Department of Biological Sciences, Lehman College, and The Graduate Center, The City University of New York, 250 Bedford Park Boulevard West, Bronx, New York, United States.
J Agric Food Chem. 2011 Apr 13;59(7):3020-6. doi: 10.1021/jf200367j. Epub 2011 Mar 10.
Edible blueberry species are well recognized for their potential health benefits. Ericaceae fruits including the North American highbush blueberry (Vaccinium corymbosum L.) and five less common edible blueberry relatives from the New World tropics, Anthopterus wardii Ball, Cavendishia grandifolia Hoerold, Macleania coccoloboides A. C. Smith, Sphyrospermum buxifolium Poeppig & Endlicher, and Sphyrospermum cordifolium Benth, were investigated for their antioxidant properties and phenolic profiles. The neotropical berries C. grandifolia and A. wardii exhibited significantly higher 1,1-diphenyl-2-picrylhydrazyl (DPPH(•)) and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) (ABTS(• +)) free radical scavenging and iron chelation activities than V. corymbosum. Total phenolic content and high-performance liquid chromatography with photodiode array detection (HPLC-PDA) compositional fingerprint analyses were also carried out. Significant correlations were observed among total phenolic contents, DPPH(•) and ABTS(• +) scavenging, and iron chelation activities. By use of HPLC-PDA, the phenolic constituents in the berries were identified as chlorogenic acid, p-coumaric acid, hyperoside, quercetin-3-O-glucoside, isoorientin, isovitexin, orientin and vitexin. Principal component analysis reduced the dimensions of antioxidant and total phenolic data to two components, which accounted for 95% of total variation among the six fruits. Each fruit species formed its own cluster, and therefore the antioxidant profile of each species was shown to be distinct.
被广泛认可的可食用蓝莓品种具有潜在的健康益处。包括北美的高丛蓝莓（Vaccinium corymbosum L.）以及五个来自新世界热带地区的不太常见的可食用蓝莓亲缘种，即 Anthopterus wardii Ball、Cavendishia grandifolia Hoerold、Macleania coccoloboides A. C. Smith、Sphyrospermum buxifolium Poeppig & Endlicher 和 Sphyrospermum cordifolium Benth，它们的抗氧化特性和酚类成分都得到了研究。新热带浆果 C. grandifolia 和 A. wardii 表现出明显更高的 1,1-二苯基-2-苦基肼基（DPPH(•)）和 2,2'-联氮-双（3-乙基苯并噻唑啉-6-磺酸）（ABTS(• +））自由基清除和铁螯合活性，而 V. corymbosum 则没有。还进行了总酚含量和高效液相色谱与光电二极管阵列检测（HPLC-PDA）组成指纹分析。总酚含量、DPPH(•)和 ABTS(• +)清除以及铁螯合活性之间观察到显著相关性。通过 HPLC-PDA，鉴定了浆果中的酚类成分包括绿原酸、对香豆酸、圣草苷、槲皮素-3-O-葡萄糖苷、异芦丁、异荭草苷、木犀草苷和荭草苷。主成分分析将抗氧化和总酚数据的维度降低到两个成分，这两个成分占六种水果之间总变异的 95%。每个水果种类形成自己的聚类，因此每个种类的抗氧化谱被证明是独特的。
