維生素營(yíng)養(yǎng)與運(yùn)用主講:羅強(qiáng)生副講:潘航、盧寧宇維生素營(yíng)養(yǎng)與運(yùn)用1第七章維生素與動(dòng)物營(yíng)養(yǎng)癱7.1維生素概述72脂溶性維生素73水溶性維生素第七章維生素與動(dòng)物營(yíng)養(yǎng)27.1維生素概述蠊7.1.1維生素的概念、發(fā)現(xiàn)、命名7.12維生素的基本特征7.1.3維生素的分類與特點(diǎn)7.1.4維生素的營(yíng)養(yǎng)生理功能7.1.5影響維生素需要量的因素7.1維生素概述37.1.1維生素的概念、發(fā)現(xiàn)、命名婚維生素的概念維生素是維持動(dòng)物正常生理功能所必需的低分子有機(jī)化合物維生素的發(fā)現(xiàn)奇怪的病:壞血病、腳氣病等未知的物質(zhì)谷皮的奇效維持生命的胺維生素的命名發(fā)現(xiàn)前后,字母順序7.1.1維生素的概念、發(fā)現(xiàn)、命名47.12維生素的基本特征存在于天然食物或飼料中,含量很少2、為生物活性物質(zhì),易受光照、熱、酸、堿、氧化劑等破壞婚3、維持動(dòng)物生命活動(dòng)和保證動(dòng)物正常生長(zhǎng)發(fā)育與生產(chǎn)所必需的營(yíng)養(yǎng)素動(dòng)物體內(nèi)含量極少,除個(gè)別維生素在動(dòng)物體內(nèi)可自行合成一部分外、大多數(shù)維生素必須從飼料中攝取5、動(dòng)物體組織或產(chǎn)品中維生素含量,在一定程度上隨著飼糧中含量的增加而增加6、飼糧中缺乏或動(dòng)物吸收利用能力較差時(shí)導(dǎo)致維生素的特異缺乏癥或缺乏綜合征。7.12維生素的基本特征5維生素和動(dòng)物營(yíng)養(yǎng)課件6維生素和動(dòng)物營(yíng)養(yǎng)課件7維生素和動(dòng)物營(yíng)養(yǎng)課件8維生素和動(dòng)物營(yíng)養(yǎng)課件9維生素和動(dòng)物營(yíng)養(yǎng)課件10維生素和動(dòng)物營(yíng)養(yǎng)課件11維生素和動(dòng)物營(yíng)養(yǎng)課件12維生素和動(dòng)物營(yíng)養(yǎng)課件13維生素和動(dòng)物營(yíng)養(yǎng)課件14維生素和動(dòng)物營(yíng)養(yǎng)課件15維生素和動(dòng)物營(yíng)養(yǎng)課件16維生素和動(dòng)物營(yíng)養(yǎng)課件17維生素和動(dòng)物營(yíng)養(yǎng)課件18維生素和動(dòng)物營(yíng)養(yǎng)課件19維生素和動(dòng)物營(yíng)養(yǎng)課件20維生素和動(dòng)物營(yíng)養(yǎng)課件21維生素和動(dòng)物營(yíng)養(yǎng)課件22維生素和動(dòng)物營(yíng)養(yǎng)課件23維生素和動(dòng)物營(yíng)養(yǎng)課件24維生素和動(dòng)物營(yíng)養(yǎng)課件25維生素和動(dòng)物營(yíng)養(yǎng)課件26維生素和動(dòng)物營(yíng)養(yǎng)課件27維生素和動(dòng)物營(yíng)養(yǎng)課件28維生素和動(dòng)物營(yíng)養(yǎng)課件29維生素和動(dòng)物營(yíng)養(yǎng)課件30維生素和動(dòng)物營(yíng)養(yǎng)課件31維生素和動(dòng)物營(yíng)養(yǎng)課件32維生素和動(dòng)物營(yíng)養(yǎng)課件33維生素和動(dòng)物營(yíng)養(yǎng)課件34維生素和動(dòng)物營(yíng)養(yǎng)課件35維生素和動(dòng)物營(yíng)養(yǎng)課件36維生素和動(dòng)物營(yíng)養(yǎng)課件37維生素和動(dòng)物營(yíng)養(yǎng)課件38維生素和動(dòng)物營(yíng)養(yǎng)課件39維生素和動(dòng)物營(yíng)養(yǎng)課件40維生素和動(dòng)物營(yíng)養(yǎng)課件41維生素和動(dòng)物營(yíng)養(yǎng)課件42維生素和動(dòng)物營(yíng)養(yǎng)課件43維生素和動(dòng)物營(yíng)養(yǎng)課件44維生素和動(dòng)物營(yíng)養(yǎng)課件45維生素和動(dòng)物營(yíng)養(yǎng)課件46維生素和動(dòng)物營(yíng)養(yǎng)課件47維生素和動(dòng)物營(yíng)養(yǎng)課件48維生素和動(dòng)物營(yíng)養(yǎng)課件49維生素和動(dòng)物營(yíng)養(yǎng)課件50維生素和動(dòng)物營(yíng)養(yǎng)課件51維生素和動(dòng)物營(yíng)養(yǎng)課件52維生素和動(dòng)物營(yíng)養(yǎng)課件53維生素和動(dòng)物營(yíng)養(yǎng)課件54維生素和動(dòng)物營(yíng)養(yǎng)課件55維生素和動(dòng)物營(yíng)養(yǎng)課件56維生素和動(dòng)物營(yíng)養(yǎng)課件57維生素和動(dòng)物營(yíng)養(yǎng)課件58維生素和動(dòng)物營(yíng)養(yǎng)課件59維生素和動(dòng)物營(yíng)養(yǎng)課件60維生素和動(dòng)物營(yíng)養(yǎng)課件61維生素和動(dòng)物營(yíng)養(yǎng)課件62維生素和動(dòng)物營(yíng)養(yǎng)課件63維生素和動(dòng)物營(yíng)養(yǎng)課件64維生素和動(dòng)物營(yíng)養(yǎng)課件65維生素和動(dòng)物營(yíng)養(yǎng)課件66維生素和動(dòng)物營(yíng)養(yǎng)課件67維生素和動(dòng)物營(yíng)養(yǎng)課件68維生素和動(dòng)物營(yíng)養(yǎng)課件69維生素和動(dòng)物營(yíng)養(yǎng)課件70維生素和動(dòng)物營(yíng)養(yǎng)課件71維生素和動(dòng)物營(yíng)養(yǎng)課件72維生素和動(dòng)物營(yíng)養(yǎng)課件73維生素和動(dòng)物營(yíng)養(yǎng)課件74維生素和動(dòng)物營(yíng)養(yǎng)課件75維生素和動(dòng)物營(yíng)養(yǎng)課件76維生素和動(dòng)物營(yíng)養(yǎng)課件77維生素和動(dòng)物營(yíng)養(yǎng)課件78維生素和動(dòng)物營(yíng)養(yǎng)課件79維生素和動(dòng)物營(yíng)養(yǎng)課件80維生素和動(dòng)物營(yíng)養(yǎng)課件81維生素和動(dòng)物營(yíng)養(yǎng)課件82維生素和動(dòng)物營(yíng)養(yǎng)課件83維生素和動(dòng)物營(yíng)養(yǎng)課件84維生素和動(dòng)物營(yíng)養(yǎng)課件85維生素和動(dòng)物營(yíng)養(yǎng)課件