Eleanor Dunlop, Judy Cunningham, Paul Adorno, Georgios Dabos, Stuart K Johnson, Lucinda J Black
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引用次数: 0
摘要
维生素 K 是一种新兴的多功能维生素,在骨骼、大脑和血管健康方面发挥着作用。全球的维生素 K 成分数据仍然有限,而澳大利亚一直缺乏园艺产品中维生素 K1(植物喹啉酮,PK)的全国代表性数据。我们在澳大利亚的三个城市购买了 90 种不同的澳大利亚种植的水果、蔬菜和坚果的初级样品(n = 927)。我们采用液相色谱-电喷雾串联质谱法对 95 份复合样品中的 PK 进行了重复测定。羽衣甘蓝(565 微克/100 克)、小菠菜(255 微克/100 克)和球芽甘蓝(195 微克/100 克)中的 PK 平均浓度最高。这些数据为全球收集维生素K食物成分数据做出了贡献。这些数据进一步证明了不同地理区域之间的 PK 浓度存在显著差异,从而为尚未包含维生素 K 数据的国家食物成分数据库开发特定区域的数据集提供了支持。
Vitamin K content of Australian-grown horticultural commodities
Vitamin K is emerging as a multi-function vitamin that plays a role in bone,
brain and vascular health. Vitamin K composition data remain limited globally
and Australia has lacked nationally representative data for vitamin K1
(phylloquinone, PK) in horticultural commodities. Primary samples (n = 927) of
90 different Australian-grown fruit, vegetable and nut commodities were
purchased in three Australian cities. We measured PK in duplicate in 95
composite samples using liquid chromatography with electrospray
ionisation-tandem mass spectrometry. The greatest mean concentrations of PK
were found in kale (565 ug/100 g), baby spinach (255 ug/100 g) and Brussels
sprouts (195 ug/100 g). The data contribute to the global collection of vitamin
K food composition data. They add to the evidence that PK concentrations vary
markedly between geographic regions, supporting development of region-specific
datasets for national food composition databases that do not yet contain data
for vitamin K.