KR-102963644-B1 - Method for producing licorice powder using spray-drying method and sugar substitute composition using the same

Abstract

The present invention relates to a method for producing spray-dried licorice powder characterized by including the steps of lactic acid bacteria fermentation, hot water extraction, concentration, and spray drying of licorice, spray-dried licorice powder produced by the said method, and licorice coffee containing said spray-dried licorice powder.

Inventors

• 김태준

Assignees

• 농업회사법인 유한회사 케어팜

Dates

Publication Date

20260513

Application Date

20231220

Priority Date

20221227

Claims (7)

1. (1) A step of preparing a fermented licorice product by inoculating 150 kg of licorice with a culture of Lactobacillus plantarum and fermenting it in solid form at 37°C for 3 days; (2) A step of preparing a licorice extract by adding 1500 L of water to the licorice fermented product prepared in step (1) above and extracting at 95℃ for 5 hours; (3) A step of preparing a licorice concentrate by concentrating the licorice extract prepared in step (2) above to 18-20 Brix at 53℃; (4) A step of producing spray-dried licorice powder by spray-drying the licorice concentrate prepared in step (3) above using a spray dryer set to an injection temperature of 180℃, an discharge temperature of 100℃, a chamber pressure of -9.7 MPa, and a spray volume of 100 L/h; (5) A step of roasting green coffee beans at 180~250℃ for 8~20 minutes and cooling to 15~30℃; (6) A step of preparing coffee powder by aging the cooled coffee beans from step (5) at a temperature of 15~25℃ and 50% relative humidity for 48 hours and grinding them; and (7) A method for manufacturing licorice coffee characterized by including the step of mixing the coffee powder manufactured in step (6) with the licorice spray-dried powder manufactured in step (4) in a weight ratio of 98:2.
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Description

Method for producing licorice powder using spray-drying method and sugar substitute composition using the same The present invention relates to a method for manufacturing spray-dried licorice powder and a spray-dried licorice powder manufactured by the said method, characterized by comprising the steps of: (1) inoculating licorice with a lactic acid bacteria culture solution and fermenting it to produce a fermented licorice product; (2) adding water to the fermented licorice product prepared in step (1) and extracting it to produce a licorice extract; (3) concentrating the licorice extract prepared in step (2) to produce a licorice concentrate; and (4) spray-drying the licorice concentrate prepared in step (3). Dietary habits in Korea have undergone many changes over the decades due to the Westernization of the diet, and the risk of obesity and chronic diseases is increasing due to nutritional excess, food abundance, and reduced physical activity. In particular, sugar intake in Korea continues to rise. Consuming large amounts of sugar-rich foods can lead to a decrease in the intake of other foods rich in nutrients, resulting in nutritional imbalance. Additionally, calories easily obtained from sugar can be easily accumulated as body fat, potentially causing obesity. To address this, various policies regarding the restriction of sugar intake are being implemented worldwide. Korea also introduced total sugar intake standards in 2010 and is currently establishing various policies to reduce sugar consumption. Glycyrrhiza uralensis Fischer (licorice, licorice) is a perennial plant of the Fabaceae family that grows to a height of 1 to 1.5 m. Its reddish-brown roots have a sweet taste and are used for both culinary and medicinal purposes, as well as as a sweetener. In traditional Korean medicine, it is stated that "the roots of licorice are used as a medicinal ingredient; they taste sweet and are non-toxic." It is known to possess a warm energy that acts on the heart, lung, and stomach meridians. Regarding diseases, it is known to be effective for mastitis (a boil where the breast tissue festers), dampness-induced itching of the skin, and skin wounds. As mentioned earlier, licorice is known to exhibit various physiological activities, such as anti-inflammatory, antibacterial, antioxidant, antithrombotic, antidiabetic, anti-ulcer, and antiviral effects, as it is used as a component of all herbal medicines. Various physiological activities have been reported for the components of licorice, including triterpenoids such as glycyrrhetic acid and flavonoids such as liquiritin apioside and liquiritin. In addition, it is reported to contain isoflavonoids such as isoliquiritin, licoricidin, glabridin, and glabra, as well as other amino acid compounds such as alanine, asparagine, and glycine. Glycyrrhizic acid, which gives licorice its sweet taste, exhibits anti-inflammatory, anti-allergic, and anti-asthmatic effects, and liquiritin is converted into liquiritigenin, an aglycone form, upon absorption into the body and is reported to have hepatoprotective activity, inhibition of melanin production through tyrosinase inhibition, antitussive effect, neuroprotective activity, and anti-inflammatory activity. Spray drying, widely utilized in the food industry, offers advantages such as preventing oxidation and stabilizing food materials, solidifying liquid foods, controlling release rates, and improving physical properties. In this process, coating materials are selected based on the characteristics of the core material and the intended use, and it is reported that the properties of spray-dried particles are determined by the type and composition of the coating material. Inflammatory response is characterized by a series of complex physiological reactions—such as enzyme activation, secretion of inflammatory mediators, fluid infiltration, cell migration, and tissue destruction—caused by inflammatory mediators and related immune cells within local blood vessels and body fluids when tissue is damaged or when bacteria, viruses, or allergens penetrate the body, as well as external symptoms such as erythema, edema, fever, and pain. Normally, it serves to restore biological functions by eliminating external sources of infection and regenerating damaged tissues; however, if the inflammatory response occurs abnormally excessively or persistently, it can develop into a hypersensitivity or chronic disease and become an impediment during treatment processes such as blood transfusion, drug administration, and organ transplantation. Conventional anti-inflammatory agents, such as aspirin and indomethacin, which are widely used to treat inflammation, are known to cause side effects such as gastrointestinal disorders and hypervasodilation. Additionally, while antagonists against neuropeptides including Substance P, antagonists against kinins such as bradykinin, and cyclooxygenase inhibitors are representative examples, their long-term use is diffi