Health & Beauty

Since the Japanese government added the "Functional Labeling Food System" in 2015, more than 4,000 new products have been successfully declared, of which about one-third of the products whose main purpose is weight loss, and the raw materials related to weight loss are also dazzling. Not only for different parts (legs, abdomen, visceral fat), but also according to different mechanisms (inhibiting the absorption of sugar and fat, enhancing fat metabolism).

In this article, Shiyanhui takes stock of the most used ingredients related to weight loss in Japanese functional foods in 2020, as well as novel new ingredients for weight loss.

The top ten weight loss ingredients reported

Among the raw materials related to weight loss, the top ten raw materials used are resistant dextrin, black ginger polymethoxy flavonoids, isomalt dextrin, ellagic acid, inulin, epigallocatechin gallate, and rose hips. The source is silver lindenin, Pueraria lobata isoflavones, biril and chlorogenic acid, three of which are dietary fiber and seven are plant extracts.

Among the specific products, there are more than 60 kinds of resistant dextrin as the main ingredient, which is much higher than other raw materials. Plant ingredients such as black ginger polymethoxy flavone, ellagic acid, silver lindenin and so on have begun to replace Pueraria lobata isoflavones. An important position in the weight loss market. As a member of Ayurvedic herbal raw materials, Peril has also become a popular weight-loss raw material after Garcinia Cambogia, Five-layer Dragon and Gymnema, and the number of related new products has reached 14 kinds.

1. Resistant dextrin

Number of declarations: 68

Application function: inhibit the absorption of fat and sugar

Resistant dextrin is a water-soluble dietary fiber. It is a low-calorie glucan obtained by extracting and refining the indigestible components of baked dextrin with industrial technology. It contains more than 85% of high dietary fiber and is natural and water-soluble. High resistance, heat and acid resistance, no peculiar smell, not easy to be damp and agglomerated, easy to process and other characteristics, can promote intestinal digestion and inhibit the increase of blood sugar. It has been widely used in various beverages, dairy products, convenience foods and confectionery snacks.

Asahi’s STYLE BALANCE series of carbonated beverages contain 5g of resistant dextrin, claiming to “inhibit the absorption of fat and sugar after meals”.

Udon noodles with resistant dextrin

2. Black ginger polymethoxy flavonoids

Number of declarations: 40 pieces

Reporting function: reduce body fat

The signature component of black ginger extract is 5,7-dimethoxyflavonoids, which are flavonoids with strong biological activity, which can accelerate metabolism and blood circulation, thereby consuming energy, especially for Abdominal fat (visceral fat and subcutaneous fat). At the same time, studies have confirmed that it also has the effect of maintaining the walking ability of middle-aged and elderly people who decline due to age.

3. Isomaltodextrin

Number of declarations: 29

Application function: inhibit the increase of blood sugar after meal

Isomaltodextrin is a water-soluble dietary fiber, which can inhibit the increase in blood sugar after a meal, thereby playing the role of weight loss.

4. Ellagic acid

Number of declarations: 22

Application function: reduce body fat and neutral fat

Ellagic acid is a natural polyphenol widely found in various plant tissues such as soft fruits and nuts. The ellagic acid in Japanese weight-loss products is mainly extracted from African mangoes. Ellagic acid can reduce the production of new fat cells and fatty acid synthesis in adipose tissue, while reducing the synthesis of triglycerides and fatty acids in the liver, and increase the level of fatty acid oxidation. Studies have shown that ellagic acid can help obese people lose weight, reduce waist circumference, reduce body fat, reduce visceral fat and blood triglycerides, and reduce BMI levels.

5. Inulin

Number of declarations: 20 pieces

Reporting function: inhibit the increase in blood sugar after a meal

Inulin is a natural soluble fiber obtained from the roots of chicory plants and is usually incorporated into processed foods to increase fiber, leavening and sweetness. Inulin can provide satiety, increase the number of intestinal bifidobacteria to improve the intestinal flora, reduce the blood triglyceride content, and reduce the glucose level after a meal, which is useful for blood sugar management and weight management. A certain function, it is a healthy weight-loss food.

Morinaga's grape-flavored throat lozenges are added with inulin.

6. Epigallocatechin gallate

Number of declarations: 20 pieces

Reporting function: reduce body fat

As the main component of green tea catechins, more and more studies have proved that epigallocatechin gallate (EGCG) can reduce lipid absorption, increase energy metabolism and fatty acid oxidation, and inhibit adipocyte differentiation and adipogenesis And other mechanisms improve high fat content in the body.

7. Rosehip source silver lindenin

Number of declarations: 17

Reporting function: reduce visceral fat

The "tiliroside" ingredient from rose hips is a patented ingredient of Morishita Rendan, which has the effect of promoting fat metabolism and reducing body fat. This ingredient has little bitterness and astringency, so it will not affect the taste of the applied product. It can be added to all kinds of common food and beverages, and only a small amount (0.1 mg) can be effective.

Suntory's non-alcoholic beer is added with silver lindenin, a source of rose hips.

8. Pueraria lobata isoflavones

Number of declarations: 17

Reporting function: reduce belly fat

Japanese scholars extracted isoflavones from Pueraria lobata flowers, and clinical trials have found that they can reduce body fat. The paper verifying the weight loss effect of isoflavones was published in the Japanese medical journal "Diagnosis and New Medicine", and the paper confirmed With daily intake of 42 mg of isoflavones extracted from Pueraria lobata, which is a functionally involved component, even without special exercise or diet, fat, weight, and waist circumference will be reduced.

9. Peril

Number of declarations: 14

Application function: inhibit the absorption of sugar

Peril is a traditional Chinese medicine mainly distributed in Southeast Asia. It has good detoxification and soothing effects, relieving cough and diarrhea, nourishing blood and stopping bleeding. The gallic acid extracted from the fruit of Peril can inhibit α-glucosidase to convert disaccharides into monosaccharides, thereby preventing the absorption of sugars, inhibiting the absorption of fats, and changing the neutral fat and blood sugar levels that rise after a meal. Be gentle.

Organland's "no calorie", each serving contains 440mg of Peril extract.

10. Chlorogenic acid (source of green coffee beans / longevity grass / eucommia leaves)

Number of declarations: 12

Reporting function: suppress blood glucose level after meal

Chlorogenic acid is a polyphenol compound, and its common sources are coffee beans and eucommia leaves. Its weight loss mechanisms are mainly: 1. Inhibit the activity of α-glucosidase and reduce its ability to break down carbohydrates; 2. Activate PPAR-alpha, increase heat production and decrease body fat; 3. By reducing triglycerides, The content of LDL-cholesterol and VLDL can reduce the fat content in the body; 4. By inhibiting fatty acid synthase, it slows down the absorption and production of fat; at the same time, it stimulates β-oxidation and increases the rate of fat decomposition.

Other commonly used ingredients for weight loss

1. Five layer dragon extract

Number of declarations: 10

Reporting function: inhibit the rise of blood sugar

The five-layer dragon contains "Six-layer dragon polyphenol", which can inhibit the activity of α-glucosidase, inhibit the decomposition of sugar into monosaccharides, so that the sugar is not easily absorbed by the body, and at the same time, it can inhibit the rise of blood sugar level.

2. Apple cider vinegar/acetic acid

Number of declarations: 6

Reporting function: reduce visceral fat

The acetic acid in vinegar can interfere with the synthesis of fat, play a role in consuming body fat, and can make the metabolism of sugar and protein go smoothly, so it has an auxiliary weight loss effect.

Novel ingredients for weight loss

1. β-Conglycinin

Studies have shown that continuous intake of 2.3 g/day of β-conglycin can reduce BMI and neutral fat content in the blood.

Tofu with β-con soy protein

2. Pepper extract (lutein)

Glico uses red peppers produced in Spain in southern Europe as raw materials and uses advanced extraction and refining technology to produce red pepper lutein preparation PapriX®. Reports have shown that lutein derived from red peppers can help reduce body fat in people who are prone to obesity. (Subcutaneous fat and total fat), the function of improving BMI value.

3. 10-Hydroxyoctadecanoic acid (10-HOA) derived from lactic acid bacteria CP1563 strain

Lactic acid bacteria CP1563 is derived from Calpis's research results for many years. It is a lactic acid bacteria that focuses on fat metabolism. Comparing the human group who ingested 10-HOA from CP1563 strain lactic acid bacteria and the placebo group for 18 consecutive weeks, it was found that the population fat and visceral fat of people who ingested CP1563 lactic acid bacteria were significantly reduced.

4. Lactoferrin

Studies have shown that oral lactoferrin helps reduce abdominal visceral fat and BMI. In an experiment with 26 subjects (Japanese men and women over 20 years old, BMI≥25, visceral fat area>100 cm^2), the two groups received lactoferrin and placebo respectively, and took 8 orally Zhou, the results confirmed that visceral fat and BMI were significantly reduced after intake of lactoferrin.

summary

At present, more than 300 million people in China are overweight and obese. With the advent of summer, weight loss has become a top priority. Consumers’ health awareness has increased, and scientific and healthy weight-loss methods have been praised. Weight-loss products with plant extracts, dietary fiber, probiotics and other natural raw materials as the main ingredients are replacing traditional synthetic weight-loss drugs with obvious side effects and are sought after by consumers.