Zhao, Li published the artcileToxicity evaluation of collagen hydrolysates from chrome shavings and their potential use in the preparation of amino acid fertilizer for crop growth, Recommanded Product: (S)-2-Amino-4-(methylthio)butanoic acid, the publication is Journal of Leather Science and Engineering (2022), 4(1), 2, database is CAplus.
Resource utilization of chrome shavings (CS) has attracted a lot of attention from scientists and technologists in leather industry. Especially, the collagen hydrolyzates extracted from CS are expected to find potential application values in agricultural field. However, there is no biotoxicity anal. of collagen hydrolyzates from CS. Herein, the collagen hydrolyzates with different mol. weights were produced from CS by three hydrolysis dechroming methods including alk. hydrolysis, enzymic hydrolysis and alk.-enzymic synergistic hydrolysis, and the optimal hydrolysis process of CS was designed and conducted. To evaluate their toxicity, the three collagen hydrolyzates were formulated into a nutrient solution for zebrafish development. The obtained results indicated that the hydrolyzates with low concentrations (less than 0.6 mg/mL) were safe and could promote the development for zebrafish embryos. Furthermore, the three collagen hydrolyzates were utilized as organic nitrogen sources and formulated into amino acid water-soluble fertilizers (AAWSF) including alk. type fertilizer (OH), enzymic type fertilizer (M) and alk.-enzymic type fertilizer (OH-M) for the early soilless seeding cultivation of wheat, soybean and rapeseed. It is worth mentioning that the chromium contents in the prepared AAWSF were less than 10 mg/kg, which is far less than the limit value in the standard (China, 50 mg/kg). The growth and development of seedlings (germination rate, plant height, fresh weight of leaves, soluble sugar content and chlorophyll content) were investigated. The corresponding results showed that the growth of seedlings watered with AAWSF was better compared with the other treatments, and the OH-M fertilizer had the best promoting effect on the seedlings growth and development, followed by the M and OH fertilizers. The safe toxicity assessment of the collagen hydrolyzates will expand their application scope, and the use of collagen hydrolyzates extracted from CS for seedlings growth also provides an effective and reasonable way to deal with the chromium-containing leather solid waste, which is an effective way to realize its resource utilization.
Journal of Leather Science and Engineering published new progress about 63-68-3. 63-68-3 belongs to catalysis-chemistry, auxiliary class Natural product, name is (S)-2-Amino-4-(methylthio)butanoic acid, and the molecular formula is C6H5NO, Recommanded Product: (S)-2-Amino-4-(methylthio)butanoic acid.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia