5RAYNOLDS L T. Re-embedding global agriculture: the international organic and fair trade movements[J]. Agriculture and Human Values, 2000, 17(3) :297-309.
6Chen M ,Jiang Q, Yin X R, et al.Effect of hot air treatment on organic acid and sugar-metabolism in ponkan (citrus reticula- ta) fruit[J] .Scientia Horticulturae,2012,147(4) : 118-125.
7Roongruangsri W, Rattanapanone N, Leksawasdi N, ed al.Changes in organic acid contents and related metabolic enzyme activ- ities at different stages of growth of two tangerine cultivars [J] .Journal of Agricultural Science,2012,4 (12) :325-326.
8Sun X H, Xiong J J, Zhu A D, et al.Sugars and organic acids changes in pericarp and endocarp tissues of pumelo fruit during postharvest storage[J] .Scientia Horticulturae, 2012,142(4) : 112-117.