JungKwanJang, South Korea’s leading red ginseng brand under Korean Ginseng Corp., said Wednesday that it has launched a new red ginseng product using edible bird’s nests to target the Chinese market. Swallow’s nests, in particular, have long been considered a delicacy in Chinese cuisine, and more recently they are widely used in skincare products as they contain sialic acid, a type of amino acid, as...