Calpis

The founder of Calpis, Kaiun Mishima, travelled to Mongolia in 1902, encountering a traditional cultured milk product known as airag (called kumis throughout most of Central Asia). The active ingredient in airag, responsible for its unique flavour, is lactic acid produced by lactobacilli bacteria. After the airag he consumed helped return his digestion to normal, Mishima was inspired to develop his own version.

Daigomi, launched in 1916, was made by culturing cream with lactic acid bacteria. However, it was discontinued because of two major flaws: the amount of cream extracted from milk was inadequate for mass production, and there was a surplus of skimmed milk created as a by-product. Afterwards, Mishima created Daigoso by culturing skimmed milk with lactic acid bacteria. However, the product was also discontinued because of poor sales. His last unsuccessful attempt was Lacto Caramel, a product that contained live lactic acid bacteria. It was discontinued because the product melted during the summer.

Calpis was created by chance when Mishima added sugar to Daigoso and left it overnight. It was officially released on July 7, 1919, at the price of ¥1.60 per bottle. Diluting Calpis with water proved to be economical, quickly garnering popularity with customers, along with the catchphrase "the taste of first love". Calpis initially had the image of being a special drink, being reserved for special occasions or gifts; it was only around 1965 that it began to be treated as a normal beverage in ordinary households.

Orange-flavoured Calpis was released in 1958, with pineapple- and grape-flavoured versions following two years later. A carbonated version called Calpis Soda was also released in 1974. In 1973, sales plummeted after the price was raised. Within the first year of its initial release in 1991, 20.5 million cases of pre-diluted Calpis Water had been sold. It was also around this time that the company moved towards the use of paper containers and plastic bottles.

Name

The first two iterations of what would become Calpis, Daigomi and Daigoso, were named after daigo (醍醐), the Japanese word for sarpir-maṇḍa, regarded as the greatest of all flavours in Buddhism. Mishima wanted to do the same for Calpis and initially named it Calpir, a portmanteau of cal from calcium and pir from sarpir-maṇḍa. However, after consulting musician Kōsaku Yamada and Buddhist priest Kaigyoku Watanabe, Mishima chose pis from the Sanskrit sarpiṣ instead.

Primarily in North America, the name Calpico is used in place of Calpis to avoid associations with "piss", an English slang word for urine (though the "カルピス" in katakana remains on the packaging).