Saraya Co., Ltd.

Osaka University

Mizuyuki Ryu

Yoshihiko Hirata

Nanase Ishii

Yoshiki Sawa

Shigeru Miyagawa

Michiaki Araki

Atsuhiro Saito

Yasuki Matsumura

Hitoshi Ito

Takashi Takeuchi

Kentaro Matsumiya

Yasushi Suzuki

Hiromitsu Tabata

Motoki Tatsumi

Asuka Nogami

Hirotatsu Ohkawara

A cell cryopreservation method including adding a 1 volume % of a composition comprising 0.01 wt % to 20 wt % of a sophorose lipid to cells in a cell culture medium just before or up to 6 hours before cryopreserving the cells; and cryopreserving the cell culture medium, wherein the composition improves cell viability after cryopreservation compared to cells that are cryopreserved with a similar composition that does not contain the sophorose lipid.

Cell cryopreservation composition and cryopreservation method

The present invention provides an orally administered composition comprising a sophorolipid, a physiologically active substance, and an oil or fat, wherein the physiologically active substance exhibits an improved bioavailability.

Composition comprising sophorolipid, physiologically active substance and oil or fat, and method for producing the same

The present invention provides a high-purity acid-form sophorolipid (SL)-containing composition characterized by substantially not containing acetic acid. The high-purity acid-form SL-containing composition can be produced, for example, by the following method:

High-purity acid-form sophorolipid (SL) containing composition and process for preparing same

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Osaka, Japan

Mizuyuki Ryu