The Bodek romaine was infested, etc
yet it was approved by Zichron Shmuel, Feingold group, Wagshall, etc
The Bodek romaine was infested, etc
yet it was approved by Zichron Shmuel, Feingold group, Wagshall, etc
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XANTHAN GUM & PESACH
A Halachic Synopsis for Consumers &
Food Manufacturers
What Is Xanthan Gum?
Xanthan gum is a polysaccharide produced through industrial
fermentation. The bacterium Xanthomonas campestris is grown in large
fermentation tanks where it feeds on a sugar (carbon) source, producing xanthan
gum as a metabolic byproduct. The gum is then precipitated from the broth using
alcohol, separated, dried, and milled into powder.
Critical point: Every Pesach and year-round kosher
concern flows directly from what the bacteria consumed and what processing
agents were used. The final powder may look innocent, but its halachic status
is entirely determined by invisible upstream ingredients.
The sugar that feeds the fermentation determines the
foundational Pesach status of the product. This varies dramatically by country
of production:
By Region of Production
|
Region |
Typical Carbon Source |
Pesach Status |
|
United States |
Corn glucose |
Kitniyos (Ashkenazim) |
|
South America |
Cane sugar |
Preferred — neither chometz nor
kitniyos |
|
Europe |
Wheat glucose |
CHOMETZ — forbidden for all |
|
China |
Corn, wheat, or mixed |
Uncertain — must verify per lot |
The European Problem
European producers routinely use wheat-derived glucose as the
fermentation substrate because it is economical and readily available. This
makes European xanthan gum actual chometz — not merely kitniyos —
forbidden for all Jews on Pesach under every halachic opinion, and subject to
the full biblical prohibition of bal yiracheh u'bal yimatze.
The global marketplace compounds this: a product
manufactured in the United States may contain xanthan gum sourced from a
European or Chinese supplier. The ingredient label will simply say
"xanthan gum" with no indication of origin or substrate.
This is perhaps the most overlooked dimension of the
problem. Even at a facility whose year-round production uses wheat-glucose
substrate and then transitions to a dedicated Pesach run, the equipment itself
presents a severe halachic obstacle.
The fermenters, piping, heat exchangers, centrifuges, and
dryers that operate year-round on chometz-based fermentation broth absorb
chometz ta'am (flavor/character) deep into their walls through:
•
Prolonged hot contact —
fermentation runs 48–100 hours at 28–32°C
•
Aqueous, acidic medium — optimal
conditions for bliyah (absorption)
•
Repeated production cycles —
absorption accumulates over time
Why 'Eino Ben Yomo' Does Not Help
The normal leniency that equipment unused for 24 hours (eino
ben yomo) renders absorbed taste pagum (degraded) and less problematic does
not apply to chometz on Pesach. Chometz is unique in halacha: even a
degraded, pagum ta'am of chometz absorbed in a vessel prohibits that vessel and
its contents on Pesach. Simply stopping production the day before Pesach is
halachically meaningless.
Full kashering of industrial fermenters — enormous stainless
steel vessels — requires hagalah (purging by boiling water) reaching every
interior surface. This is an enormous undertaking requiring a complete
operational shutdown under mashgiach supervision, and in many facilities it is
practically impossible.
One of the most economically significant steps in xanthan gum
production is solvent recovery. After the gum is precipitated, the
alcohol-water mixture is collected and redistilled, recovering approximately
85–95% of the alcohol for reuse in the next production cycle.
At a facility running chometz-based year-round production,
this recycled alcohol is chometz-contaminated: it has been in full,
prolonged contact with the chometz fermentation broth and the chometz-grown gum
curd. It cannot be used for Pesach production.
Furthermore, the distillation columns used to recover the
alcohol are themselves chometz-absorbed. Even bringing in virgin new alcohol
and running it through unkashered recovery columns would contaminate it. The
entire solvent recovery infrastructure must either be kashered or bypassed
entirely for a legitimate Pesach run.
Bypassing solvent recovery means the full cost of new,
virgin, kosher l'Pesach certified alcohol is borne for that production run,
with no offset — dramatically increasing the cost of Pesach production and
explaining why genuine kosher l'Pesach xanthan gum is rare and expensive.
Beyond the carbon source, the fermentation medium requires a
nitrogen source — protein-based nutrients that feed bacterial growth. The
nitrogen source used at a given facility is rarely disclosed on product labels,
yet it introduces its own layered concerns:
•
Yeast extract — most common;
kosher certification required; brewer's yeast raises additional questions
•
Soy peptone / soy flour —
plant-based but requires certification
•
Ammonium salts — inorganic,
generally not a concern
•
Casein peptone — derived from milk
protein; renders xanthan gum dairy (chalav), not pareve — a year-round concern
for any meat or pareve application
•
Animal peptone / meat extract —
derived from animal tissue; a non-kosher concern year-round without
certification
•
Malt extract — CHOMETZ GAMUR
year-round and on Pesach; derived from germinated barley
The Malt Extract Problem
Malt extract is produced by germinating barley in water — it
is categorically chometz, not merely kitniyos. A facility could be using cane
sugar as the carbon source — the preferred Pesach substrate — yet
simultaneously using malt extract as the nitrogen source. The resulting xanthan
gum would be chometz regardless. A plain kosher symbol does not address
which nitrogen source was used.
The alcohol used to precipitate xanthan gum from the
fermentation broth carries its own kosher concerns:
•
Isopropyl alcohol (IPA) —
synthetic, petroleum-derived; generally, not a kosher concern
•
Ethanol from grain (wheat, barley,
rye) — CHOMETZ; if grain-derived ethanol is used in precipitation, it contacts
the gum directly
•
Ethanol from grapes — non-kosher
(yayin nesech) concern
•
Ethanol from sugar cane or beet —
preferred; no chometz or kitniyos concern
In Europe, where grain ethanol is abundant and inexpensive,
this is an active concern even for the precipitation step independently of the
carbon source.
|
Certification |
What It Guarantees |
What It Does NOT Guarantee |
|
Plain OU / OK / Star-K |
Year-round kosher compliance |
Pesach suitability; substrate
identity; nitrogen source |
|
OU 'Chometz-Free' |
No wheat/rye/oats/barley/spelt
in inputs |
Free of kitniyos; suitable for
Ashkenazim on Pesach |
|
Kosher L'Pesach (OU-P) |
Dedicated Pesach run under full
supervision |
The gold standard for Pesach use |
For a genuine Kosher L'Pesach certification, a
facility must demonstrate:
•
Non-chometz, non-kitniyos carbon
source (typically beet or cane sucrose)
•
Fully certified nitrogen source —
no malt, no animal-derived, no chometz components
•
Full kashering of all fermenters,
piping, dryers, and milling equipment
•
New, virgin, kosher l'Pesach
precipitation alcohol — no recycled stock
•
Kashered or bypassed solvent
recovery system
•
Continuous mashgiach supervision
throughout the entire production run
•
Separate, dedicated Pesach-labeled
packaging
Do not assume. A kosher symbol on xanthan gum — even
from a major agency — does not confirm Pesach suitability, particularly for
products sourced from Europe or China. For any product containing xanthan gum
that is intended for Pesach use:
•
Verify the specific substrate used
(carbon source) for that production lot
•
Verify the nitrogen source and
confirm it is free of malt, animal-derived peptones, and chometz
•
Confirm the precipitation alcohol
is not grain-derived
•
Require a specific Kosher L'Pesach
certification letter for the lot in question, not merely a year-round kosher
certificate
•
Contact the certifying agency
directly — not just the manufacturer — for clarification
For halachic guidance on specific
products or production facilities, consult your posek and the certifying
agency's Pesach documentation.OU Pesach Guide • cRc Pesach List • Star-K Pesach Database •
Hisachdus
Harabonim Di’Lakewood-PESACH 5786/ by y. Shain-RECOMMENDED LIST- Must say
kosher for Passover on each item. OU
PESACH guide, available at Shain’s, 1140 forest Ave, corner Carey St.
In general, OU-P” grocery items with no heimish
hashgocha on package is a preferred Pesach product, as OU Mashgichim are better
trained.
ALL SOUR DOUGH STARTER MAY NOT BE SOLD FOR PESACH,
IT must be burned - See Arugas Haboisem #112, among others. After Pesach One can order on-line,
Sour-dough Starter- (100+-year-old) from King Arthur flour co. A Goyish owned
co. w/ OU. https://shop.kingarthurbaking.com/items/classic-fresh-sourdough-starter
ALUMINUM
FOIL-
All year Hashgocha-Any
Baby
formula- MATERNA from Israel (all w/ separate keilim) -J&J, Ross, Similac
LeMehadrin 1,2,3, Sunrise
Baking
powder-, Bakers Choice, Gefen, Any
OU-P -Borsht- Gefen-,Any
OU-P
Cake
Cookies- Oberlander, Reismans Schick, Elegant, Gelbstein’s, Chantilly,
Bake master - not w/real raspberry jam.
Canned
vegetables- Any OU-P, , Gefen -CANDIES-
B’datz Yerushalem, Nirbartter, Volover, Any OU-P
CHEESE,
CREAM, BUTTER- J &; J, Mehadrin, Haolam, Norman’s, Givat,
Tenuva w/ Aida
Chocolates,
etc. Chocolate chips-, Bakers Choice, Carmit, Kedasia Any OU-P- OU Parve.
COCOA
Powder- Hersheys OU not special dark, cocoa mix- –Any OU-P
COFFEE
INSTANT- Nescafe house blend W/P, Tasters choice regular, Geffen, any
OU-P. Folgers, regular, no-P required.
COFFEE
WHITENER- Eden- Any OU-P CONFECTIONARY SUGAR- , Gefen, any OU-P
CRANBERRY
JUICE COCKTAIL & sauce-, Gefen, Kedem-Any OU-P
CROCK POT
LINERS- Geula, Fantastic, Reynolds-Any OU-P
FISH- King of
the Sea, Melech Yam, Dagim, Meal Mart, Fishy Neiman, Freund’s-must have “P”.
FLAVOR
EXTRACT- Bakers Choice, Gefen - FRENCH
FRIES- Eden-Any OU-P
FROZEN
VEGETABLES- Broccoli, Spinach,-
Positive / kosher garden, Be’leave Eidah, Blossom only w/ CRC Hisachdus
Dried fruit-w/OU P,
yumzee, manishtana, joseph Xavier, setton, no raisins or figs even W/
Hashgocha, use Craisins-OU P.
Frozen strawberries, only peeled Kosher Garden, High
Breeze farms, no others even w/ hashgocha
FRUIT
CANNED-, Gefen, Any OU-P
Garlic fresh must be peeled &;
rinsed-Frozen- Gefen, Any OU-P, must be rinsed well.
GRAPE JUICE- , Gefen,
Kedem, Schwartz, Hadar, Laufer.
GROCERY
ITEMS- , Masbia, Hadar, Meal Mart, Gefen, Any OU-P -Gold’s
products all ONLY with OU-P-
HONEY- , Broad,
Gefen, - Any OU-P Horse Radish-
Flaum, Tuv Taam, Any OU-P
Hotel for Pesach- ?????NONE! only
Openheimer’s
ICE CREAM- Mehadrin, J&J, Kleins, not with real fruit-strawberries,
blueberries or raspberries
JUICE - Golden
Flow, , New Square, Lakewood farms, Nature’s own (if made in Bayonne, NJ) Kedem
All Orange
Juice- MUST BE FILTERED w/ 150 mesh PRIOR TO USE-including
Dvash, golden flow, new square, Lakewood farms, etc.
KETCHUP- , Gefen,
- Any OU-P
KOSHER
GARDEN- POSTIVE, or Blossom with Hisachdus- PRE-CHECKED VEGIES
& Herbs, spinach, romaine, broccoli, etc.
KUGELS- Meal Mart
/ parve, W/OU-P
LEBEN,
YOGURT- Mehadrin, J&J, Norman’s. Givat strawberry &; blueberry
is from liquid-NO GEVINA BRAND
Lemon juice- Real
lemon &; Lime OU no P required -LIQUOR-Slivovitz,
Tam Pree, Carmel, All OU-P
MATZOS-HAND, East
Kenedy Lakewood/Bobov-prefered, Yad Binyomin, komemious-hand matzah only,
beit shemesh w/ skver, Yahlom w/ Kedasia,
Pupa-Tzeleim. MACHINE MATZOS- Beit Shemesh only w/ she’aris Hashgocha.
MACAROONS-
Oberlanders, Gefen & OU=-P
MARGARINE-Eden,
J&J, Mehadrin, Mothers, Haolam, Marshmallows- Gefen, Golden Fluff -MAYONAISE- , Gefen, Any OU-P
MEAT- Fishels,
Solomons, Birdsboro (available at Bingo), Alle. N. American only,
Teva-Rav Miller, Continental (Canada), Food-ex, Evergreen only Solomons. NO- Tevya's, no Agri Star, Aarons, KJ/KY beef, No
SBD, Meyuchad, no S. American Alle/Meal Mart.
Bais Yosef Beef- BirdsBoro “BY” (at
Bingo), fishels
& Solomon's BY- not any SBD, nor Meyuchad, nor KJ beef, nor Alle MealMart
MILK-Golden
Flow, Pride of the farm (all milked before pesach), Bethel, Wayside Goal milk
products.
NUTS-Baker’s
choice, No Klein’s, Any OU-P, Costco w/ OU-P, Kirkland almonds,
walnuts, plain ou. all unshelled nuts-no BTH, Nuts Galore, pecans-OU-P raw no
preservatives.
OIL-Cotton-seed,
Roberts, Pereg, Manischewitz, , Masbia, Hadar, Gefen, Nut-Ola-Any OU-P
OIL-HAZELNUT
/ WALNUT- Taamon w/ aidah, Gefen, lieber- check dates-over a year may be
rancid
OLIVE
OIL-GEFEN Pesach-(made a production with hashgocha from pressing through
bottling) Aida Oil-Grapeseed-Laufers,
or OU-P, Avocado- OU-P Note: OU on olive oil is not acceptable for
Pesach. PARCHMENT PAPER-Geula, Any OU-P or star-k p
POULTRY- Pella,
Mesorah, Skver, Kiryas Joel, David Elliot. No Meal Mart, nor Empire, nor
Aarons/Agri , no blu-pak @ Bingo
PICKLES- Flaum,
Tuv Taam- Any OU-P
Positive/Kosher
Garden or Blossom only with CRC/ Hisachdus- pre-checked vegies &;
herbs, spinach, romaine, broccoli, etc.
POTATO
CHIPS, STICKS- Blooms NOT Bloomy’s, Schwartz, Liebers, Golden
fluff - POTATO STARCH- , E&S,
Gefen, Any OU-P
POTATOES-INSTANT/MASHED- ,
dependable, Any OU-P -PRALINE PASTE-
Baker’s choice-Any OU-P
*Quinoa- for
sfardim w/ OU-P “very infested”-None for ashkenazim- Aida & R’ Shlomo
Miller says it’s Kitniyous
Raisins-blueberries-none due to infestation. *RICE-For
sfardim that use rice- LUNDBERGS -ROASTING BAGS- Geula, Reynolds
ROMAINE LETTUCE- positive, Kosher Garden or
Blossom only w/ CRC/ Hisachdus- All others require washing &expert
checking Romaine whole -none,
No Romaine Hearts from Andy Boy,
Costco, Heimish, Israeli even with hashgochas.
Spices-
Pereg, , Masbia, R&L, Hadar, Any OU-P
Sardines-Melech yam,
Dagim from morocco – Any OU- in water only-
Salmon- sides, w/skin Aldi’s, Fishing line- canned
“only- farmed”, fresh- frozen needs a pesach hashgocha
SUGAR-White
granulated USA W/ Pesach /Domino, Any OU-P - SALT non-iodized-W/ Pesach-all OU-P
SELTZER-UNFLAVORED-with
pesach hashgacha-Any OU-P -SELTZER
FLAVORED-Any OU-P, Vintage all flavors “P”
SOAP PADS- , Geulah,
Gefen, Rokeach, Any OU-P
SODA- American
dry, Be’er Mayim, Caffeine free Coca Cola, Classic Cola, Mayim Chaim, Mae
Tovim, Pepsi W Bdatz, Seagrams, Sprite W/ PESACH - Any OU-P- NOT DIET
Strawberries- Kosher
Garden Peeled-Frozen- NO other brands, Fresh, cut off top, peel the entire
berry.
Sushi- All Nori
sheets are infested w/ copepods. [Do not use any even during all year, use soy
or rice paper].
TEA INSTANT-,
Wisotzky, Nestea, LIPTON-Any OU-P -TEA
BAGS-Lipton, Pathmark, Shoprite, Wisotzky, Gefen-Any OU-P
TOMATO
PRODUCTS-, Gefen- any OU-P
TOOTHPASTE
Personal items- Zohar, Adwe, Orbitul, Any OU-P
TOPPING-Eden, -any
OU-P-VANILA SUGAR-, Bakers Choice, Gefen- any OU-P
Tuna- Shop-Rite
Any OU-P, Dagim, , King of the sea, Melech Yam, Season, Star-Kist OU-P
VEGETABLES
CANNED- , Gefen-Any OU-P -Vinegar
Balsamic- KEDEM NY Not Bartenura- VINEGAR-
, Kedem any OU-P Water- much available
w/ OU-P
Bottled
water- any OU, without minerals or flavors
WINE-Carmel,
Rav Rubin, NYS Kedem w/ Tzelem, Segbach, Eidah, Schwartz’s, Armon. Kedasia,
Skver, Rottenberg, Franfurter.
Lakewood area stores- Bingo Beef/poultry Dept carries only
BirdsBoro/Mesorah product. Alert: in the Bingo display cases, they have
other brands as well, including the Blu-Pak which is not recommended. The
Bingo confectionary re-packs, we are not comfortable with Hashgocha reliability
of the repackaging. Be careful also of possible infestation. Some of their meat has some hashgochas that
may be questionable. After much research, we do not rely for all year &
Pesach on the Hashgochas of Minchas Chinuch, Lakewood’s KCL, Tartikuv, Star-K,
SBD, Steinmetz, etc.
Re: Pesach Hotels- For the educated kosher consumer that is
concerned about kashrus standards and hotel atmosphere- we cannot recommend any
of the Pesach hotels. Oppenheimer’s hotel is under KAJ all year and Pesach and is
recommended.
*Sefardim- Gluten free cakes must be Bishul Yisroel
BY-Generally it is not-check with bakery if it is.
Shabbos Friendly appliances certified by Star-K are not
recommended. GE Refrigerator with OU Shabbos keeper is for Shabbos.
Alert: fruits and vegetables from Israel, Tithes and
Maaser, etc. must be taken, some may be Orlah. Not all sea-salt has a halachic
status of מבושל.
Agri, Aarons, Rubashkin’s does not even meet the
Kashrus standards of HEBREW NATIONAL. Alle/MealMart S. America and all SBD does
not meet the kashrus standards of the Israeli Rabanut. All SBD “BY” is a SKETCH!
Prepared by Y. Shain- kashrusy@aol.com 732-363-7979
If "Shalom" happened to be a typo for "Shlomo," you might be thinking of Shlomo Maimon (1753–1800). He was a brilliant Lithuanian Torah prodigy who abandoned traditional Judaism to join the Enlightenment (Haskalah) as a secular philosopher, becoming a notorious example of a great mind lost to heresy.
Does anyone know when Sholom K. became a Heretic, as a bochur, yungerman, Rosh yeshiva?
TAMAR EPSTEIN REMARRIed WITHOUT A GET!
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