松褐天牛不同虫态的营养成分评价  

Analysis of nutritional components of Monochamus alternatus in different developmental stages

作　　者：涂业苟[1] 喻爱林[1] 阙生全[1] 金明霞[1] 谢谷艾 熊彩云[1] TU Yegou;YU Ailin;QUE Shengquan;JIN Mingxia;XIE Gu’ai;XIONG Caiyun(Jiangxi Academy of Forestry,Nanchang,Jiangxi 330013,China)

机构地区：[1]江西省林业科学院,江西南昌330013

出　　处：《湖南农业大学学报（自然科学版）》2021年第2期197-202,共6页Journal of Hunan Agricultural University(Natural Sciences)

基　　金：江西省林业科学院重点项目(2016512501);江西省林业局科技创新专项(201909)。

摘　　要：测定松褐天牛蛹、幼虫、雌成虫、雄成虫的水分、粗蛋白质、粗脂肪、碳水化合物、脂肪酸、氨基酸和微量元素的含量,评价不同虫态的营养价值水平。结果表明:松褐天牛幼虫、蛹、雌成虫和雄成虫的水分含量分别为69.69%、61.26%、55.10%和51.76%;粗蛋白质含量分别为37.81%、46.36%、67.82%和69.85%,粗脂肪含量分别为33.96%、27.73%、11.94%和9.83%,油酸含量分别为62.483%、61.988%、43.977%和44.049%,必需脂肪酸含量分别为8.156%、6.356%、13.138%和13.103%,总氨基酸含量分别为346.70、414.94、625.93和650.21 mg/g,必需氨基酸含量占总氨基酸的比例分别为35.99%、36.40%、31.56%和32.00%,美味氨基酸含量分别占总氨基酸的34.98%、37.31%、35.56%和35.89%;必需氨基酸与非必需氨基酸的比值分别为0.562、0.572、0.461和0.471,必需氨基酸指数分别为100.11、87.49、84.40和85.12;松褐天牛含有丰富的微量元素,幼虫中的Ca、Mg含量均最高,分别为894.62、2994.52 mg/kg;雌成虫中的Zn、Fe含量均最高,分别为116.54、265.20 mg/kg;雄成虫中的Cu、Mn、Se含量均最高,分别为91.76、37.90、128.00 mg/kg。松褐天牛具有较高的营养价值。To evaluate nutritional value of Monochamus alternatus in different developmental stages,the contents of water,crude protein,crude fat,carbohydrate,fatty acid,amino acid and inorganic element of Monochamus alternatus were determined.The results showed that Monochamus alternatus larva,pupa,female adult and male adult respectively contained 69.69%,61.26%,55.10%and 51.76%water;respectively contained 37.81%,46.36%,67.82%and 69.85%crude protein;respectively contained 33.96%,27.73%,11.94%and 9.83%crude fat;respectively contained 62.483%,61.988%,43.977%and 44.049%oleic acid,including 8.156%,6.356%,13.138%and 13.103%essential fatty acid respectively.The total amino acid contents were 346.70,414.94,625.93 and 650.21 mg/g,respectively in larva,pupa,female adult and male adult Monochamus alternates,in which the total essential amino acid contents accounted for 35.99%,36.40%,31.56%and 32.00%of the total amino acids,respectively,while the delicious amino acids accounted for 12.13%,15.48%,22.26%and 23.33%of the total amino acids,respectively.The ratio of essential to nonessential amino acids was 0.562,0.572,0.461 and 0.471 for larva,pupa,female adult and male adult Monochamus alternates respectively and the essential amino acid index was 100.11,87.49,84.40 and 85.12,respectively.Monochamus alternatus had rich trace elements.The larva had the highest Ca and Mg concentration which was 894.62 and 2994.52 mg/kg,respectively.The female adult had the highest Zn and Fe concentration which was 116.54 and 265.20 mg/kg,respectively.The male adult had the highest Cu,Mn and Se concentration which was 91.76,37.90 and 128.00 mg/kg,respectively.In conclusion,Monochamus alternatus had high nutritional value.

关 键 词：松褐天牛 不同虫态 营养成分 脂肪酸 氨基酸 微量元素 

分 类 号：S763.38[农业科学—森林保护学]