RENNIN
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RENNIN 속성
- 저장 조건
- −20°C
- 물리적 상태
- 가루
- 색상
- 약간 갈색
- Merck
- 13,8218
안전
위험품 표기 | Xn | ||
---|---|---|---|
위험 카페고리 넘버 | 36/37/38-42 | ||
안전지침서 | 22-24-26-36/37 | ||
WGK 독일 | 1 | ||
F 고인화성물질 | 3-10 |
RENNIN C화학적 특성, 용도, 생산
용도
Rennin is a milk coagulant that is an enzyme obtained from the abo- masum portion of the stomach of suckling mammals. it is most active at ph 3.8. one part purified rennin will coagulate more than five million parts of milk. the commercial extract of rennin is termed rennet. it is used to coagulate milk in making cheese, junket, and custard. see rennet.정의
An enzyme secreted by cellslining the stomach in mammals thatis responsible for clotting milk. Itacts on a soluble milk protein (caseinogen),which it converts to theinsoluble form casein. This ensuresthat milk remains in the stomachlong enough to be acted on by protein-digesting enzymes.Biological Functions
Renin is an enzyme that is synthesized and stored in the renal juxtaglomerular apparatus and that catalyzes the formation of a decapeptide, angiotensin I, from a plasma protein substrate. Renin has a narrow substrate specificity that is limited to a single peptide bond in angiotensinogen, a precursor of angiotensin I. Renin is considered to control the rate-limiting step in the ultimate production of angiotensin II. Control of renin secretion by the juxtaglomerular apparatus is important in determining the plasma renin concentration.Three generally accepted mechanisms are involved in the regulation of renin secretion. The first depends on renal afferent arterioles that act as stretch receptors or baroreceptors. Increased intravascular pressure and increased volume in the afferent arteriole inhibits the release of renin. The second mechanism is the result of changes in the amount of filtered sodium that reaches the macula densa of the distal tubule. Plasma renin activity correlates inversely with dietary sodium intake. The third renin secretory control mechanism is neurogenic and involves the dense sympathetic innervation of the juxtaglomerular cells in the afferent arteriole; renin release is increased following activation of 1-adrenoceptors by the neurotransmitter norepinephrine.
Angiotensin II, the primary end product of the renin–angiotensin system, acts on the juxtaglomerular cells to inhibit the release of renin; this process is therefore a negative feedback mechanism. The half-life of renin in the circulation is 10 to 30 minutes, with inactivation occurring primarily in the liver. Small amounts of renin are eliminated by the kidneys. Pure human renin has been used to develop specific inhibitors of the enzyme. Low-molecular-weight orally effective renin inhibitors are under development.
RENNIN 준비 용품 및 원자재
원자재
준비 용품
RENNIN 공급 업체
글로벌( 53)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
career henan chemical co | +86-0371-86658258 |
sales@coreychem.com | China | 29914 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 |
sales@chemdad.com | China | 39916 | 58 |
Creative Enzymes | 1-516-855-7709 |
info@creative-enzymes.com | United States | 8748 | 58 |
Wuhan Fortuna Chemical Co., Ltd | +86-27-59207850 +86-13986145403 |
info@fortunachem.com | China | 5989 | 58 |
3B Pharmachem (Wuhan) International Co.,Ltd. | 821-50328103-801 18930552037 |
3bsc@sina.com | China | 15848 | 69 |
Wuhan Xinru Chemical Co., Ltd. | 15927387915 15337108568 |
2769903731@qq.com | China | 3338 | 58 |
ChemeGen(Shanghai) Biotechnology Co.,Ltd. | 18818260767 |
sales@chemegen.com | China | 11289 | 58 |
Wuhan plov Biotechnology Co., Ltd | 17612776928 |
17612776928@qq.com | China | 4975 | 58 |
Wuhan Huajiu Pharmaceutical Technology Co.,Ltd. | 027-59225746 18062681621 |
730880265@qq.com | China | 4794 | 58 |
Wuhan Chemstan Biotechnology Co., Ltd. | 15926423062 |
422450190@qq.com | China | 10132 | 58 |
RENNIN 관련 검색:
실버 아세틸아세토네이트 디스프로슘 트리(2,2,6,6-테트라메틸-3,5-헵탄디오네이트) 아세틸아세토산 제2철 아세틸아세톤산 구리 코발트(II) 아세틸아세토네이트 하이드레이트 알루미늄 아세틸아세토네이트
PHENYLSELENOL
Tris(2,4-pentanedionato)chroMiuM(III)
1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
DICHLORO(ETHYLENEDIAMINE)PLATINUM(II)
Benzyl isocyanide
TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III)
Tosylmethyl isocyanide
Ethyl isocyanoacetate
SALCOMINE
TERT-BUTYL ISOCYANIDE
N-BUTYLISOCYANIDE
RENNIN,rennin crystallized and lyophilized*approx 40% pr,RENNIN CRYSTALLIZED AND LYOPHILIZED*APPR OX 40% PROT