Shapes and nutrients of Dendrocalamopsis oldhami bamboo shoots in 12 production areas
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摘要: 分析了福建和浙江12个绿竹Dendrocalamopsis oldhama主要产地鲜笋形态性状（笋地径、笋高、总质量、去壳质量）和营养成分（水解氨基酸、还原糖、水溶性总糖、粗蛋白质、粗纤维、总灰分、水分）的差异，探明主要品质性状间的相关性。结果表明，受产地生长性状、栽培条件的影响，产地间鲜笋形态指标差异明显，变异系数为13.27% ～ 36.13%，产地漳州、福安及凤岭的可食率最高，达77％ ～ 82％；产地龙岩、苍南、龙湖、同安、漳州及漳平水解氨基酸总量较高，品味鲜美；竹笋营养成分的积累也因产地不同而差异明显，粗纤维、还原糖、水溶性总糖受影响最为显著，相关分析表明竹笋含糖量较高时粗纤维质量分数较低，水溶性总糖与总灰分则呈显著负相关；有效营养成分较高者为产地福安、永泰、苍南和尤溪，平均值为85.05%，其产地栽培历史悠久，竹林经营科学合理，可为绿竹的优质栽培管理提供借鉴。图1表4参11Abstract: Shape indexes（diameter，height，gross weight，and net weight） and nutrient components （hydrolyzed amino acids，reducing sugars，total sugars，crude protein，crude fiber，ash，and water） of Dendrocalamopsis oldhami bamboo shoots in 12 main production areas（Fuan，Youxi，Yongtai，Yongchun，Zhangping，Tongan，Zhangzhou，and Longyan of Fujian Province as well as Fengling，Cangnan，Daidi，and Longhu of Zhejiang Province） were studied with a correlation analysis being used on shoot quality traits. Results showed significant differences（P＜0.01） for shape indexes in different production areas，and the coefficient of variation（C.V.） was 13.3% － 36.1%. Also，the edible rates were highest in the Zhangzhou，Fuan，and Fengling areas reaching 77% － 82%. Total hydrolyzed amino acids were higher in the Longyan，Cangnan，Longhu，Tongan，Zhangzhou，and Zhangping areas，and nutrient accumulation in the bamboo shoots showed marked differences（P＜0.01），especially for crude fiber，reducing sugars，and total sugars. In addition，the correlation analysis showed high sugar content with low fiber content，and total sugars was negatively correlated to total ash （r = － 0.594 3，P＜0.051）. Higher available nutritional components（averaging of 85.05%） were found in Fuan，Yongtai，Cangnan，and Youxi areas. Thus，these three areas，having a long cultivation history and utilizing scientific bamboo management techniques，could provide a reference for better cultivation and management of D. oldhami. ［Ch，1 fig. 4 tab. 11 ref.］
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https://zlxb.zafu.edu.cn/article/doi/10.11833/j.issn.2095-0756.2010.06.007
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