Beyond
butter chicken, onions reign supreme in Indian cuisine, celebrated for their
flavour and surprising health benefits. This humble vegetable is packed with
nutrients, antioxidants and fiber, promoting heart health, digestion, and blood
sugar regulation. Studies suggest onions may even play a role in cancer
prevention, making them a valuable addition to any diet.
Indian good
is incredibly diverse; it’s certainly more than Butter chicken and pani puris. But
there is one vegetable that has created monopoly of sorts. It’s present in
almost every other Indian dish, and is indeed famous for its flavour profile. We
are talking about onions. Every layer of this vegetable has a story to tell. Apart
from adding onions to a variety of dishes, it is also eaten raw and pickled. A splash
of lemon juice over a thinly sliced raw onion, along with a pinch of salt, has
its own distinct flavour that can elevate any dish.
So, what’s
really the deal with onions? Why are Indians obsessed with onions, and why are
they eaten with every meal? Well, the taste certainly is a factor. But, there is more. This humble vegetable is a powerhouse of nutrients and has surprising
health benefits.
Nutrient dense
Onion is
packed with nutrients. There is more to those humble layers than what meets the
eye. Low in calories, onions are rich in vitamins, fiber and minerals.
One medium
onion 110 gm has
Calories 44
Protein 1.3
g
Carbs 10.3g
Sugar 4.7 g
Finer 1.9 g
Fat 0.1 g
Potassium 3.4
% of daily value (DV)
Vitamin C 9
% of the DV
Rich in
antioxidants
Onion are one of the best natural sources
of antioxidants. These antioxidants inhibit oxidation, and hence lower the risk
of diseases such as cancer, diabetes, and heart diseases.
Red onions
have anthocyanins, which protect against diabetes and some types of cancers. It
also has antioxidants like quercetin, which fight free radicals and reduce
inflammation. This can help prevent chronic diseases and slow down ageing.
Good for
heart health
An onion a
day, perhaps =, could keep many heart diseases at bay ! the antioxidants in the
onion may reduce the risk of heart diseases by preventing inflammation and also
reducing bad cholesterol, and lowering blood pressure.
A study
from 2015 found that taking 162 mg of onion extract rich in quercetin every day
helped lower the top number of blood pressure ( systolic) by 3.6 mmHg in people
who were overweight and had high blood pressure. Balancing blood pressure is
linked with improved heart health.
Anti-cancer
properties
Onions may
play a role in cancer prevention, thanks to their organosulfur compounds and
antioxidants. These compounds have been shown to inhibit the growth of cancer
cells, particularly in the stomach and colorectal cancers.
A review of
16 studies in 2014, with 13,333 people, suggested that people who are more
onions had a 15 % lower risk of colorectal cancer than those with the lowest
intake.
Promotes digestion
Onions are
a good source of dietary fiber, which is essential for a healthy digestive
system. The fiber add bulk to stool, preventing constipation, and promoting
regular bowel movements.
This vegetable
is also a rich source of prebiotics, which nourish beneficial gut bacteria. Maintaining
a healthy gut microbiome is linked to improved digestion, better nutrient
absorption and even enhanced mood.
A 2025
study looked into the various impacts of onion extracts on the gut microbiome. They
found that onion extracts could serve as promising prebiotics by altering gut
microbial structure and promoting the production of beneficial metabolites,
including SCFAs and indole derivatives and enhancing the growth of probiotics.
Supports blood
sugar regulation
For those
managing diabetes or who want to maintain stable blood sugar levels, onions are
your best friends. They contain chromium, a trace mineral that enhances insulin
sensitivity and allows the body to better regulate blood glucose.
A 2010
study found that eating 100 gm of raw onion reduced fasting blood sugar levels
after 4 hours in people with type 1 and type 2 diabetes.
Beyond Butter Chicken, onions reign supreme in Indian cuisin ..