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糖是人体生活的必需物质,人体的热量和能量主要是靠糖来产生的,如人吃的米面等所含的淀粉,经过胃肠内的消化酶作用变成葡萄糖,满足人体的需要。但是人们还喜欢吃甜味的物质,早在史前时代,人们就从野果或野蜂酿造的花蜜中取糖来食用。糖在古书上写作“饧”。甘蔗原产于新几内亚,早在二、三千年前,就传播到许多亚洲热带地区,最早人们只是咀嚼其甜的汁液,大约在四至六世纪期间,印度居民开始用甘蔗的糖汁做成固体的糖,后来发展
Sugar is an essential substance of human life, the body’s calories and energy are mainly generated by sugar, such as rice contained in human eat starch, through the role of digestive enzymes in the gastrointestinal into glucose, to meet the needs of the human body. However, people also like to eat sweet substances. As early as prehistoric times, people took sugar from nectar brewed by wild fruit or wild bee. Sugar in the ancient book writing “饧”. Originally found in New Guinea, sugarcane spread to many tropical regions of Asia as early as two or three thousand years ago. The earliest people were only chewing their sweet juice. Around the fourth and sixth centuries, Indian residents started to make sugar from sugar cane Sugar, later development