Results 181 to 190 of about 4,364 (215)

Green isolation and physical modification of pineapple stem waste starch as pharmaceutical excipient

Drug Development and Industrial Pharmacy, 2019
The waste of inedible parts of pineapple, particularly in tropical countries, contributes to environmental burden. This study aimed to utilize pineapple stem waste as a source of starch-based pharmaceutical excipient. The starch was isolated from pineapple stem waste using a simple process without applying harsh chemicals. The isolated starch (PSS) was
Annisa Rahma, Melissa Adriani, Puji Rahayu, Raymond R. Tjandrawinata, Heni Rachmawati   +4 more
openaire   +2 more sources

The Amino Acid Sequences of Isoforms of the Bromelain Inhibitor from Pineapple Stem

Journal of Biochemistry, 1998
Eight bromelain inhibitor (BI) isoform fractions were isolated from pineapple stem, and then submitted to conventional amino acid sequencing after performic acid oxidation and subsequent separation of the resulting light and heavy chains. The results revealed that all fractions exhibited microheterogeneity, containing at least two major components, but
K i, Hatano, M, Tanokura, K, Takahashi
openaire   +2 more sources

Pineapple stem starch-based films incorporated with pineapple leaf carbon dots as functional filler for active food packaging applications

International Journal of Biological Macromolecules
Pineapple leaf waste, a byproduct of agricultural processes, was used as a novel raw material to synthesize carbon dots (CDs) through a simple hydrothermal method. The CDs were subsequently incorporated into pineapple stem starch (PSS)-based active food packaging films.
Pusita, Kuchaiyaphum, Taweechai, Amornsakchai, Chatrachatchaya, Chotichayapong, Nikorn, Saengsuwan, Visittapong, Yordsri, Chanchana, Thanachayanont, Phitchaya, Batpo, Phatcharaporn, Sotawong   +7 more
openaire   +2 more sources

PROTEOLYTIC ACTIVITY IN STEMS OF 'VITÓRIA', 'SMOOTH CAYENNE' AND PÉROLA' PINEAPPLE PLANTS

Acta Horticulturae, 2009
Helber B. Costa, S.G. Delboni Frederico S. Fortunato Univix Rua Jose Alves, 301 (Goiabeiras) 29075-080 – Vitoria, ES - Brazil Jose A.Ventura Incaper Rua Afonso Sarlo, 160 (Bento Ferreira) 29052-010 - Vitoria, ES – Brazil ventura@incaper.es.gov.br Keywords: Ananas comosus var. comosus , genotypes, bromelain, proteolytic enzymes Abstract Pineapple is one
H.B. Costa, S.G. Delboni, F.S. Fortunato, J.A. Ventura   +3 more
openaire   +1 more source

Immobilized pineapple stem bromelain activity in a wine-like medium: Effect of inhibitors

Food and Bioproducts Processing, 2015
a b s t r a c t The catalytic activity of stem bromelain, covalently immobilized on chitosan beads, was characterized towards a synthetic substrate (Bz-Phe-Val-Arg-pNA), in a wine-like acidic medium containing wine inhibitors (ethanol, sulphur dioxide, grape skin and seed tannins), at their average concentration range.
Marco Esti, Ilaria Benucci, Katia Liburdi, Anna Maria Vittoria Garzillo   +3 more
openaire   +1 more source

Purification and some properties of peroxidase isozymes from pineapple stem.

Biochemistry and molecular biology international, 1993
The enzyme peroxidase is widely distributed among the higher plants. Isozymes of peroxidase are known to occur in a variety of tissues in a large number of plant species. In this study, peroxidase isozymes were purified from the extract of pineapple stem through successive steps of ammonium sulfate fractionation, CM-Sepharose CL-6B chromatographies and
Yu, R. H., Chang, C. T., Sung, Hsien-Yi
openaire   +1 more source

Isolation of an effective debriding agent from the stems of pineapple plants.

International journal of tissue reactions, 1983
The stem of the pineapple plant contains, in addition to a number of proteases, particularly bromelain, a non-proteolytic component which is responsible for the complete bridement of experimental burns by an "enzymatic dissection" between the viable native and the non-viable denatured burn tissue.
J C, Houck, C M, Chang, G, Klein
openaire   +1 more source

31 STEM BROMELAIN, FROM PINEAPPLE STEMS, INHIBITS TOXIN AND SECOND MESSENGER STIMULATED INTESTINAL SECRETION

Journal of Pediatric Gastroenterology and Nutrition, 1995
Alessio Fasano, L. Tracey
openaire   +2 more sources

Polyelectrolytic Precipitation of Bromelain From Pineapple Stem: Effect of Solution Conditions and Carrageenan Concentration on Stem Enzyme Activity

We would like to thank the scientific collaboration of Faculty of Biotechnology of Universidade Católica Portuguesa through CBQF under FCT–Fundação para a Ciência e a Tecnologia, to accept Ana M. Vilas-Boas through a Ph.D. grant reference 2022.14462.BD.
Ana M. Vilas-Boas, Débora Campos, Manuela Pintado   +2 more
openaire   +1 more source

[64] Acidic systeine protease inhibitors from pineapple stem

1976
Robert L. Heinrickson, Ferenc J. Kézdy
openaire   +1 more source