河阴软子石榴的营养价值分析
2016-01-12闫生辉李兴奎高玉红
闫生辉 李兴奎 高玉红
摘要: 以荥阳河阴软子石榴为研究对象,采用苯酚-硫酸法、索氏提取法以及高效液相色谱法研究了其化学成分。结果表明,河阴石榴中含水量为79.8%,总糖度为16.58%,总酸度为0.52%,人体必需的7种氨基酸总含量为35.32 mg/100 g,维生素C为408.5 mg/100 g,维生素B1为69.4 mg/100 g,维生素B6为58.8 mg/100 g。钾、钙、磷、硫、铁、锰、铜等无机元素的含量也非常丰富。因此河阴石榴具有较高的营养价值。
关键词: 河阴软子石榴;蛋白质;脂肪酸;维生素;微量元素
中图分类号:X53 文献标识码:A 文章编号:0439-8114(2015)24-6376-03
DOI:10.14088/j.cnki.issn0439-8114.2015.24.073
Abstract: The chemical composition and nutritional value of Ying Yang Heyin soft pomegranate were studied and investigated using phenol-sulfuric acid, soxhlet extraction and high performance liquid chromatography. It was shown that water content was 79.8%,total sugar content was 16.58%,total acid content was 0.52%.There were 17 amino acids in Heyin pomegranates,and the content of total 7 essential amino-acids was 35.32 mg/100 g. The contents of Vitamin C,B, and B6 were 408.5, 169.4 and 58.8 mg/g, respectively. Heyin Pomegranates also contained varieties of minerals such as potassium,calcium,phosphorus,sulphur,ferrum,manganese,copper and so on. Heyin Pomegranates are of high nutritive value and have a health protection effect.
Key words:Heyin soft pomegranate;protein; fatty acids;vitamins; micro-minerals
石榴(Punica granatum L.)是落叶乔木或灌木,属石榴科(Punicaceae)石榴属(Punica L.)植物,原产巴尔干半岛至伊朗及其邻近地区,现分布于亚洲、非洲、欧洲沿地中海等温带和热带地区[1]。石榴在汉朝时由丝绸之路引入中国,成熟时的石榴皮色鲜红或粉红,易裂,子粒晶莹如宝石,酸甜多汁。因其色彩鲜艳、子多饱满,常被用作喜庆水果,象征多子多福、子孙满堂[2]。唐朝武则天就曾封石榴为多子丽人,此后石榴就成为历代宫廷贡品[3,4]。目前,石榴在中国主要分布于陕西、安徽、山东、江苏、河南、四川、云南及新疆等地,包括玛瑙石榴、粉皮石榴、青皮石榴、玉石子等70多个种类,其中河南省荥阳市的河阴石榴因其果实色泽鲜艳,石榴皮薄光滑,石榴仁特软可食,其味甘甜而无渣滓,故河阴石榴驰名全国,为河南名特产之一[5]。荥阳河阴石榴栽培面积达1.93万hm2,拥有140多个国内外优良品种,石榴挂果面积有1 700 hm2,年均产量2.5万t,年均效益2亿元,形成了北部邙岭长达1 km的河阴石榴产业带。从2005年以来,荥阳市已经成功举办了10届河阴软子石榴文化节,取得了石榴产业和文化旅游的双丰收[6]。……
