Evidence map›Paper›PMID 26960416›Full record

Trial reportNutrition journal2016

Matured hop extract reduces body fat in healthy overweight humans: a randomized, double-blind, placebo-controlled parallel group study.

Yumie Morimoto-Kobayashi, Kazuaki Ohara, Hiroshi Ashigai, Tomoka Kanaya, Kumiko Koizumi, Fumitoshi Manabe, Yuji Kaneko, Yoshimasa Taniguchi, Mikio Katayama, Yasuyuki Kowatari and 1 more

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Nutrition journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Trial
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Daily Intake of ParaprobioticMicroorganisms · 2020
    Article
  11. Review
  12. Iso-alpha acids from hops (Humulus lupulus) inhibit hepatic steatosis, inflammation, and fibrosis.Laboratory investigation; a journal of technical methods and pathology · 2018
    Article
  13. Article
  14. Article
  15. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Yumie Morimoto-KobayashiResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Yumie_Kobayashi@kirin.co.jp.
Kazuaki OharaResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Kazuaki_Ohara@kirin.co.jp.
Hiroshi AshigaiResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Hiroshi_Ashigai@kirin.co.jp.
Tomoka KanayaResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. t-hara@kirin.co.jp.
Kumiko KoizumiResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. k-shimamoto@kirin.co.jp.
Fumitoshi ManabeResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Fumitoshi_Manabe@kirin.co.jp.
Yuji KanekoResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Yuji_1_Kaneko@kirin.co.jp.
Yoshimasa TaniguchiCentral Laboratories for Key Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. Yoshimasa_Taniguchi@kirin.co.jp.
Mikio KatayamaResearch Laboratories for Health Science and Food Technologies, Kirin Company, Ltd, 1-13-5, Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan. katayamam@kirin.co.jp.
Yasuyuki KowatariUeno Clinic, Aiseikai Public Interest Incorporated Foundation, 2-18-6, Higashiueno, Taito-ku, Tokyo, 110-0015, Japan. kowatari@04.alumni.u-tokyo.ac.jp.
Sumio KondoFukushima Healthcare Center, Kensyokai Medical Corporation, 2-12-16, Tamakawa, Fukushima-ku, Osaka, 553-0004, Japan. ko283434@ares.eonet.ne.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHops are the main components of beer that provide flavor and bitterness. Iso-α-acids, the bitter components of beer, have been reported to reduce body fat in humans, but the bitterness induced by effective doses of iso-α-acids precludes their acceptance as a nutrient. The matured hop bitter acids (MHBA) of oxidized hops appear to have a more pleasant bitterness compared to the sharper bitterness of iso-α-acids. While there has been little information concerning the identity of the MHBA compounds and their physiological effects, MHBA was recently found to be primarily composed of oxides derived from α-acids, and structurally similar to iso-α-acids. Here, we investigated the effects of matured hop extract (MHE) containing MHBA on reducing abdominal body fat in healthy subjects with a body mass index (BMI) of 25 to below 30 kg/m(2), classified as "obese level 1" in Japan or as "overweight" by the WHO. TRIAL

designA randomized, double-blind, placebo-controlled parallel group study.

methodsTwo hundred subjects (male and female aged 20 to below 65 years with a BMI of 25 or more and less than 30 kg/m(2)) were randomly assigned to two groups. During a 12-week ingestion period, the subjects in each group ingested daily 350 mL of test-beverage, either containing MHE (with 35 mg MHBA), i.e. the namely active beverage, or a placebo beverage without MHE. The primary endpoint was reduction of the abdominal fat area as determined by CT scanning after continual ingestion of MHE for 12 weeks.

resultsCompared to the placebo group, a significant reduction was observed in the visceral fat area after 8 and 12 w, and in the total fat area after 12 w in the active group. There was also a concomitant decrease in body fat ratio in the active group compared to the placebo group. No adverse events related to the test beverages or clinically relevant abnormal changes in the circulatory, blood and urine parameters were observed in either group.

conclusionsThe present study suggests that continual ingestion of MHE safely reduces body fat, particularly the abdominal visceral fat of healthy overweight subjects.

trial registrationUMIN-CTR UMIN000014185.

Indexed as

Abdominal FatAdiposityAdultAgedAlanine TransaminaseAspartate AminotransferasesBeerBody Mass IndexBody WeightCholesterol, HDLCholesterol, LDLCyclohexenesDietary CarbohydratesDietary FatsDietary FiberDietary ProteinsAlanine TransaminaseAspartate AminotransferasesCholesterol, HDLCholesterol, LDLCyclohexenesDietary CarbohydratesDietary FatsDietary FiberDietary ProteinshumulonPlant ExtractsTerpenesTriglycerides

Identifiers

PMID26960416
PMCPMC4784395

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.