Results 21 to 30 of about 7,549 (136)

High performance liquid chromatography as a micro-destructive technique for the identification of anthraquinone red dyestuffs in cultural heritage objects

open access: yesChemistry Teacher International, 2023
This article describes two of the most common natural sources of red anthraquinones that have been used since antiquity for textile dyeing and as lake pigments, namely cochineal insect and the roots of Rubia and Relbunium plants.
Careaga Valeria P.   +3 more
doaj   +1 more source

FRUIT YIELD AND NUTRITIONAL CHARACTERISTICS OF SWEET PEPPER GROWN UNDER SALT STRESS IN HYDROPONIC SYSTEM1

open access: yesRevista Caatinga, 2018
Irrigation with brackish water is common in the semiarid region of the Brazilian Northeast, potentiating the process of salinization of the soil in these areas.
NADIELAN DA SILVA LIMA   +4 more
doaj   +1 more source

Triterpenes from Rubia cordifolia L [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 2002
From the hexane fraction of the methanol-​chloroform (1:1) ext. of the dried roots of Rubia cordifolia L., three new and five known triterpenoidal compds. were isolated and identified.
Zedan Ibraheim
doaj   +1 more source

Anthraquinones from the Aerial Parts of Rubia cordifolia with Their NO Inhibitory and Antibacterial Activities

open access: yesMolecules, 2022
The present study aimed to identify the composition of the aerial parts of Rubia cordifolia L. A chemical investigation on the EtOAc extracts from the aerial parts of Rubia cordifolia resulted in the isolation of four new anthraquinones, namely ...
Han Luo   +10 more
doaj   +1 more source

Seed co‐occurrence caused by shared frugivores leaves a long‐lasting signal in the spatial co‐occurrence among plants

open access: yesOikos, EarlyView.
By dispersing seeds, frugivorous animals affect spatial co‐occurrence of plants, ultimately influencing plant community dynamics. Frugivorous animals are intrinsically involved in plant community dynamics, by dispersing seeds of fleshy‐fruited plants and influencing their spatial co‐occurrence.
Antonio J. Perea   +8 more
wiley   +1 more source

A multivariate analysis with direct additive and inbreeding depression load effects

open access: yesGenetics Selection Evolution, 2019
Background Inbreeding is caused by mating between related individuals and its most common consequence is inbreeding depression. Several studies have detected heterogeneity in inbreeding depression among founder individuals, and recently a procedure for ...
Luis Varona   +4 more
doaj   +1 more source

Nutrição e produtividade de plantas de pimentão colorido, adubadas com biofertilizante de suíno

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2014
O biofertilizante de suíno pode ser utilizado em cultivos agrícolas respeitando critérios de qualidade e quantidade necessárias ao solo e à planta.
Maria A. N. Sediyama   +4 more
doaj   +1 more source

Tracing change in the public perception of plants: insights from archives and social media in China

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu   +4 more
wiley   +1 more source

Assessing the host plants of the invasive apricot aphid, Myzus mumecola (Hemiptera: Aphididae)

open access: yesAgricultural and Forest Entomology, EarlyView.
We investigated the host plants of the invasive apricot aphid Myzus mumecola (Hemiptera: Aphididae), an emerging pest species in Europe, by combining molecular and ecological approaches. The winter host plant was confirmed as apricot by both methods.
Marta Chignola   +2 more
wiley   +1 more source

Sequence capture analysis determines spatial and temporal stock contributions to a mixed coastal anadromous fishery

open access: yesJournal of Fish Biology, EarlyView.
Abstract Employing a citizen science model of partnerships with recreational and commercial fishers, we collected 5298 fin‐clip samples of striped bass Morone saxatilis over a 2‐year period and a broad geographic area that encompassed a majority of the species migratory range.
Kristopher J. Wojtusik   +3 more
wiley   +1 more source

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