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6种主要食用竹笋的口感品质与营养成分比较

Comparison of Tasting Quality and Nutritional Component of Bamboo Shoots as Six Main Edible Varieties in Wencheng County

  • 摘要: 为发掘文成县优良食用竹笋类别,对该县的6种主要竹笋(毛竹Phyllostachys edulis笋、雷竹Ph. prominens笋、淡竹Ph. glauca笋、甜竹Ph. zhejiangensis笋、肿节少穗竹Oligostachyum oedogonatum笋和苦竹Pleioblastus amaru笋)的口感和营养成分进行了分析。结果表明,通过测定总酸、单宁、纤维素、木质素、水分、灰分、脂肪、蛋白质和可溶性固形物含量9项指标,发现不同竹笋间在口感品质和营养成分上存在显著差异(P<0.05)。口感品质方面,淡竹笋总酸含量最高,达3.09±0.17 g·kg−1,毛竹笋单宁含量最高,达3.70±0.27 g·kg−1,肿节少穗竹笋涩味最轻,单宁含量仅为0.88±0.12 g·kg−1,而苦竹笋木质素和纤维素含量最低,仅为17.0±1.2 g·kg−1,甜竹笋水分含量最高,达88.6%±2.3%;营养成分方面,雷竹笋灰分含量最高,达6.12±0.28 g·kg−1,毛竹笋脂肪含量最高,达4.50±0.23 g·kg−1,肿节少穗竹笋蛋白质和可溶性固形物含量均最高,分别为21.8±1.1 g·kg−1和80.5±3.5 g·kg−1。肿节少穗竹笋主产于文成县,以良好的食用品性为其在市场上赢得了竞争优势,相较于甜竹笋、毛竹笋、雷竹笋、淡竹笋等常见竹笋品种,肿节少穗竹笋更具发展潜力。

     

    Abstract: In order to investigate the quality of edible bamboo shoots produced in Wencheng County, the taste and nutritional components of six main edible ebamboo shoots, Phyllostachys edulis (Moso bamboo), Phyllostachys prominens (Phyllostachys praecox), Phyllostachys glauca (Sinocalamus affinis), Phyllostachys zhejiangensis (Phyllostachys dulcis), Oligostachyum oedogonatum (Phyllostachys nidularia var. edulis), and Pleioblastus amaru (Phyllostachys amarus) were analyzed, and significant differences (P<0.05) were observed in both tasting quality and nutritional composition through the measurement of nine indicators in different bamboo shoots, including total acid, tannin, cellulose, lignin, moisture, ash, fat, protein and soluble solids. In terms of taste quality, Ph. Glauca contained the highest total acid content, reaching up to 3.09±0. 17 g·kg−1, while Ph. edulis had the highest tannin content of 3.70±0.27 g·kg−1. Ph. nidularia var. edulis exhibited the mildest astringency with tannin content of 0.88±0.12 g·kg−1. Ph. amaru had the lowest lignin and cellulose content of 17.0±1.2 g·kg−1, and Ph. dulcis had the highest moisture content of 88.6%±2.3%. In terms of nutritional composition, Ph. praecox had the highest ash content, reaching up to 6.12±0.28 g·kg−1, Ph. edulis had the highest fat content of 4.50±0.23 g·kg−1, and Ph. nidularia var. edulis had the highest protein and soluble solids content, achieving 21.8±1.1 g·kg−1 and 80.5±3.5 g·kg−1, respectively. Ph. nidularia var. edulis mainly produced in Wencheng County, has gained the competitive advantages in the market due to its good tasting quality, and has greater potential for development comparing to traditional bamboo shoots.

     

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