T'b is comilitmication emphasizes the nieed for conltin1uouts conitrol of pH when macerating acidic plant tissues for the l)url)ose of isolating tightly coupled mitochondria. A useful device for such control is described. Mitochonidria capable of oxidative but not pl)osphorylative activity have been isolated fromli apple fruits wlhenl either alkaline homogeniates (5) or l)oIyvinylpyrrolidone (P...

Because it promotes the lightening of pigment spots, tyrosinase inhibition is one mechanisms depigmenting cosmetic products. Considering adverse effects produced by synthetic actives, search for new therapeutic options desirable, and plant extracts are possible candidates hyperpigmentation treatment. Glycolic Cecropia pachystachya Trécul are, therefore, focus this study. Its chemical characteri...

<p>The peel-Off gel mask is one of the unique characteristic forms that will form an elastic transparent film layer. It can be removed without rinsing after drying and leaving no residue. The manufacture masks using natural material better than synthetic materials as it cause side effects damage shape skin. One used a ingredient <em>Paederia Foetida </em>leaf. </em>leaf ...

Bast fiber plants require a post-harvest process to yield useable natural cellulosic fibers, denoted as retting or degumming. It encompasses the degradation of cell wall’s non-cellulosic gummy substances (NCGs), facilitating fibers separations, setting fiber’s quality, and determining downstream usages. Due inconvenience traditional practices, bacterial inoculum enzyme applications for gained a...

A polygalacturonase (PG) isozyme was isolated from Penicillium solitum-decayed Anjou pear fruit and purified to homogeneity with a multistep process. Both gel filtration and cation exchange chromatography revealed a single PG activity peak, and analysis of the purified protein showed a single band with a molecular mass of 43 kDa, which is of fungal origin. The purified enzyme was active from pH...

The action of extracts from the stem, leaves, and fruit of Jatropha gossypiifolia on Biomphalaria glabrata was studied by analyzing survival, feeding capacity and oviposition ability. The extracts were obtained by macerating the plant parts in 92% ethanol, which were then evaporated until a dry residue was obtained and phytochemically studied. The molluscicidal activity on B. glabrata was inves...

Chitosan, a given name to a deacetylated form of chitin, is a natural biodegradable compound derived from crustaceous shells such as crabs and shrimps, whose main attributes corresponds to its polycationic nature. Chitosan has been proven to control numerous pre and postharvest diseases on various horticultural commodities. It has been reported that both soil and foliar plant pathogens fungal, ...

This study is the Þrst to statistically analyze the stylet probing/penetration behaviors of Lygus (Hemiptera: Miridae) bugs, and the external body movements associated with both probing and nonprobing, via electrical penetration graph (EPG) and videorecording, respectively. Behavioral quantiÞcation allows powerful statistical comparisons among host plants or other treatments. Thus, statistical ...