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Is broccoli a special force for detoxification and anti-cancer? Stir-fried broccoli with prawns, garlic broccoli.
.
.
are our favorite dishes
.
However, there are many sayings that broccoli is a "vegetable crown" that can help detoxify the body and is an "anti-cancer special force.
" Is broccoli really so magical?
Broccoli: "Vegetable Crown" is just a false name
Broccoli, orchid (broccoli), also known as green cauliflower, broccoli, broccoli, etc.
, belong to a variety of Brassica cabbage in the cruciferous family
.
Cruciferous vegetable family is very large, in addition to broccoli, cauliflower common there, cabbage, carrots, cabbage, kale and so on
.
, belong to a variety of Brassica cabbage in the cruciferous family
.
Cruciferous vegetable family is very large, in addition to broccoli, cauliflower common there, cabbage, carrots, cabbage, kale and so on
.
It is said that broccoli is rich in nutrients, and because its nutritional content ranks first among similar vegetables, it is known as the "vegetable crown".
For example, it is often cited that broccoli contains a lot of vitamin C, which can enhance the liver's detoxification ability and improve Body immunity
.
In fact, every 100 grams of broccoli contains about 51 mg of vitamin C.
This content is indeed top-notch among common vegetables.
However, this does not mean that broccoli has the vitamin C that dominates the vegetable industry.
In fact, There are many vegetables in life that have higher vitamin C content.
For example, pea seedlings 67, sweet pepper 72, green pepper 62, seaweed sprout 57, rape sprout 65 [1].
.
.
it is completely one's own to say that it is the "vegetable crown" Be both a coach and a referee
.
If you want to get vitamin C, broccoli is not the only choice.
Many vegetables and fruits are good choices
.
For example, it is often cited that broccoli contains a lot of vitamin C, which can enhance the liver's detoxification ability and improve Body immunity
.
In fact, every 100 grams of broccoli contains about 51 mg of vitamin C.
This content is indeed top-notch among common vegetables.
However, this does not mean that broccoli has the vitamin C that dominates the vegetable industry.
In fact, There are many vegetables in life that have higher vitamin C content.
For example, pea seedlings 67, sweet pepper 72, green pepper 62, seaweed sprout 57, rape sprout 65 [1].
.
.
it is completely one's own to say that it is the "vegetable crown" Be both a coach and a referee
.
If you want to get vitamin C, broccoli is not the only choice.
Many vegetables and fruits are good choices
.
Broccoli: sulfur-containing substances are not a panacea
In addition to vitamin C, the sulfur-containing substances in broccoli are also objects that people talk about, such as isothiocyanate, sulforaphane, and indole-3-methanol [2]
.
It is said that the sulforaphane in broccoli can increase the activity of carcinogen detoxification enzymes, and help cancerous cells to repair into normal cells, especially for rectal cancer, breast cancer, etc.
It has a preventive effect.
It is the best anti-cancer vegetable
.
What are the sulfur-containing substances in broccoli? Is it so magical?
.
It is said that the sulforaphane in broccoli can increase the activity of carcinogen detoxification enzymes, and help cancerous cells to repair into normal cells, especially for rectal cancer, breast cancer, etc.
It has a preventive effect.
It is the best anti-cancer vegetable
.
What are the sulfur-containing substances in broccoli? Is it so magical?
Broccoli does contain these sulfur-containing substances, but they are all decomposed from glucosinolates (GS)
.
Glucosinolates, also known as glucosinolates, or glucosinolates for short, are a class of secondary metabolites of sulfhydryl glycosides synthesized from amino acids and are commonly found in cruciferous vegetables such as broccoli
.
.
Glucosinolates, also known as glucosinolates, or glucosinolates for short, are a class of secondary metabolites of sulfhydryl glycosides synthesized from amino acids and are commonly found in cruciferous vegetables such as broccoli
.
Glucosinolates extremely degradation products
Glucosinolates are a huge family, and more than 100 glucosinolates have been found in various plants
.
The intact glucosinolates have almost no biological activity and are very stable.
However, when plants are finely broken due to harvesting, processing, chewing, etc.
or plant hydrolysis, they release an enzyme called myrosinase (myrosinase).
Oleoside and myrosinase will react to produce active substances such as isothiocyanate, thiocyanate and nitrile
.
Because glucosinolate and isothiocyanate have special odor components, they affect the human sensory reaction.
Like other toxic plant defense metabolites, glucosinolates have antifeedant effects on animals and have a bitter taste, which can resist insects, herbivores and pathogenic microorganisms
.
However, glucosinolates are usually stored in the vacuoles of plant cells.
The myrosinase is stored in the cytoplasm, and the two do not disturb each other
.
.
The intact glucosinolates have almost no biological activity and are very stable.
However, when plants are finely broken due to harvesting, processing, chewing, etc.
or plant hydrolysis, they release an enzyme called myrosinase (myrosinase).
Oleoside and myrosinase will react to produce active substances such as isothiocyanate, thiocyanate and nitrile
.
Because glucosinolate and isothiocyanate have special odor components, they affect the human sensory reaction.
Like other toxic plant defense metabolites, glucosinolates have antifeedant effects on animals and have a bitter taste, which can resist insects, herbivores and pathogenic microorganisms
.
However, glucosinolates are usually stored in the vacuoles of plant cells.
The myrosinase is stored in the cytoplasm, and the two do not disturb each other
.
In some animal experiments and in vitro cell experiments, it was found that these sulfur-containing substances can inhibit the growth of bacteria and cancer cells
.
Scientists have also conducted a large number of human studies.
From the current results, the sulfur-containing substance in broccoli is not a panacea, and it is only a good idea if it can exert health effects
.
.
Scientists have also conducted a large number of human studies.
From the current results, the sulfur-containing substance in broccoli is not a panacea, and it is only a good idea if it can exert health effects
.
First of all, the glucosinolate content in broccoli is actually very low, the total glucosinolate content is generally only 1-4 mmol/g [3], and the amount used in animal experiments is generally very high, which is difficult to achieve with a normal diet
.
Secondly, the glucosinolate must have the function of myrosinase in order to function
.
Because of the special smell of sulfur-containing substances, cruciferous vegetables are generally seldom eaten raw and are usually cooked thoroughly.
In the process of food cooking, high temperature will inactivate myrosinase in plants on the one hand, and high temperature on the other hand.
It can also decompose glucosinolates into different products [4], not all beneficial substances that people need; even if eaten raw, myrosinase in vegetables is basically inactivated when it enters the body [5]
.
Therefore, the role of glucosinolates is very limited
.
.
Secondly, the glucosinolate must have the function of myrosinase in order to function
.
Because of the special smell of sulfur-containing substances, cruciferous vegetables are generally seldom eaten raw and are usually cooked thoroughly.
In the process of food cooking, high temperature will inactivate myrosinase in plants on the one hand, and high temperature on the other hand.
It can also decompose glucosinolates into different products [4], not all beneficial substances that people need; even if eaten raw, myrosinase in vegetables is basically inactivated when it enters the body [5]
.
Therefore, the role of glucosinolates is very limited
.
The health benefits of broccoli are just legends
Someone might say that when you eat broccoli, you will always take in some beneficial substances
.
So, what are the results of the population diet survey research? In fact, population-based dietary research also tells us that broccoli does not have any special health benefits
.
.
So, what are the results of the population diet survey research? In fact, population-based dietary research also tells us that broccoli does not have any special health benefits
.
Scientists have conducted research on cruciferous plants such as broccoli
.
There are indeed some studies that have found that cruciferous vegetables help prevent cancer, but some research results have not found beneficial results
.
Moreover, these studies are very preliminary, and they are still far away from "really effective"
.
The National Cancer Institute (NCI) comprehensively evaluated that although some studies have shown that vegetables are beneficial to reduce the incidence of certain cancers and chronic diseases, it is difficult to know exactly what impact cruciferous vegetables have on human health, because people daily The foods eaten are diverse, it is difficult to accurately analyze the role of cruciferous vegetables, and people who eat cruciferous vegetables often tend to pay more attention to healthy living and nutritious diet [6]
.
Therefore, the claims about broccoli's anti-cancer are just legends, and there is not enough evidence
.
.
There are indeed some studies that have found that cruciferous vegetables help prevent cancer, but some research results have not found beneficial results
.
Moreover, these studies are very preliminary, and they are still far away from "really effective"
.
The National Cancer Institute (NCI) comprehensively evaluated that although some studies have shown that vegetables are beneficial to reduce the incidence of certain cancers and chronic diseases, it is difficult to know exactly what impact cruciferous vegetables have on human health, because people daily The foods eaten are diverse, it is difficult to accurately analyze the role of cruciferous vegetables, and people who eat cruciferous vegetables often tend to pay more attention to healthy living and nutritious diet [6]
.
Therefore, the claims about broccoli's anti-cancer are just legends, and there is not enough evidence
.
In addition to fighting cancer, broccoli has many health legends, such as lowering blood sugar, lowering blood pressure, and caring for cardiovascular health
.
In fact, there is no conclusive evidence for these
.
As for detoxification, it's completely hypothetical
.
"Detoxification" itself is a marketing flicker concept
.
The human body has its own metabolic system, and the harmful metabolites produced will be excreted from the body through the normal metabolic system
.
No matter what you eat, our body has its own way of "detoxification" and metabolism
.
As long as the body is in a good nutritional state, there is no need for special recipes or foods to "detoxify"
.
.
In fact, there is no conclusive evidence for these
.
As for detoxification, it's completely hypothetical
.
"Detoxification" itself is a marketing flicker concept
.
The human body has its own metabolic system, and the harmful metabolites produced will be excreted from the body through the normal metabolic system
.
No matter what you eat, our body has its own way of "detoxification" and metabolism
.
As long as the body is in a good nutritional state, there is no need for special recipes or foods to "detoxify"
.
At present, broccoli can be a healthy vegetable.
It is not harmful to eat properly, but it does not have special health effects such as anti-cancer and detoxification
.
It is not harmful to eat properly, but it does not have special health effects such as anti-cancer and detoxification
.
Glucosinolates are also risky
Although some metabolites of glucosinolates may be beneficial to the human body, it should be reminded that there are many types of glucosinolates, the decomposition reaction is complex, and the substances produced are also diverse, and some metabolites may even be harmful
.
Although the glucosinolates in broccoli will not produce too harmful products, don't blindly think that all glucosinolates are good
.
.
Although the glucosinolates in broccoli will not produce too harmful products, don't blindly think that all glucosinolates are good
.
In fact, for a long time, as human food and animal feed, the degradation products of glucosinolates were once considered toxic
.
Studies have found that some of the degradation products of glucosinolates formed through the spontaneous cyclization process can cause goiters in feeding animals
.
For example, the rapeseed oil that we like to eat, many people like its fragrance.
In fact, the main source of its fragrance is the glucosinolates.
However, some studies have found that the glucosinolates in rapeseed oil are decomposed products.
It can interfere with the synthesis of the animal’s thyroid gland, leading to swelling of the thyroid gland.
It can also cause swelling of the animal’s liver and kidney.
In severe cases, it can cause liver hemorrhage and liver necrosis
.
Therefore, all countries in the world have restricted the glucosinolates in rapeseed oil, and canola oil with low glucosinolates has also been developed
.
.
Studies have found that some of the degradation products of glucosinolates formed through the spontaneous cyclization process can cause goiters in feeding animals
.
For example, the rapeseed oil that we like to eat, many people like its fragrance.
In fact, the main source of its fragrance is the glucosinolates.
However, some studies have found that the glucosinolates in rapeseed oil are decomposed products.
It can interfere with the synthesis of the animal’s thyroid gland, leading to swelling of the thyroid gland.
It can also cause swelling of the animal’s liver and kidney.
In severe cases, it can cause liver hemorrhage and liver necrosis
.
Therefore, all countries in the world have restricted the glucosinolates in rapeseed oil, and canola oil with low glucosinolates has also been developed
.
In general, broccoli is rich in vitamin C, dietary fiber and some plant antioxidants.
It is a healthy vegetable and can be used as a part of a healthy diet.
It is a good choice to eat a little every day without any safety issues.
But don't be overly superstitious about its health benefits
.
It is a healthy vegetable and can be used as a part of a healthy diet.
It is a good choice to eat a little every day without any safety issues.
But don't be overly superstitious about its health benefits
.
Reference materials:
[1] Chinese Food Composition Table 2002.
[2] Chen Wenyan, Ma Sanmei.
Research progress on the chemical constituents of cruciferous plants.
Seed, 2013, 32(4): 50-54
Research progress on the chemical constituents of cruciferous plants.
Seed, 2013, 32(4): 50-54
[3] Wang Jianhua, Zhang Zhenchao, Mao Zhongliang, et al.
Research progress on broccoli glucosinolates and their degradation products and breeding.
Jiangxi Journal of Agriculture, 2010, 22(12).
Research progress on broccoli glucosinolates and their degradation products and breeding.
Jiangxi Journal of Agriculture, 2010, 22(12).
[4] La Xiaogui, Fang Ping.
Research progress on the decomposition of glucosinolates[J].
2008,29(01);350-352
Research progress on the decomposition of glucosinolates[J].
2008,29(01);350-352
[5] BONES AM,ROSSITER JT .
The enzymic and chemically induced decomposition of glucosinolates [J].
Phytochemistry,2006,67(11):1053-1067
The enzymic and chemically induced decomposition of glucosinolates [J].
Phytochemistry,2006,67(11):1053-1067
[6] NCI.
Cruciferous Vegetables and Cancer Prevention.
Cruciferous Vegetables and Cancer Prevention.
