Peña-Rodríguez Alberto, Mawhinney Thomas P, Ricque-Marie Denis, Cruz-Suárez L Elizabeth
Programa Maricultura, Universidad Autónoma de Nuevo León, Cd. Universitaria F-67, San Nicolás de los Garza, Nuevo León 66450, Mexico.
AESCL Analytical Services, University of Missouri, Columbia, MO 65211, USA.
Food Chem. 2011 Nov 15;129(2):491-498. doi: 10.1016/j.foodchem.2011.04.104. Epub 2011 May 7.
Samples of cultivated Ulva clathrata were collected from a medium scale system (MSS, 1.5×1.5m tank), or from a large scale system (LSS, 0.8ha earthen pond). MSS samples were dried directly while the LSS sample was washed in freshwater and pressed before drying. Crude protein content ranged 20-26%, essential amino acids accounting for 32-36% of crude protein. The main analysed monosaccharides were rhamnose (36-40%), uronic acids (27-29%), xylose (10-13%) and glucose (10-16%). Some notable variations between MSS and LSS samples were observed for total dietary fibre (26% vs 41%), saturated fatty acids (31% vs 51%), PUFAS (33% vs 13%), carotenoids (358 vs 169mgkgdw) and for Ca (9 vs 19gkg), Fe (0.6 vs 4.2gkg), Cu (44 vs 14mgkg), Zn (93 vs 17mgkg) and As (2 vs 9mgkg). The chemical composition of U. clathrata indicates that it has a good potential for its use in human and animal food.
养殖的孔石莼样本采自中规模系统（MSS，1.5×1.5米的水箱）或大规模系统（LSS，0.8公顷的土池）。MSS样本直接干燥，而LSS样本在淡水中冲洗并压榨后再干燥。粗蛋白含量在20 - 26%之间，必需氨基酸占粗蛋白的32 - 36%。分析的主要单糖为鼠李糖（36 - 40%）、糖醛酸（27 - 29%）、木糖（10 - 13%）和葡萄糖（10 - 16%）。在MSS和LSS样本之间观察到一些显著差异，包括总膳食纤维（26%对41%）、饱和脂肪酸（31%对51%）、多不饱和脂肪酸（33%对13%）、类胡萝卜素（358对169毫克/千克干重）以及钙（9对19克/千克）、铁（0.6对4.2克/千克）、铜（44对14毫克/千克）、锌（93对17毫克/千克）和砷（2对9毫克/千克）。孔石莼的化学成分表明其在人类和动物食品应用方面具有良好潜力。
