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Heart-healthy, lower sodium version of traditional Chinese cuisine lowered blood pressure

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High blood pressure has fallen sharply among Chinese adults with high blood pressure, who have eaten a healthy heart, a four-week traditional Chinese diet, according to a new study published today in the journal taken American Heart Association Round.

An important feature of Chinese heart health food, designed with the Dietary Supplement Line to Stop High Blood Pressure (DASH), sodium depletion. An food allergiesespecially one that is high in sodium, is a dangerous key that can be changed for high blood pressure.

“Compared to the typical Chinese food ingredients in Chinese cities, our hearty healthy Chinese traditional food diet cuts sodium in half, from 6,000 mg per day to 3,000 mg each. day, reduce fat by a factor of two. dietary fiber. It also increases protein, carbohydrates and potassium, “said Yanfang Wang, first author and head of the research team, a nutritionist and professor at the University’s Center for Clinical Research. Peking in Beijing, China.

According to the study, Chinese make up more than one-fifth of the world’s population. Like other parts of the world, the incidence of heart disease has increased rapidly in recent years in China. Patients’ changes in Chinese diet have been a major cause of increased risk of heart disease.

A 2012 study by China found that the intake of healthy foods such as cereals (34%), tubers and legumes (80%), and vegetables and fruits (15%) decreased. matuka. In contrast, meat consumption (162%), egg (233%), and fat (132%) increased significantly at the same time.

“Chinese people living in the United States and elsewhere tend to adopt traditional Chinese food systems, which are very different from Western ones,” said Yangfeng Wu, MD, Ph.D., head of the research team. pathology and science at the university. Clinical study at the Peking University Medical Research Center in Beijing, China. “Healthy Western European diets such as DASH and the Mediterranean have been developed and proven to help reduce high blood pressure, however, to date, no healthy and nutritious foods have been developed to suit the diet. traditional Chinese. “

The study included 265 Chinese adults, with an average age of 56, included systolic hypertension equal to or more than 130 mm Hg. More than half of the participants were women, and almost half were taking high blood pressure at least when the study began. Participants were recruited from Beijing, Shanghai, Guangzhou and Chengdu. These are the four major Chinese cities, each with its own regional cuisine: Shangdong, Huaiyang, Cantonese and Szechuan, respectively.

China’s heart-healthy diet has been developed with local food safety organizations in these areas, and is relevant to the region’s four types of food, so that researchers can understand the impact of food and related to heart health will be useful and sustainable for different Chinese food cultures. This can be difficult at times since traditional Chinese food has a long history of using salt in cooking and food storage, over thousands of years. This is especially the case in northern China, where greens are less common in colder climates, and people eat salty vegetables during the winter and spring. This is why sodium intake is higher for people living in northern China.

At the beginning of the study, all participants ate a local, regular meal for seven days so that new meal plans could be customized to taste and taste. Researchers want a heart-healthy diet to be close to participants’ usual tastes, while balancing the foods used to improve heart health. After the first 7 days of their usual diet, 135 adults were illegally selected to eat a new Chinese hearty diet for 28 days, with the other 130 participants eating from their diet. usual practice. Depending on the group activity, the food was either regular or heart-healthy forms of Shangdong, Huaiyang, Cantonese and Szechuan cuisine. Study participants and blood pressure monitors did not know which food group the participants were assigned.

The researchers measured participants’ blood pressure before and after the study, and once a week during the study. Meals were measured for each dish to quantify the amount of nutrients for each meal. Urine samples were collected to measure sodium and potassium levels at the beginning and end of the study. The results show the effect of lowering the blood pressure of a healthy Chinese heart can be significant and suitable for high blood pressure medications.

The study found:

  • Participants who ate a healthy Chinese diet found it reduce blood pressurewith systolic (above) blood pressure decreased by an average of 10 mm Hg, and diastolic blood pressure decreased by an average of 3.8 mm Hg, compared to the group who ate a regular diet.
  • In the heart health group, calories from carbohydrates (8%) and protein (4%) increased and from fat decreased (11%). Consumption of fiber (14 grams), potassium (1,573 mg), magnesium (194 mg) and calcium (413 mg) increased, while sodium decreased (2,836 mg). The nutritional value of the group of regular diets, however, remained virtually unchanged from the beginning to the end of the study.
  • The taste and flavor options for Chinese heart-healthy food matched the usual home-cooked meals, and participants ate the same food and received the same amount of food they ate in the two food groups.
  • The average price of a heart-healthy Chinese meal is about RMB 4 (equivalent to $ 0.60 USD) extra per day, per person, on average, compared to a typical local meal. This is considered weak and generally affordable.
  • Blood pressure was significantly lower among participants in the four healthy Chinese food groups.

The researchers noted that these findings show that the results obtained by eating a healthy Chinese diet, if continued, can reduce major heart disease by 20%; heart failure by 28% and all-cause mortality by 13%.

“Health experts should recommend a healthy heart diet with low sodium and potassium, fiber, vegetables and fruits as a first line treatment for high blood pressure sufferers,” Wu said. . “Because traditional Chinese food culture and cooking methods are used wherever the Chinese live, I believe in Chinese nutrition and the principles we use to develop food. will help Chinese Americans. “

American Heart Association volunteer Lawrence J. Appel, MD, MPH, FAHA, explains, “The results of this trial are really interesting and provide a healthy eating plan for people who are eating out. Chinese-Shangdong, Huaiyang, Cantonese or Szechuan varieties The major public health efforts are guaranteed to ‘grow’ across China, to achieve population reduction in all over China. blood pressure. “

Appel is the vice president of the writing team for the 2021 scientific report of the American Heart Association, Dietary Guidelines for Improving Heart Health. The guidelines recommend the use of whole grains, legumes and plant-based proteins as well as a variety of fruits and vegetables; limit salt, sugar, animal fats, processed foods and alcohol; and use this guide regardless of where it is prepared or consumed.

The bottom line is that healthy Chinese food has been tested for only four weeks. Longer study periods can confirm and may also reinforce these results, according to Wu.


Sodium-DASH diet lowers blood pressure significantly in adults with high blood pressure


Learn more:
Healthy heart, low sodium in traditional Chinese food lowers blood pressure, Round (2022). DOI: 10.1161 / CIRCULATIONAHA.122.059045

hint: Healthy heart, low sodium in traditional Chinese food lowers blood pressure (2022, July 11) Retrieved 11 July 2022 from https://medicalxpress.com/news/2022-07-heart -healthy-sodium-version-traditional- Chinese.html

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