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Antioxidant and antibacterial effects of medicinal plants and their stick-type medicinal concentrated beverages

Food Science and Biotechnology 2020년 29권 10호 p.1413 ~ 1423
장현준, 김윤희, 강윤환, 최명환, 이정희,
소속 상세정보
장현준 ( Chang Hyeon-Jun ) - Daegu University Department of Food and Nutrition
김윤희 ( Kim Yoon-Hee ) - Daegu University Department of Food and Nutrition
강윤환 ( Kang Yun-Hwan ) - National Institute for Korean Medicine Development
최명환 ( Choi Myung-Hwan ) - Hanbando R&DB Center
이정희 ( Lee Jeung-Hee ) - Daegu University Department of Food and Nutrition

Abstract


Nine medicinal plants and their stick-type medicinal concentrated beverages (SMCB-I and SMCB-II) with different combination ratio were evaluated on antioxidant, nitric oxide (NO) inhibitory, and antibacterial effects against pathogenic bacteria involved in respiratory system illnesses. Antioxidant activity was high in Syzygium aromaticum, Pueraria lobata, Plantago asiatica, and Kalopanax pictus which have higher contents of total phenolics and total flavonoids. The NO inhibitory activity was high in Syzygium aromaticum, Plantago asiatica, and Glycyrrhiza uralensis. Syzygium aromaticum, Plantago asiatica, Kalopanax pictus and Glycyrrhiza uralensis showed higher antibacterial activity than the other five medicinal plants against Staphylococcus aureus, Corynebacterium diphtheriae, and Mycobacterium sp. SMCB-II exhibited higher antioxidant, NO inhibitory, and antibacterial effects than SMCB-I, since Syzygium aromaticum, Pueraria lobata, and Kalopanax pictus were only used for the production of SMCB-II. The SMCBs would be expected to contribute to an easy-to-carry, easy-to-consume, and high value-added health beverage for the modern people.

키워드

Antibacterial; Antioxidant; Medicinal plants; Nitric oxide; Stick-type medicinal concentrated beverage

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