
Bezoars are uncommon, but when they do occur, they can be dangerous. They are accumulations of particulate matter in the intestinal tract that can cause severe pain, nausea, vomiting, and even weight loss. The most common type of bezoar is the phytobezoar, which is composed of undigested vegetable matter and indigestible vegetable fibers. To prevent and treat phytobezoars, it is recommended to avoid certain vegetables and keep fiber intake low. So, what vegetables are allowable on a diet designed to prevent and treat phytobezoars?
| Characteristics | Values |
|---|---|
| Type of Bezoar | Phytobezoars |
| Risk Factors | Older adults, children, infants |
| Foods to Avoid | Fruits, vegetables, high-fiber foods, persimmons, celery, pumpkin, prunes, sunflower seed shells, raisins, leeks, beets |
| Treatment | High doses of digestive enzymes, meat tenderizers, endoscopic removal, Coca-Cola, cellulase, papain, metoclopramide, extracorporeal shock wave lithotripsy, surgery |
| Prevention | Chew food thoroughly, psychiatric treatment |
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What You'll Learn
- Phytobezoars are composed of undigested vegetable matter, including citrus fruits, celery, pumpkin, prunes, raisins, leeks, beets, and persimmon
- Vegetables with insoluble and indigestible fibres should be avoided, such as cellulose, hemicellulose, and lignin
- Vegetables with low fibre content are recommended to avoid aggravating bezoars
- Vegetables that are easy to digest and chew are suggested to prevent bezoars
- Avoid vegetables that can cause a build-up of matter in the gastrointestinal tract

Phytobezoars are composed of undigested vegetable matter, including citrus fruits, celery, pumpkin, prunes, raisins, leeks, beets, and persimmon
Phytobezoars are a type of bezoar, or trapped mass in the gastrointestinal system, that consists of indigestible plant material, including fibres, skins, and seeds. Phytobezoars are the most common type of bezoar, accounting for approximately 40% of all reported cases. They are typically found in the stomach but can also occur in the small intestine, leading to obstruction.
Citrus fruits, such as oranges, are commonly associated with phytobezoars due to their high fibre content. Celery, pumpkin, prunes, and raisins are also high in fibre, contributing to the formation of phytobezoars. Leeks and beets are less commonly associated with phytobezoars but still contain indigestible fibres that can contribute to their development.
The consumption of raw plant foods, including persimmons, increases the likelihood of phytobezoar formation as cooking softens these foods for easier digestion. Phytobezoars can be challenging to treat, and in some cases, surgery may be required. It is important to seek medical advice if you believe you have a phytobezoar, as they can cause serious complications if left untreated.
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Vegetables with insoluble and indigestible fibres should be avoided, such as cellulose, hemicellulose, and lignin
Bezoars are hard, tightly packed masses of undigested material that can form in the body. Phytobezoars, which are made of indigestible fibrous vegetable matter, are the most common type. They are composed of plant fibres such as cellulose, tannins, or other plant materials. Vegetables that contain insoluble and indigestible fibres, like cellulose, should be avoided to prevent the formation of bezoars.
Insoluble fibres do not dissolve in water and are not digestible. These fibres can help push food through the digestive system and support regular bowel movements. However, when consumed in excess, they can contribute to the formation of phytobezoars. While cellulose is found in many fruits and vegetables, some notable sources include celery, pumpkin, prunes, beets, leeks, and sunflower seed shells.
Hemicellulose and lignin are also insoluble fibres found in plants, including vegetables. Wheat bran and whole grains contain the highest amounts of these fibres, but vegetables and beans are also significant sources. Vegetables rich in these fibres can potentially contribute to the formation of bezoars and should be consumed in moderation.
It is worth noting that not all vegetable fibres are harmful and that a well-balanced diet with a variety of fibre-rich foods is generally recommended. Fibre, including insoluble fibre, has numerous health benefits, including promoting healthy digestion, reducing the risk of diseases, and supporting heart health. However, excessive intake of certain fibres, particularly in combination with other risk factors, can increase the likelihood of bezoar formation.
To summarise, while vegetables are an essential part of a healthy diet, those with high levels of insoluble and indigestible fibres, such as cellulose, hemicellulose, and lignin, should be consumed in moderation to reduce the risk of phytobezoar development. A varied diet that includes a range of fibre-rich foods is generally recommended to promote overall health and wellbeing.
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Vegetables with low fibre content are recommended to avoid aggravating bezoars
Bezoars are uncommon, but when they do occur, they can cause serious health issues. They are accumulations of matter in the intestinal tract that the stomach cannot digest. Phytobezoars, the most common type, are composed of indigestible vegetable fibres, including cellulose, hemicellulose, lignin, and fruit tannins. These fibres are common in fruits and vegetables, with persimmons, celery, pumpkin, prunes, leeks, beets, raisins, and sunflower seed shells being some of the most frequent offenders.
To prevent the formation of bezoars, it is recommended to reduce the consumption of foods with high levels of indigestible cellulose. This includes limiting the intake of certain fruits and vegetables, particularly those with a high fibre content. While a healthy diet typically includes a good amount of fibre, for those at risk of or suffering from bezoars, it is advisable to opt for vegetables with lower fibre content.
Vegetables with low fibre content include asparagus, cucumbers, mushrooms, spinach, and zucchini. These vegetables are less likely to aggravate bezoars as they are easier to digest and do not contribute to the accumulation of indigestible matter in the intestinal tract. Cooking vegetables can also help break down some of the fibres, making them easier to digest.
In addition to choosing low-fibre vegetables, adequate chewing and thorough mastication are important to aid digestion and prevent the formation of bezoars. It is also recommended to seek guidance from a gastroenterologist to learn how to avoid future bezoars.
While a low-fibre diet may be beneficial for those at risk of bezoars, it is always advisable to consult a healthcare professional for personalised advice and treatment options.
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Vegetables that are easy to digest and chew are suggested to prevent bezoars
Bezoars are uncommon in the small bowel and mostly affect older adults. They are accumulations of particulate matter in the intestinal tract that the stomach can't digest. Phytobezoars, the most common type, are composed of undigested vegetable matter and indigestible vegetable fibres. They are associated with the eating of unripe persimmons, a fruit that coagulates on contact with gastric acid, trapping seeds, skin, and other foodstuffs. Other offending fruits and vegetables include celery, pumpkin, prunes, raisins, leeks, beets, and sunflower seed shells. These foods contain large amounts of insoluble and indigestible fibres, such as cellulose, which is common in fruits and vegetables.
To prevent bezoars, it is recommended to avoid certain foods and keep fibre intake low. This includes avoiding fruits and vegetables with high levels of indigestible cellulose, such as celery, pumpkin, prunes, raisins, leeks, beets, and sunflower seed shells. Chewing food thoroughly before swallowing may also help to prevent bezoars.
Vegetables that are easy to chew and digest can be a good option for those at risk of developing bezoars. Some examples of easy-to-chew and digest vegetables include:
- Cooked vegetables: Cooking vegetables can make them softer and easier to chew and digest. Options such as steamed broccoli, boiled carrots, or roasted eggplant can be gentle on the digestive system while still providing essential nutrients.
- Leafy greens: Leafy greens like spinach, lettuce, and Swiss chard are gentle on the stomach and easy to digest. They are also rich in nutrients like iron, vitamin K, and fibre, which can aid in digestion.
- Cucumber: Cucumbers have a high water content, which makes them easy to digest. They are also hydrating and refreshing, making them a good choice for a light snack or salad ingredient.
- Sweet potatoes: Sweet potatoes are starchy vegetables that are easy to digest. They are rich in fibre and contain vitamin A, making them a nutritious option. Baking or steaming sweet potatoes can make them even easier on the digestive system.
- Squash: Squash, such as zucchini or yellow squash, is mild-tasting and easy to digest. It can be prepared in various ways, including steaming, grilling, or sautéing. Squash is also a good source of vitamins and minerals.
It is important to note that while these vegetables are generally easy to chew and digest, individual tolerance may vary. It is always recommended to consult with a healthcare professional for personalised advice and to ensure that any dietary changes are safe and appropriate for your specific needs and health status.
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Avoid vegetables that can cause a build-up of matter in the gastrointestinal tract
Phytobezoars are the most common type of bezoar, and they are composed of indigestible vegetable fibres. They are formed when large quantities of these fibres are ingested and accumulate in the body.
Vegetables that contain large amounts of insoluble and indigestible fibres, such as cellulose, include celery, pumpkin, prunes, leeks, beets, and persimmon. Persimmons, in particular, are notorious for causing bezoars due to their high fibre content. When persimmons come into contact with gastric acid, they produce a sticky, gelatinous substance that traps seeds, skin, and other food items.
To avoid the formation of bezoars, it is recommended to reduce the intake of foods with high levels of indigestible cellulose. This includes avoiding or reducing the consumption of the aforementioned vegetables, as well as citrus fruits, orange pits, seeds, roots, and leaves.
It is important to note that bezoars can also be caused by other factors, such as medication, parasitic worms, tissue paper, plastic, and polystyrene foam cups. However, for individuals at risk of developing bezoars, modifying their diet by reducing their intake of certain vegetables can be a preventive measure.
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Frequently asked questions
Bezoars are accumulations of particulate matter in the intestinal tract. They are pretty rare and can be caused by a buildup of material in the gastrointestinal tract that the stomach can't digest.
It is recommended that patients with bezoars avoid fruits and vegetables and keep their fiber intake low to prevent the bezoar from growing. Vegetables that should be avoided include celery, pumpkin, prunes, raisins, leeks, beets, and persimmon.
Most bezoars cause no symptoms because they don't completely block the digestive tract. However, when symptoms do appear, they typically include abdominal pain, nausea, vomiting, early satiety, foul breath, and weight loss.











































