Skip to main content+
On this page

Can Pregnant Women Eat Umeboshi? (Japanese Pickled Plums, Salt Levels & Morning Sickness Explained)

Umeboshi (Japanese pickled plums) are extremely salty and sour. Learn if umeboshi are safe during pregnancy, how much is okay, sodium and blood-pressure risks, morning sickness benefits, storage rules, myths and trimester-wise guidance.

Personalized Safety Check

Safety for umeboshi during pregnancy

Get guidance based on your trimester & any health conditions you may have. Your details stay only on this device.

How has your doctor described your pregnancy?
Shubhra Mishra

By Shubhra Mishra — a mom of two who turned her own confusion during pregnancy into BumpBites, a global mission to make food choices clear, safe, and stress-free for every expecting mother. 💛

Are you a qualified maternal-health or nutrition expert? Join our reviewer circle.

Download the Complete Pregnancy Food Guide (10,000 Foods) 📘

Instant PDF download • No spam • Trusted by thousands of moms

💡 Your email is 100% safe — no spam ever.

Japanese umeboshi pickled plums in a small dish
Umeboshi (Japanese pickled plums) are generally pregnancy-safe in very small amounts — the main concern is extremely high salt, not the fruit itself. [1]

Is Umeboshi Safe During Pregnancy? Salt Levels, Nausea Relief, Fermentation & Trimester Tips

Umeboshi — intensely sour, salty Japanese pickled “plums” (actually pickled ume fruit) — are famous for waking up the appetite, cutting through heaviness, and pairing perfectly with a warm bowl of rice.

During pregnancy, many women wonder: “Can I still eat umeboshi? Is it too salty? Is the fermentation safe for my baby?”

The reassuring answer: yes, umeboshi is generally safe during pregnancy when eaten in small amounts, especially as part of a balanced meal. The real issues are salt load, hygiene, and overall blood pressure control, not the ume fruit itself.

Pregnancy Safety Score for Umeboshi

  • Healthy pregnancy, normal blood pressure: 7.5 / 10 (tiny amounts OK)
  • Gestational hypertension / preeclampsia risk: 4 / 10 (limit or avoid due to salt) [3]
  • Homemade umeboshi with questionable hygiene: 3 / 10 (spoilage risk) [2]

Quick Answer: Can Pregnant Women Eat Umeboshi?

  • ✔ Umeboshi itself is not toxic in pregnancy.
  • ✔ Fermentation + salt makes it shelf-stable when made correctly. [2]
  • ⚠ Very high sodium — large amounts can worsen swelling or blood pressure. [1]
  • ✔ Many women use tiny portions for nausea or low appetite.
  • ✘ Avoid if you are on a strict low-salt diet or have pregnancy hypertension unless your doctor says it’s okay. [3]

Cultural Background: Umeboshi in Japanese Cooking

Umeboshi has a long history in Japan as a functional food — used to:

  • Accompany plain rice in bento boxes
  • Flavor onigiri (rice balls) with a sour-salty core
  • “Cut through” greasy meals and help digestion
  • Act as a traditional remedy for fatigue, travel sickness or hangovers

Ume fruit is pickled with salt and often red shiso leaves, then dried and sometimes rehydrated. This creates a very stable, very salty product that can last a long time in cool storage. For pregnancy, this tradition is mostly positive — as long as you respect the salt.

How Umeboshi Is Made — And What That Means for Pregnancy

1. Ume Fruit (Plum/Apricot-Like)

Ume is a small stone fruit related to apricot. In umeboshi, it is always processed and salted, not eaten in large raw quantities. There is no special toxin in umeboshi that targets pregnancy; the main risk is salt load.

2. Heavy Salting + Fermentation

Traditional umeboshi use very high salt percentages, which:

  • Inhibits many harmful bacteria [2]
  • Allows storage at room/cool temperatures
  • Makes each piece extremely salty (like a concentrated seasoning)

Proper salt level + cleanliness usually makes umeboshi microbiologically safe — but not gentle on sodium intake.

3. Shiso Leaves & Acidity

Red shiso leaves sometimes added for color and aroma are generally safe. The overall product is very acidic and salty, which can help with nausea but also provoke heartburn in some pregnant women.

Salt, Swelling & Blood Pressure in Pregnancy

One umeboshi can contain as much sodium as a large pinch of salt. [1] In a normal, low-salt diet, adding a small umeboshi occasionally is unlikely to cause harm. But:

  • Women with gestational hypertension or preeclampsia are often advised to monitor sodium more strictly. [3]
  • Excess salt can worsen water retention and swelling in some pregnancies.
  • Frequent high-salt foods may contribute to higher blood pressure over time. [1]

If your doctor has mentioned concerns about your blood pressure or asked you to reduce salt, then umeboshi should be considered an occasional flavor accent, not a daily snack.

Storage & Safety: Jar on the Counter or in the Fridge?

Traditionally salted umeboshi are quite shelf-stable, but modern “low-salt” or reduced-sodium versions may need refrigeration for safety. [2]

  • Follow the label instructions (refrigerate after opening if advised).
  • Always use a clean utensil to remove pieces — do not use fingers directly in the jar.
  • Discard umeboshi that develops unusual mold, fizzing, or strong off-odors.
  • Keep away from direct heat and sunlight; use a cool pantry or fridge.
Jar of umeboshi stored safely on a cool shelf or in the fridge
Traditional high-salt umeboshi are stable, but modern reduced-salt versions often require refrigeration after opening. [2]

Trimester-Wise Guide to Eating Umeboshi

  • 1st Trimester: Strong sour-salty tastes can help some women manage nausea or metallic taste. Use tiny amounts (e.g., half a plum with rice) and stop if heartburn worsens.
  • 2nd Trimester: If blood pressure is normal, enjoying a piece occasionally with meals is usually fine. Balance the rest of the day with lower-salt foods.
  • 3rd Trimester: Swelling and heartburn are more common. If you are experiencing high blood pressure, kidney issues, or significant edema, ask your doctor before eating very salty foods like umeboshi. [3]
Umeboshi served over steamed rice with side dishes
Use umeboshi as a with rice or vegetables, not as a large standalone snack.

How Much Umeboshi Is Reasonable?

Think of umeboshi as a powerful seasoning, not a fruit portion.

  • Typical pregnancy-friendly serving: about ½–1 small umeboshi with a bowl of rice or as part of a meal.
  • Avoid eating several pieces at once due to salt load.
  • Pair with unsalted rice, vegetables and adequate water intake to balance the saltiness.

Common Myths About Umeboshi in Pregnancy

  • “All sour foods like umeboshi cause miscarriage.” — False. Normal dietary sour foods do not cause miscarriage; the concern is more about overall nutrition and medical conditions.
  • “Fermentation makes umeboshi unsafe for the baby.” — Traditional high-salt fermentation can actually protect against many bacteria; hygiene and storage matter far more. [2]
  • “If it’s traditional, I can eat unlimited umeboshi.” — Not true. Traditional foods can still be too salty for pregnancy if eaten in large quantities. [1]

Pregnancy FAQ About Umeboshi

Is umeboshi safe during pregnancy?

Yes — umeboshi is generally safe in small amounts if made hygienically and stored properly. The main concern is its extremely high salt content, not the pickling itself. [1]

Can umeboshi help with morning sickness?

Some women find the strong sour-salty taste of umeboshi helpful for nausea or loss of appetite. There is no magic cure, but sucking or nibbling a small piece can feel relieving for some.

Is the salt level in umeboshi dangerous for pregnancy?

One umeboshi can contain a very large amount of sodium. Occasional use is fine for most healthy pregnancies, but those with high blood pressure, preeclampsia risk, kidney issues, or major swelling should limit salty foods. [1] [3]

Are homemade umeboshi safe?

Traditional umeboshi are heavily salted and dried, which protects against many bacteria, but poor hygiene or low-salt modern recipes can still cause spoilage. Homemade jars should be kept cool, clean, and discarded if moldy, fizzy, or off-smelling. [2]

Does umeboshi contain alcohol?

Classic umeboshi pickles do not rely on alcohol, but some products (like umeboshi-flavored liqueurs or ume wine) do. Plain umeboshi is fine; avoid alcoholic ume drinks in pregnancy.

Can I eat umeboshi every day while pregnant?

Because of the intense salt content, daily or high-quantity intake is not ideal. Treat umeboshi like a strong condiment — a small piece now and then is fine, especially if your blood pressure is normal and diet is otherwise balanced. [1]

References

  • [1] — WHO: Salt intake, cardiovascular health and blood pressure.
  • [2] — CDC: Fermented and pickled food safety basics.
  • [3] — ACOG: High blood pressure, preeclampsia and pregnancy recommendations.

🥗 Nutrition Facts

sugar1 g
limit Per Day2 pieces
carbohydrates≈ 2 g
noteUse as a salty condiment, not as a fruit serving — especially if monitoring blood pressure or swelling.
sodiumVery high (often 500–800 mg per piece, varies by brand)
quantity1 small umeboshi (~10 g)
fats≈ 0 g
protein≈ 0.2 g
calories≈ 5–10 kcal
Shubhra Mishra

About the Author

When Shubhra Mishra was expecting her first child in 2016, she was overwhelmed by conflicting food advice — one site said yes, another said never. By the time her second baby arrived in 2019, she realized millions of mothers face the same confusion.

That sparked a five-year journey through clinical nutrition papers, cultural diets, and expert conversations — all leading to BumpBites: a calm, compassionate space where science meets everyday motherhood.

Her long-term vision is to build a global community ensuring safe, supported, and free deliveriesfor every mother — because no woman should face pregnancy alone or uninformed. 🌿

🌍 Stand with mothers, shape safer guidance

Join a small circle of experts who review BumpBites articles so expecting parents everywhere can decide with confidence.

References
  1. WHO — Salt Intake and Blood Pressure https://www.who.int/news-room/fact-sheets/salt-reduction
  2. CDC — Safe Fermented & Pickled Foods https://www.cdc.gov/foodsafety
  3. ACOG — High Blood Pressure in Pregnancy https://www.acog.org/womens-health

⚠️ Always consult your doctor for medical advice. This content is informational only.

BumpBites Logo

🔗 Visit bumpbites.health for more pregnancy food insights.

🛍️ Check BumpBites merch