43 湖南省地方标准 湖南山核桃坚果质量等级 Quality grade for Cheng et R. H. Chang ex Chang et Lu nutCarya hunanensisICS CCS 65.020 B 60 发 布 湖南省市场监督管理局2021-11发布-09 2022-01实施-09DB43/T2206—2021 DB43/T 2206—2021 I 目 次 前言 ································ ································ ································ ························ Ⅲ 1 范围 ································ ································ ································ ····················· 1 2 规范性引用文件 ································ ································ ································ ······ 1 3 术语和定义 ································ ································ ································ ············ 1 4 产品分级 ································ ································ ································ ··············· 1 5 卫生指标 ································ ································ ································ ··············· 2 6 检验方法 ································ ································ ································ ··············· 2 6.1 感官指标 ································ ································ ································ ········· 2 6.2 物理指标 ································ ································ ································ ········· 2 7 抽样与判定 ································ ································ ································ ············ 3 7.1 组批 ································ ································ ································ ··············· 3 7.2 抽样 ································ ································ ································ ··············· 3 7.3 判定 ································ ································ ································ ··············· 3 8 包装、标志、贮藏和运输 ································ ································ ·························· 3 8.1 包装 ································ ································ ································ ··············· 3 8.2 标志 ································ ································ ································ ··············· 3 8.3 贮藏 ································ ································ ································ ··············· 3 8.4 运输 ································ ································ ································ ··············· 3 DB43/T 2206—2021 II DB43/T 2206—2021 III 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第1部分：标准化文件的 结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由湖南省林业局提出。 本文件由湖南省林业标准化技术委员会归口。 本文件起草单位：中南林业科技大学、沅陵县林业局、长沙伟湘林业科技有限公司。 本文件主要起草人：王森、邵凤侠、廉洪志、巫涛、韦建圩、 韦御敏、覃瀚、张赛阳、葛晓宁、陈 娟、吕芳德、李建安、李树战。 DB43/T 2206—2021 IV DB43/T 2206—2021 1 湖南山核桃坚果质量等级 1 范围 本文件规定了湖南山核桃 Carya hunanensis Cheng et R. H. C hang ex Chang et Lu 的术语和定义、要 求、试验方法、检验规则、分级、包装、标志、贮藏与运输。 本文件适用于湖南山核桃的生产与销售。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。 其中， 注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。 GB 16325 干果食品卫生标准 GB 16326 食品安全国家标准 坚果与籽类食品 3 术语和定义 下列术语和定义适用于本文件。 3.1 湖南山核桃 Carya hunanensis Cheng et R. H. Chang ex Chang et Lu 湖南山核桃 是我国山核桃属 (Carya Nutt ) 植物中的 5个种之一，在我国湘西及湘西南、黔东南及黔 南和桂西北地区有大量野生分布。 4 产品分级 湖南山核桃坚果质量具体分级指标见表 1。 表1 湖南山核桃坚果质量分级指标 项目 特级 Ⅰ 级 Ⅱ 级 Ⅲ 级 基本要求 应充分成熟，表面洁净，缝合线紧密，无露仁、虫蛀、出油、霉变、异味等，无杂质，无 漂白处理 感官 指标 果形 大小均匀，形状一致 基本一致 基本一致 无要求 外壳 自然淡黄白色 自然淡黄白色 自然淡黄白色 自然淡黄白或黄褐色 种仁 饱满，色黄，涩味淡 饱满，色黄，涩味淡 较饱满，色黄，涩味淡 较饱满，色黄或浅琥 珀色，味涩 物理 指标 平均果重 / g ≥ 8.0 ≥ 8.0 ≥ 6.0 ＜ 6.0 出仁率 / ％ ≥ 50.0 ≥ 45.0 ≥ 40.0 ≥ 25.0 空壳果率 / ％ ≤ 1.0 ≤ 2.0 ≤ 2.0 ≤ 3.0 破损果率 / ％ ≤ 0.1 ≤ 0.1 ≤ 0.2 ≤ 0.3 含水率 / ％ ≤ 7.0 ≤ 7.0 ≤ 8.0 ≤ 8.0 DB43/T 2206—2021 2 5 卫生指标 按国家食品卫生法规和国家标准 GB 16325 、GB 16326 的规定执行。对产品检疫，按国家质量监督 检验检疫总局有关规定执行。 6 检验方法 6.1 感官指标 随机取样 1000 g左右，铺放在洁净的平面上，目测观察果壳的形状色泽，并砸开取仁，品尝种仁 风味，口感和涩味。观察记录种仁色泽及饱满程度。 6.2 物理指标 6.2.1