Chamaecyparis obtusa polysaccharides for anti-aging
U.S. Patent 8557795
Publication date: Oct. 15, 2013
Assignee: Amorepacific Corp.
This patent relates to a topical composition containing a Chamaecyparis obtusa (Hinoki cypress) polysaccharide as an active ingredient, which improves skin elasticity and reduces wrinkles by promoting collagen production. According to the inventors, it also shows excellent skin-whitening effect by inhibiting melanogenesis, improves skin moisturization by promoting keratinocyte differentiation, and has excellent anti-inflammatory and skin regeneration effects.
Hinoki oil
Hinokitiol has bee drawing an attention for its strong anti-bacterial effect and anti-bacterial spectrum.
Hinokitiol is crystalline acidic compounds relatively much contained in Aomori Hiba. As other trees containing Hinokitiol, Taiwan Hinoki (Taiwan), Western red cedar (North America) are named, but Hinokitiol is not almost contained in Japanese Hinoki.
In 1936, Taiwan hinoki oil was isolated for the first time, and almost same period, a scholar of Sweden succeeded isolation of the same compound separately. In those days, it became a focus of attention due to having tropolone skeleton. Recently, the strong antibacterial activity and wide antibacterial spectrum of Hinokitiol have been revealed by Doctor Toshihiro Okabe at Aomori prefecture industrial test station, and a new attention has been focused.