"We wanted to cater to people who are looking for something that tastes good but is also good for health and beauty," he said.
Coca Cola is the leader in Japan's cola market but faces stiff competition from non-carbonated bottled drinks such as tea, coffee and fruit juices.
Rival Pepsi Cola is countering with another exotic cola -- Japanese basil-flavored "Pepsi Shiso," which hits stores in late June.
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