Results: 4

The application of ammonium sulphate and amino acid on cotton: effects on can improve growth, yield, quality and nitrogen absorption

Braz. j. biol; 82 (), 2022
A field study was carried out to determine the influence of foliage applied plant growth promoter and retardant in improving soil applied sulphur fertilizer use efficiency in cotton during two consecutive summers 2014 and 2015. Experimental trial comprised of three different sources of sulphur (ammonium ...

Extraction, Partial Purification and Characterization of Bromelain from Pineapple (Ananas Comosus) Crown, Core and Peel Waste

Abstract Ananas Comosus (also known as pineapple) is a part of Bromeliaceae family and it is consumed as food as well as folk medicine for the treatment of various diseases. It is reported that pineapple is a rich source of bromelain, a cysteine protease and it is considered as an important enzyme in dif...

Evaluation of the action of precipitating agents to obtain allergenic proteins from crude mite extracts

Introduction: Allergen proteins found in dust mite extracts, such as Dermatophagoides farinae (DF), Dermatophagoides pteronyssinus (DP) and Tyrophagus putrescentiae (TP), are relevant for scientific studies in the allergy and immunotherapy fields. The precipitation/concentration of protein extracts may f...

Atividade dos inibidores de `alfaï-amilase do triticale parcialmente purificados sobre amilases de Acanthoscelides obtectus e Tenebrio molitor

Inibidores de `alfaï-amilase do triticale (Triticum x secale) foram purificados parcialmente através de fracionamento com sulfato de amônio, filtração em gel sobre Sephadex G-100 e cromatografia em DEAE-Celulose, e foram denominados como 23`B IND. 2ï, 54`B IND. 4ï e 23`C IND. 1ï, conforme varieda...