Enzymatic browning is the formation of melanins from polyphenol oxidase and can be controlled by temperature and pH.

酶棕色著色劑的形成于多酚氧化酶中的黑色素aa视频在线网站，可以通過調(diào)節(jié)溫度和PH值來控制它的形成自拍偷拍系列。

Enzymatic browning is one of the most reactions impacting quality of fresh-cut fruits and vegetables.

酶促褐變是影響鮮切果蔬品質(zhì)的重要原因之一欧美亚洲国产一区二区三区VA。

The aim of the research was to provide theoretical base for restrain the enzymatic browning occurred in storage and processing of carambola cultivars.

［目的］為抑制楊桃貯藏與加工過程中發(fā)生的酶促褐變提供理論依據(jù)亚洲性爱视频91。

For investigating the mechanisms of carbohydrase treatment and alkaline extraction during aqueous enzymatic extraction of rapeseed oil from wet milled rapeseed, the changes of rapeseed cell ultra-structure during enzyme hydrolysis were observed using SEM and the properties of emulsions in different pH conditions were studied.

為探討濕磨油菜籽水酶法提油工藝中細(xì)胞壁多糖酶和堿提的作用機(jī)理，使用掃描電鏡觀察油菜籽細(xì)胞在酶解過程中超微結(jié)構(gòu)的變化看黄片在线天堂在线，并對(duì)不同 pH乳狀液體系的部分理化性質(zhì)進(jìn)行了研究色色色色色色色色网。

Selective enzymatic synthesis of drug derivatives containing carboxyl group in non-aqueous media was also developed.

論文發(fā)展了非水介質(zhì)中含羧基藥物衍生物的酶促選擇性合成方法。

Variation in discrimination against 13C during photosynthesis is due to both stomatal diffusion limitations and enzymatic carboxylase processes.

植物對(duì)13C和12C分辨率的差別主要是由于光合作用過程中CO2經(jīng)氣孔擴(kuò)散分差和酶羧化過程引起的高清激情18性爱啊啊在线欧美日韩不卡。

Objective To study the influence of Ca 2+ and Mg 2+ on the enzymatic properties of cardiac muscle myosin.

目的研究Ca2 +看黄片.con、Mg2 +對(duì)心肌肌球蛋白ATP酶活性的影響。

And enzymatic defense system of Yuanjichangguo Catalpa is good at defending the environment stress.

生物測(cè)定表明金絲楸插條皮部存在生根抑制物質(zhì)www.99热这里有精品。

The rooting difficulty of Catalpa bungei was lies in nutrient supply weak, different hormones regulation unsuitable and enzymatic defense system not perfect enough.

楸樹扦插生根困難可能在于其營養(yǎng)物質(zhì)供應(yīng)較弱影音先锋AⅤ资源夜先锋、不同激素配合和調(diào)控不足、酶促防御系統(tǒng)不夠完善九九影院精品。

The article in recent years the research progress of disease of oral cavity of TP prevention and cure makes one overview. The compositive TP of the basic research 1.1 TP of 1 TP is the floorboard that phenolic apperception of a kind of many hydroxyl closes matter, 25% what hold tea dry weight about, its are main component includes to express gallnut of gallnut catechu element gallnut of element of catechu of gallnut of acerbity ester, watch, watch catechu element is acerbity element of catechu of ester, watch, express gallnut of gallnut catechu element among them acerbity ester content is highest, occupy the 80%[1] of catechu element about, fighting oxidation with its unique element structure, fight the position with fight the respect such as tumor to have choppy, significant. The 1.2 TP absorption in oral cavity and metabolization Lee [2] is measured normally inside a hour after healthy person is chewing green tea Xie Huo contains juice of gargle green tea, content of the TP in saliva is very high, after observing green tea passes salivary enzymatic hydrolyze, TP is slow release and in oral cavity;Yang of local play action [the salivary level after 3] checked 6 volunteers to drink tea, chroma of the TP in making clear the saliva after drinking tea as a result is serous TP pH indicator 2 times, and the salivary TP concentration that contains gargle tea solution a few minutes to be able to produce higher level, and TP can be absorbed through oral cavity mucous membrane.

本文就近年來TP防治口腔疾病的探究進(jìn)展作一綜述。1 TP的基礎(chǔ)探究1.1 TP的組成TP是一類多羥基酚類化合物的總稱久久久激情，約占茶葉干重的25%欧美日韩性爱AAA视频，其主要成份包括表沒食子兒茶素沒食子酸酯、表沒食子兒茶素日韩自娱自拍AV、表兒茶素沒食子酸酯免费视频人人视频www、表兒茶素等，其中表沒食子兒茶素沒食子酸酯含量最高极品美女黄色视频，約占兒茶素的80%[1]xxxx视频在线观看，并以其獨(dú)特的分子結(jié)構(gòu)在抗氧化、抗突變免费国产一级A片一片、抗腫瘤等方面占有重要的地位A片一级免费。1.2 TP在口腔中的吸收和代謝Lee等[2]測(cè)得正常健康人在咀嚼綠茶葉或含漱綠茶液后的一個(gè)小時(shí)內(nèi)，唾液中TP含量很高国产高清怕怕怕视频在线观看，并觀察到綠茶通過唾液酶水解后久久久亚洲98精品视频，TP緩慢釋放并在口腔局部發(fā)揮功能；Yang等[3]檢查了6位志愿者飲茶后的唾液水平亚洲综合色图网站，結(jié)果表明飲茶后唾液中TP濃度是血漿TP濃度的2倍思思伊人久久大香线蕉av，而含漱茶溶液幾分鐘即可產(chǎn)生更高水平的唾液TP濃度，且TP可通過口腔黏膜吸收91大神福利导航。