Komparasi dua alat Spektrofotometer dengan merk dan tahun pemakaian yang berbeda diperlukan untuk mengetahui unjuk kerja alat. Pengujian dilakukan pada penentuan kandungan fenolik total (TPC) metode Folin-Ciocalteu. Hasil analisa TPC dari spektrofotometer kemudian dikomparasi menggunakan uji paired t-test. Uji t- test merupakan membandingkan rata-rata hasil pengujian kedua tersebut. dika...

Daun sungkai (Peronema canescens Jack) memiliki aktivitas dan kandungan antioksidan yang kuat terkait dengan kadar fenol flavonoid, namun pada kulit batang penelitian masih terbatas. Kandungan flavonoid di dalam diharapkan dapat menjadi sumber alam pengembangan obat sintesis suplemen. Penelitian ini bertujuan untuk menganalisis metabolit sekunder menetapkan sungkai. Metode mengekstrak telah dir...

Lippia graveolens is one of the most important aromatic species in Mexico due to antioxidant and antibiotic activities reported its essential oil. The aim this work was assess effect irrigation with aquaculture wastewater salicylic acid addition on production phenolic compounds L. graveolens. plants (14) were irrigated using Steiner solution for 28 days; at same time, exogenously applied 0.0 (c...

In traditional medicine, Annnickia chlorantha (Annonaceae)is used in many parts of Africa to treat several pathologies. It is for the management stomach problems, treatment jaundice, tuberculosis, urinary tract infections, malaria, hepatitis and ulcers forms, gallstones or even diarrhea. The phytochemical analysis determination antiradical activity methanolic extract trunk bark from Annickia Ga...

Background: Thymus persicus is one of the Iranian endemic medicinal plants, that its decoction and various products have plenty of food and pharmaceutical uses. Objective: Evaluation of T. persicus products metabolite contains and determination of the best antioxidant, anti-diabetic and anti-Alzheimer extract. Methods: Samples total phenolic, flavonoid and tannin contents were determined by F...

Tea (Camellia sinensis L.) is amongst the most popular beverages around globe. contains polyphenols and flavonoids, which have huge health significance. Hence, flavonoids can be considered as good indicator for tea quality. In present investigation four different varieties i.e., Nilgiri, Darjeeling, Assam Munnar were analyzed their moisture content, water activity, total phenol content flavonoi...

Liposomes continue to attract great interest due their increased bioavailability in the body and because substances encapsulated are protected while maintaining effectiveness. The aim of this study is obtain “giant” liposomes by lipid film hydration using a preparation formula with two different phospholipids, phosphatidylcholine (PC) phosphatidylserine (PS). Firstly, macro- microscopic charact...

A study of the chemical composition essential oil obtained from aerial parts Salvia glutinosa L., growing in Georgia, was carried out. The percentage dominant components determined by integration, component are caryophyllene oxide (11.43 %), spathulenol (5.93 humulene (4.5 %). From terpene compounds oxygenated sesquiterpenes dominants. content phenolic  using Folin-Ciocalteu reagent aqueou...

Penelitian bertujuan untuk mengukur kemampuan antioksidan dan kadar senyawa fenolik flavonoid pada ekstrak etanol etil asetat buah pinang (Pinanga ceasia Blume) yang diambil dari daerah Sulawesi Tengah. Buah dipisahkan bagian kulit, biji, daging buah. Sampel diekstraksi secara maserasi menggunakan dua jenis pelarut yaitu asetat. Parameter uji diukur spektrofotometri reagen spesifik. Reagen digu...

The growing interest in the potential biological activity of polyphenols and flavonoids has highlighted necessity to assess their content fresh dried pepper from Ivory Coast. total polyphenol was determined using Folin-Ciocalteu test flavonoid also measured spectrophotometrically aluminum chloride colorimetric test. results obtained indicate levels peppers are higher samples collected Danane (0...