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The walnut tree (Juglans regia L.) is a well-known member of the Juglandaceae family and is widely cultivated worldwide. Since ancient times, parts of the walnut tree have been used in traditional medicine for the treatment of various diseases (such as venous insufficiency, hemorrhoids, hypoglycemia, diarrhea, asthma, eczema, stomachache, cancer, and microbial infections). Walnut leaves and green husks are important agricultural byproducts, which attract attention in terms of their chemical composition (such as protein, fat, carbohydrate, vitamin E and minerals including Ca, K, Mg, Fe, Zn and Mn) and bioactive contents (such as phenolics, flavonoids, organic acids, triterpenic acids, terpenes, terpenoids, tetralon derivatives, megastigman derivatives and juglone), and they are cheap and abundant while being in the form of waste. Walnut leaves and green husks, which have qualities that can be used in the development of high value-added products and functional foods, may provide benefits to human health with their various properties such as antioxidant, antimicrobial, antifungal, anti-inflammatory, antidiabetic, anthelmintic, antidiarrheic, antihistaminic, antiulcer, antiasthmatic, immunomodulator, antifertility, anticancer, anti-aging and hepatoprotective. In this review, general information is presented about their health benefits and potential as functional additives and/or nutraceutical in foods, by drawing attention to the phytochemical profiles and chemical properties of walnut leaves and green husks, which are agricultural wastes. [ABSTRACT FROM AUTHOR]

Obesity has become a major public health problem and should be considered with not only medical aspects also the social and economic aspects. According to the data of the World Health Organization (WHO), obesity and obesity-related diseases cause the death of over a million people worldwide each year. Science of nutrition has proven the effects of nutrition on human health and direct correlation between nutritional habits and the frequency of some diseases. Improvement of national nutrition policies about obesity is within the framework of responsibilities of the public organizations and food industry by considering the new approaches. Development and evaluation of new strategies about reducing the effects of fat and carbohydrates on weight gain are required to prevent or reduce obesity. It has been reported that food constituents, which are naturally found in foods, may be effective on the control of weight gain via various mechanism and have been studied as a new approach for obesity prevention. In this article, recent studies about some foods or bioactive compounds found in foods, which can effect on obesity prevention, are reviewed. [ABSTRACT FROM AUTHOR]