Abstract: A method of reducing muscle damage in a human being includes providing an extract of Kenyan purple tea (scientific name: Camellia sinensis; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O—(S)-hexahydroxydiphenoyl-?-D-glucose (GHG). Then, an effective amount of the purple tea extract is administered to a body of a human being engaged in intensive exercise to reduce muscle damage associated with the intensive exercise.

Abstract: An intellectual productivity evaluation device includes: an obtainment unit configured to obtain a set of answer times required by a subject to accomplish a task of answering a plurality of questions, the task being imposed on the subject as intellectual work; an evaluation unit configured to calculate an evaluation value related to a depth of concentration of the subject in a concentrated state using the set of answer times obtained by the obtainment unit based on a model in which the subject is in the concentrated state or an unconcentrated state during the intellectual work; and an output unit configured to output evaluation value information indicating the evaluation value calculated by the evaluation unit.

Abstract: A method of reducing muscle damage in a human being includes providing an extract of Kenyan purple tea (scientific name: Camellia sinensis; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-?-D-glucose (GHG). Then, an effective amount of the purple tea extract is administered to a body of a human being engaged in intensive exercise to reduce muscle damage associated with the intensive exercise.

Abstract: A 5?-reductase inhibitor contains saw palmetto extract and seaberry extract as an active ingredient in a synergistic compounding ratio, wherein the compounding ratio by weight of the saw palmetto extract and the seaberry extract is 3:1˜2. The 5?-reductase inhibitor containing the saw palmetto extract and seaberry extract or just the seaberry extract as a 5?-reductase inhibitor can be administered to the human body in order to inhibit 5?-reductase. The 5?-reductase inhibitor is useful as a prostate enlargement inhibitor, an androgenic alopecia inhibitor, and an acne prevention and amelioration agent. The 5?-reductase inhibitor can be part of a food or drink composition or a cosmetic composition.

Abstract: An AMP-activated protein kinase (AMPK) activating agent comprises 1,2-di-O-galloyl-4,6-O—(S)-hexahydroxydiphenoyl-b-D-glucose (“GHG”) as an active ingredient. The AMPK activating agent can be a GHG-containing composition wherein the GHG is an active ingredient of the composition. The GHG-containing composition can be derived from Kenyan purple tea, whose scientific name is Camellia sinensis, variety name: TRFK306. An effective amount of the GHG can be administered to a cell to activate the AMPK. Drinks, foods, and cosmetics can have the GHG as an active ingredient.

Abstract: An AMP-activated protein kinase (AMPK) activating agent comprises 1,2-di-O-galloyl-4,6-O—(S)-hexahydroxydiphenoyl-b-D-glucose (“GHG”) as an active ingredient. The AMPK activating agent can be a GHG-containing composition wherein the GHG is an active ingredient of the composition. The GHG-containing composition can be derived from Kenyan purple tea, whose scientific name is Camellia sinensis, variety name: TRFK306. An effective amount of the GHG can be administered to a cell to activate the AMPK. Drinks, foods, and cosmetics can have the GHG as an active ingredient.

Abstract: A method of promoting NO-production in a human being includes providing an extract of Kenyan purple tea (scientific name: Camellia sinensis; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-?-D-glucose (GHG). Then, an effective amount of the purple tea extract is administered to a body of a human being in need of NO-production promotion.

Abstract: This invention provides a prophylactic and therapeutic agent for dry eye, having new ingredients to reduce the deterioration of the lacrimal secretory ability and to inhibit the generation of radical oxygen in lacrimal gland tissue. The prophylactic and therapeutic agent for dry eye of this invention contains the maqui berry extract as the active substance of this invention, i.e. containing delphinidin glycoside extracted from the maqui berry and at least one or more of the active substances delphinidin-3-sambubioside-5-glucoside, delphinidin-3,5-diglucoside, delphinidin-3-sambubioside and delphinidin-3-glucoside, preferably delphinidin-3,5-diglucoside.

Abstract: A method for activating energy metabolism in muscle cells by administering to human beings at least one active substance comprising methoxyflavone for energy metabolism activation, the at least one active substance shown in the following Chemical Formula 1, wherein for Chemical Formula 1, R1 means an alkyl group with the number of carbons being 1 and R2 is hydrogen, and neither the B-ring nor the C-ring of the flavone skeleton has a substituent The active substance can be part of a composition of food.

Abstract: The present disclosure relates to: an artificial peritoneal tissue comprising a cellular tissue and a mesothelial cell layer that covers the surface of the cellular tissue, wherein the cellular tissue comprises a fibroblast, an extracellular matrix, and a vascular endothelial cell and/or a lymphatic endothelial cell each capable of forming a lumen; and a method for producing the artificial peritoneal tissue.

Abstract: An air environment control system includes one or more adjustment devices that adjust an air environment in a space; and a control device that controls the one or more adjustment devices. The air environment control device includes an air environment control unit that controls (i) at least one of the one or more adjustment devices to create a cooler environment in the space, when a person does intellectual work in the space; and (ii) at least one of the one or more adjustment devices to create a warmer environment warmer than the cooler environment in the space, when the person has a break in the space. The control unit further controls at least one of the one or more adjustment devices to apply cool stimulation to the person, when the person starts the intellectual work in the space.