摘要:
紫薯属于甘薯的新品种,具有极好的营养价值和极高的药用价值。这极大促进紫薯在国内乃至国际的种植产业以及产品加工技术的发展。除含有普通甘薯的营养成分外,紫薯还富含花青素、多糖、黄酮类、绿原酸、异绿原酸和硒等功能性成分。正因为紫薯含有这些丰富的功能性成分,所以迫切需要将其加工成营养保健食品,目前以紫薯为原料的饮料类、酒类、牛奶类、全粉类等产品已成为热点。多项研究表明,长期食用紫薯或紫薯产品,可延缓人衰老,抑制致瘤致癌物质的产生,降低血糖血脂水平,利于益生菌的生长,抑制有害菌体的增殖,改善肝功能。现国内外对紫薯功能性及其食品开发的研究颇多,本文将对此作一重点概述,旨在为紫薯的进一步研究开发提供参考。
关键词:
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紫薯
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功能性成分
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食品开发
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花青素
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花色苷
Abstract:
Purple sweet potato is a variety of sweet potato,with excellent nutritional and medicinal value,which greatly promote the purple potato in the domestic and international of planting industry and product processing technology development. In addition to ordinary sweet potato contains nutrients,purple potato is also rich in anthocyanins,polysaccharides,flavonoids,chlorogenic acid,chlorogenic acid and selenium and other functional ingredients. Because of its rich functional ingredients,purple potato has been processed into many kinds of nutritional and healthy food. Purple potato,as a raw material,vigorously strengthens the beverage category,alcohol,milk,the whole powder,and long-term consumption of purple potato or purple potato products,can delay human aging,inhibit tumorigenic carcinogen production,beneficial to the growth of probiotics,lower blood glucose and lipid levels,inhibit harmful bacteria,improve liver function. The functional ingredients of purple potato have become the focus of food development and research at home and abroad. This article will make a key overview of this,aimed at providing a reference for purple potato further research and development.
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