annuum var. cerasiforme Irish
  • Capsicum annuum var. conicum (G.Mey.) Voss
  • Capsicum annuum var. conoide (Miller) Irish
  • Capsicum annuum var. cordiforme Edwall
  • Capsicum annuum var. fasciculatum (Sturtev.) Irish
  • Capsicum annuum var. globiferum (G.Mey.) Voss
  • Capsicum annuum var. grossum (L.) Sendtner
  • Capsicum annuum var. grossum (Willd.) Sendtn.
  • Capsicum annuum var. longum (DC.) Sendtn.
  • Capsicum annuum var. oblongoconicum (Dunal) Cufod.
  • Capsicum annuum var. parvoacuminatum Makino
  • Capsicum axi Vell.
  • Capsicum baccatum Buch.-Ham.
  • Capsicum baccatum Buch.-Ham. ex Wall.
  • Capsicum baccatum Rodschied
  • Capsicum bauhinii Dunal
  • Capsicum bicolor Jacq.
  • Capsicum caerulescens Besser
  • Capsicum cerasiforme Mill.
  • Capsicum cerasiforme Willd.
  • Capsicum ceratocarpum Fingerh.
  • Capsicum chamaecerasus Nees
  • Capsicum conicum G.Mey.
  • Capsicum conicum Lam.
  • Capsicum conoide Mill.
  • Capsicum conoideum Miller
  • Capsicum conoideum var. chordale Fingerh.
  • Capsicum conoideum var. oblongoconicum Dunal
  • Capsicum conoideum var. sulcatum Fingerh.
  • Capsicum cordiforme Mill.
  • Capsicum crispum Dunal
  • Capsicum crispum var. piper-rabiosum Dunal
  • Capsicum curvipes Dun.
  • Capsicum cydoniforme Hort.
  • Capsicum cydoniforme Hort. ex Roem. & Schult.
  • Capsicum dulce Dunal

History

Native to Mexico, it is also found in Western Texas and Southern New Mexico. Jalapeno pepper dates back long time ago. It was well known plant which was used in various ways. Around 1500’s, thousand acres of Jalapeno plant was planted. This crop was relevant in 1696 to the American Indian tribes. The pepper saved a lot of lives during a famine in 1696 which wiped all food and plants for Indians.

Nutritional Value

One cup of 90 grams provides 26 calories. In addition, it provides 118.56% of Vitamin C, 29% of Vitamin B6, 21.47% of Vitamin E, 13.83% of Vitamin K. It offers 0.82 grams of protein, 0.33 grams of total fat, 2.5 grams of total dietary fiber, 3.71 grams of total sugars, 1.33 grams of glucose and 2.37 grams of fructose.

Health Benefits of Jalapeno pepper

Jalapeno pepper provides plenty of health benefits. They are loaded with minerals, vitamins, antioxidants and flavonoids. It is low in calories and saturated fat. It possesses antioxidant and infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">anti-inflammatory properties which help to maintain overall health.

  1. Assist in losing weight

Capsaicin is a compound which is the cause for heat while consuming Jalapeno peppers. The research shows that which assist to lose weight so it has been used in the health supplements and weight loss pills. The intake of Jalapeno Peppers stimulates Capsaicin which burns the fat and calories if consumed on daily basis. The one who wants the natural ways to lose weight should add Jalapeno pepper in the diet.

  1. Clear sinuses

Nasal congestion is the symptom of sinus which causes trouble in breathing. Jalapeno pepper should consume Jalapeno peppers to get rid of blocked airways and nasal congestion. The heat provided by Capsaicin helps to counteract the infection of sinus and clears airways of the chest. The daily intake of Jalapeno pepper eases the breathing and clears the airways.

  1. Stomach ulcers

Jalapeno pepper helps to treat ulcers of mouth as well as stomach. Jalapeno peppers are loaded with antioxidants and also an excellent source of Vitamin C. It helps to eliminate the bacteria in stomach and mouth. It cures and prevent from mouth as well as stomach ulcers.

  1. Treat pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।" data-rx-term="migraine" data-rx-definition="Migraine is a recurring headache disorder often with throbbing pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।">migraine

The studies have shown that Jalapeno peppers helps to provide relief from the headaches causes by pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।" data-rx-term="migraine" data-rx-definition="Migraine is a recurring headache disorder often with throbbing pain, nausea, or light sensitivity. সহজ বাংলা: বারবার হওয়া বিশেষ ধরনের মাথাব্যথা।">migraine. Capsaicin in Jalapeno peppers helps to prevent neuropeptide which is the major pain transmitter. One should intake Jalapeno peppers in order to reduce or prevent from migraine headaches.

  1. Enhance nervous system

Jalapeno pepper has plentiful amounts of minerals, vitamin and amino acids which help to regulate the amino acids that are vital for the functions of nervous system. The studies have shown that low intake of folic acid or amino acid increases the chances of neurodegenerative diseases such as Alzheimer’s or Parkinson’s disease. The intake of Jalapeno pepper two to three times in a week helps to enhance the health of nervous system.

  1. Pregnancy

Jalapeno pepper possess huge amount of Vitamin B complex which assist in formation of neural tube and assist the formation of red blood cells in prenatal babies. The deficiency of folate during pregnancy can lead to birth defects in infants and underweight infants.

  1. Enhance immunity

The research has shown that about 60 to 70 percent of vitamin C is contained in one serving of Jalapeno pepper. Vitamin C helps to enhance immune system for the production of white blood cells which helps to counteract from minor to major disease. One should consume Jalapeno pepper to enhance immune system or prevent from infections or illness.

  1. Cure pain, swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।" data-rx-term="arthritis" data-rx-definition="Arthritis means joint inflammation causing pain, swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।">arthritis

The research has proved that the intake of Jalapeno pepper helps to reduce the pain caused by swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।" data-rx-term="arthritis" data-rx-definition="Arthritis means joint inflammation causing pain, swelling, stiffness, or reduced movement. সহজ বাংলা: জয়েন্টের প্রদাহ।">arthritis naturally. Jalapeno pepper possesses Capsaicin which possesses infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">anti-inflammatory properties and reduces the inflammation or pain on the joints which are caused by arthritis. A dose of Capsaicin helps to lower the symptoms of arthritis.

  1. Cardiovascular health

Cardiovascular health is related with strokes, heart attack and high blood pressure. Capsaicin helps to reduce the level of bad cholesterol in the body and also lowers the aggregation of platelet. In addition, Jalapeno pepper is loaded with Vitamin C, Vitamin A and bioflavonoids which helps to reinforce blood vessels. It helps to adjust the changing level of blood pressure. The intake of Jalapeno pepper helps to balance the level of blood pressure and reduce the chances of heart attack and strokes.

  1. Prevent cancer

Jalapeno pepper is an excellent source of nutrients, flavonoids and vitamins. The research shows that the intake of Jalapeno pepper destroys prostate cancer cells in the body. Jalapeno pepper contains antioxidants which prevents the damage caused by cancer cells. It helps to treat and prevent the cancer.

Precautions  

  • Jalapeno contains capsaicin which provides spice and pungent. Even some bits causes irritation as well as fiery sensation in tongue, mouth and throat.
  • One should avoid of touching eyes after touching the chili pepper.
  • Jalapeno pepper may irritate the stomach ulcer, gastritis, and gastro esophageal reflux conditions.
  • An intake of chilies for lengthy period would increase the chances of exposing aflatoxin which could lead to liver, stomach and colon cancers.
  • Those who are allergic to spicy foods should avoid Jalapeno Peppers.
  • The intake of Jalapeno peppers which are a week old can cause stomach irritation.

How to Eat    

  • Jalapeno pepper is excellent for sauces, salsa, chutney, salads and pickling.
  • It can be used to prepare ratatouille which is a traditional Occitanian recipe.
  • The green Jalapeno peppers are added raw with white onion and tomatoes in order to prepare pico de gallo.
  • Jalapeno pepper could be added as pizza toppings.
  • The pickled form of Jalapenos is consumed with burgers, sandwiches, tortilla etc.
  • Jalapeno peppers are the typical ingredients in nachos, Tex-Mex cuisine, fajita, chili con quiso etc.
  • It helps to enhance the flavor as well as spiciness to poultry, stews, seafood and meat dishes.

Other Facts

  • In Mexico, about 40,000 acres are used to cultivate Jalapenos.
  • China, Spain, Peru and India are the commercial producers of chilies including Jalapenos.
  • Ancient Aztecs were the one to use Jalapenos first but they used to dry and smoke it instead of consuming.
  • August 19th is celebrated as the National Hot & Spicy Food Day.
  • It is mild to medium pungent about 2,500 to 10,000 Scoville units.
  • Jalapeno is a great source of Vitamin C.
  • Jalapeno helps to reduce blood pressure, combat migraine headaches and assist to lose weight.

 


References

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A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Stop activity and seek urgent medical evaluation.
  • Chest pain should not be managed only with home medicine.
  • Discuss ECG and cardiac blood tests with emergency care when appropriate.

OTC medicine safety

  • Do not take random painkillers to hide chest pain before medical evaluation.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Chest pressure, sweating, breathlessness, fainting, pain spreading to arm/jaw/back, or known heart disease needs emergency care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Jalapeno pepper, Capsicum anuum, bell peppers, cayenne pepper

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

References

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