Garlic

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Garlic (Allium sativum)

What it is
- Garlic is a bulbous plant in the onion family. Its close relatives include onions, shallots, leeks, chives, and leeks.
- It grows from a bulb made of 10 to 20 cloves. A fresh bulb has a strong, spicy aroma.

Where it comes from and how it’s grown
- Garlic is native to Central Asia and parts of the Middle East. It’s now grown worldwide.
- China is the largest producer.
- Garlic is usually grown as an annual. It can be grown year‑round in warm climates.
- There are two main types: hardneck and softneck. Hardneck often has larger cloves and produces edible flower stalks called scapes; softneck is common in warmer areas and braids well.
- Most garlic is planted as individual cloves in the fall, so roots form before winter and bulbs grow in spring.
- Garlic can be stored for a long time in a cool, dry place. Storing in oil is risky unless very careful to prevent botulism.

What makes garlic taste and smell so strong
- The sharp flavor and scent come from sulfur compounds released when the cloves are crushed, chopped, or chewed.
- Allicin is the key compound created when garlic is cut or crushed. It adds the “hot” taste and aroma.
- Cooking changes these compounds, usually mellowing the flavor.

Nutritional notes
- Raw garlic is mostly water, with carbohydrates, a little protein, and very little fat.
- It’s a good source of certain nutrients, especially vitamin B6, vitamin C, and manganese. It also contains other B vitamins and minerals in smaller amounts.
- A standard serving (about 1–3 cloves) is flavorful but not a large source of calories or most nutrients.

Health and safety notes
- Some studies suggest garlic may have small heart‑health effects, like a tiny reduction in blood pressure, but evidence is not strong for preventing disease.
- Garlic can interact with certain medicines (for example, blood thinners). If you take medicines, talk to a doctor about garlic.
- Garlic allergies exist and can cause digestive or other symptoms.
- Raw garlic can irritate skin or mucous membranes and can cause burns if applied directly to the skin.
- Garlic is toxic to pets if eaten in large amounts.

Culinary uses and varieties
- Garlic is used worldwide to flavor soups, sauces, meats, vegetables, breads, and more.
- Common forms include fresh garlic, garlic powder, garlic salt, and roasted garlic.
- Green garlic (immature plants) and garlic scapes (the flowering stalks) are also eaten and milder in flavor.
- Garlic is central to many sauces and dishes, such as aioli, toum, tzatziki, and several regional breads and spreads.
- Fresh garlic breath and body odor can occur after eating; some people use milk or parsley to help reduce the smell.

Storage and handling
- Store bulbs in a cool, dry place with the tops on to prolong life.
- Once peeled, refrigerate or use soon. Avoid storing garlic in oil at room temperature; if you do, acidify the mix and use it soon.
- If garlic shows mold or soft spots, discard it.

A quick summary
Garlic is a versatile, flavorful bulb used in countless cuisines and traditions. It’s easy to grow, varieties range from hardneck to softneck, and its distinctive taste comes mainly from sulfur compounds formed when the cloves are crushed. It can be enjoyed raw or cooked, has some potential health effects, and should be handled with care to avoid skin irritation or interactions with medicines.